WO2018025917A1 - 折曲げ開封包装体及び折曲げ開封包装体の製造方法 - Google Patents
折曲げ開封包装体及び折曲げ開封包装体の製造方法 Download PDFInfo
- Publication number
- WO2018025917A1 WO2018025917A1 PCT/JP2017/028085 JP2017028085W WO2018025917A1 WO 2018025917 A1 WO2018025917 A1 WO 2018025917A1 JP 2017028085 W JP2017028085 W JP 2017028085W WO 2018025917 A1 WO2018025917 A1 WO 2018025917A1
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- WIPO (PCT)
- Prior art keywords
- sealing material
- folded
- flat member
- package
- sealing
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
- B65D75/52—Details
- B65D75/58—Opening or contents-removing devices added or incorporated during package manufacture
- B65D75/5827—Tear-lines provided in a wall portion
- B65D75/585—Tear-lines provided in a wall portion the tear-lines being broken by deformation or bending
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B47/00—Apparatus or devices for forming pockets or receptacles in or from sheets, blanks, or webs, comprising essentially a die into which the material is pressed or a folding die through which the material is moved
- B65B47/04—Apparatus or devices for forming pockets or receptacles in or from sheets, blanks, or webs, comprising essentially a die into which the material is pressed or a folding die through which the material is moved by application of mechanical pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
- B65B61/18—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for making package-opening or unpacking elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
- B65B9/02—Enclosing successive articles, or quantities of material between opposed webs
- B65B9/04—Enclosing successive articles, or quantities of material between opposed webs one or both webs being formed with pockets for the reception of the articles, or of the quantities of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
- B65D75/28—Articles or materials wholly enclosed in composite wrappers, i.e. wrappers formed by associating or interconnecting two or more sheets or blanks
- B65D75/30—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding
- B65D75/32—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding one or both sheets or blanks being recessed to accommodate contents
- B65D75/325—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding one or both sheets or blanks being recessed to accommodate contents one sheet being recessed, and the other being a flat not- rigid sheet, e.g. puncturable or peelable foil
- B65D75/327—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding one or both sheets or blanks being recessed to accommodate contents one sheet being recessed, and the other being a flat not- rigid sheet, e.g. puncturable or peelable foil and forming several compartments
- B65D75/328—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding one or both sheets or blanks being recessed to accommodate contents one sheet being recessed, and the other being a flat not- rigid sheet, e.g. puncturable or peelable foil and forming several compartments the compartments being interconnected, e.g. by small channels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
- B65D75/28—Articles or materials wholly enclosed in composite wrappers, i.e. wrappers formed by associating or interconnecting two or more sheets or blanks
- B65D75/30—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding
- B65D75/32—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding one or both sheets or blanks being recessed to accommodate contents
- B65D75/36—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding one or both sheets or blanks being recessed to accommodate contents one sheet or blank being recessed and the other formed of relatively stiff flat sheet material, e.g. blister packages, the recess or recesses being preformed
- B65D75/367—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding one or both sheets or blanks being recessed to accommodate contents one sheet or blank being recessed and the other formed of relatively stiff flat sheet material, e.g. blister packages, the recess or recesses being preformed and forming several compartments
- B65D75/368—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding one or both sheets or blanks being recessed to accommodate contents one sheet or blank being recessed and the other formed of relatively stiff flat sheet material, e.g. blister packages, the recess or recesses being preformed and forming several compartments the compartments being interconnected, e.g. by small channels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D83/00—Containers or packages with special means for dispensing contents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
- B65B9/02—Enclosing successive articles, or quantities of material between opposed webs
- B65B9/04—Enclosing successive articles, or quantities of material between opposed webs one or both webs being formed with pockets for the reception of the articles, or of the quantities of material
- B65B9/042—Enclosing successive articles, or quantities of material between opposed webs one or both webs being formed with pockets for the reception of the articles, or of the quantities of material for fluent material
Definitions
- the present invention relates to a folded unwrapped package for individually packaging contents such as liquid, paste, powder, granule, and tablet in foods, pharmaceuticals, cosmetics and the like, and a method for producing the folded unwrapped package.
- a package is one such package.
- the opening of the storage recess filled with contents is hermetically sealed with a cover material, and a protective tape is detachably attached so as to cover the half-cut formed on the upper surface of the cover material.
- a convex rib having a substantially rhombus shape in plan view intersects with the half cut and is formed at the center of the upper surface (front surface) of the lid member.
- the protective tape protrudes above the lid material by the thickness of the tape base material when the above-mentioned protective tape is attached to the surface of the lid material, for example, a large number of packages can be transported in a lump or transported.
- the adjacent packaging bodies are brought into contact with each other or rubbed together, the one packaging is attached to the edge of the protective tape attached to the lid of the other packaging body. The body may abut or rub against each other.
- the protective tape before picking up the edge of the protective tape with a finger and peeling it off from the top surface of the lid, the protective tape is easy to peel off and drown, and it is possible to maintain a state where it is stuck so as to cover the half cut Have difficulty.
- the half cut formed on the lid is easily exposed to the outside, and even if a part of the half cut is broken, the contents filled in the storage recess may be leaked to the outside.
- this invention provides the manufacturing method of the folding opening packaging body which can maintain the state which sealed the opening part with the sealing material until it bends below a predetermined bending angle, and a folding opening packaging body With the goal.
- At least a part of the package body that encloses the contents is formed of a flat member having a folded portion that can be folded in a double-folded state, and is broken and opened in accordance with the folding operation of the folded portion.
- the sealing material to be sealed is a folded and opened package that is pressure-bonded so as to cover the opened portion formed in the bent portion with respect to the surface of the flat member, and the peripheral portion of the sealing material is Crimped to the surface of the flat member, and is lower than the thickness of the sealing material protruding outward from the surface of the flat member, and outward from the surface of the flat member.
- the protrusion part lower than the height of the sealing material protruding toward the surface is formed on the surface of the flat member along the edge of the sealing material.
- the package body that encloses the contents is composed of a flat member having a folded portion that can be folded in a double-folded state, and breaks along with the folding operation of the folded portion.
- the sealing material to be opened is a method for manufacturing a folded and opened package that is pressure-bonded so as to cover the opened portion formed in the bent portion with respect to the surface of the flat member, and the opened portion is An opening portion attaching step for attaching a predetermined interval in the longitudinal direction of the flat member to the surface of the flat member formed in a band shape, and a size that covers the opening portion of the sealing member formed in a band shape And when pressing and separating into a shape with a sealing material pressing die, and pressing and separating the sealing material pressed and separated from the sealing member so as to cover the opening portion with respect to the surface of the flat member, The peripheral edge of the sealing material bites into the surface of the flat member In a state of being pressed with the sealing material pressing die, lower than the thickness of the
- the state where the unsealed portion is sealed can be reliably maintained until the folded unsealed package is folded to a predetermined folding angle or less.
- the edge of the sealing material crimped to the surface of the flat member in the folded open package is crimped to the surface of the flat member, for example, a large number of packages are bundled together.
- one of the adjacent packages is brought into contact with the surface of the flat member of the other package obliquely or rubbed together. Even if it does, etc., it is possible to prevent one package from coming into contact with or rubbing against the edge of the sealing material biting into the surface of the flat member. It is possible to prevent the material from peeling or drowning.
- the peripheral portion of the sealing material is bitten into the flat member because the crimped area of the bited portion is increased.
- the stopper can be firmly pressed against the flat member.
- the edge portion of the peripheral portion of the sealing material described above includes an entire circumference of the peripheral portion of the sealing material and a pair of edge portions facing the longitudinal direction or the short direction of the sealing material.
- the flat member include amorphous polyethylene terephthalate (A-PET), polypropylene (PP), biaxially stretched polyester (OPET), biodegradable plastic (PLA), polycarbonate (PC), polyethylene (PE), polystyrene (PS). ), Or a single sheet or a composite sheet such as PETG, cardboard, or metal sheet.
- a film member formed of a single material such as biaxially stretched polyester (OPET), biaxially stretched polypropylene (OPP), polyethylene (PE), cellulose propionate (CP), or metal (aluminum), or a composite material. It may be configured. In addition, you may change the material and thickness of a flat member according to the kind of content, or the internal shape of a package body, for example.
- OPET biaxially stretched polyester
- OPP biaxially stretched polypropylene
- PE polyethylene
- CP cellulose propionate
- metal aluminum
- the above-described opening portion is constituted by, for example, a cut or slit, or a structure disclosed in Japanese Patent No. 5802769, Japanese Patent No. 5858413, Japanese Translation of PCT International Publication No. 2010-504888, and Japanese Patent Application Laid-Open No. 59-103866. May be.
- the above-described sealing material may be formed of a thin foil body such as an aluminum foil, a stainless steel foil, a copper foil, an iron foil, or a resin film.
- a thin foil body such as an aluminum foil, a stainless steel foil, a copper foil, an iron foil, or a resin film.
- the foil body when an aluminum foil having a thickness of 5 to 35 ⁇ m is used as a sealing material, a folded and opened package having good moisture permeability, gas permeability and folding and unsealing properties can be obtained.
- the gas permeability refers to a gas barrier property that suppresses permeation of oxygen, moisture, corrosive gas, and the like.
- other materials with good moisture permeability and gas permeability that replace aluminum foil include, for example, films made of polyvinylidene chloride, composite materials combined with other synthetic resins, films with good gas permeability deposited on aluminum, etc. You may comprise with the material according to the characteristic and physical property of a thing, and the thing of a material with weak tearing strength is desirable.
- the protruding portion is lower than the thickness of the sealing material protruding outward from the surface of the flat member and lower than the height of the sealing material protruding outward from the surface of the flat member. However, since it is formed on the surface of the flat member along the edge of the sealing material, the unsealed portion remains sealed until the folded unsealed package is folded to a predetermined folding angle or less. be able to.
- one of the adjacent packages when one of the adjacent packages is in contact with the surface of the flat member of the other package obliquely, or is rubbed together, it is crimped to the surface of the flat member. Even if it tries to move onto the sealing material that covers the opened part, it is in contact with the protruding part that protrudes from the surface of the flat member, thus preventing direct contact with the edge of the sealing material. it can.
- One packaging body moves over the projecting portion projected on the surface of the flat member of the other packaging body and moves onto the sealing material, so that the edge of the sealing material covering the unsealed portion crimped to the surface of the flat member It is possible to prevent contact or rubbing against the portion.
- fingertips, nails, etc. of the hand are not easily caught on the edge of the sealing material covering the opening part that is crimped to the surface of the flat member of the package, and the seal is carried over the protrusion part protruding on the surface of the flat member. Since it moves smoothly onto the stop material, it is possible to prevent the sealing material covering the unsealed portion from peeling or dripping, and a good touch feeling can be obtained.
- the edge of the sealing material is crimped to the surface of the flat member in the thickness direction, and the protruding portion that protrudes outward from the surface of the flat member is used as the edge of the sealing material. Since it forms along, it can prevent more reliably that it is caught in the edge of the sealing material which covers an opening part.
- the protruding portion lower than the thickness of the sealing material protruding outward from the surface of the flat member is pressure-bonded in a state of being bitten into the surface of the flat member. You may form over the perimeter along the peripheral part of a sealing material.
- the state in which the unsealed portion is sealed can be reliably maintained until the folded unsealed package is folded to a predetermined folding angle or less. Specifically, for example, even if one of the adjacent packages is brought into contact with the protruding portion protruding on the surface of the flat member of the other package from any direction, it is crimped to the surface of the flat member. Direct contact with the edge of the sealing material covering the opened portion can be reliably prevented.
- fingertips, nails, and the like of the hand are not easily caught from any direction with respect to the edge of the sealing material covering the opening portion that is pressure-bonded to the surface of the flat member of the package, and protruded from the surface of the flat member. Since it moves over the protruding portion and smoothly moves onto the sealing material, a better touch feeling can be obtained.
- the said protrusion part in the shape which becomes high gradually toward the peripheral part of the said sealing material from the peripheral part of the said flat member as an aspect of this invention. According to this invention, the state in which the unsealed portion is sealed can be more reliably maintained until the folded unsealed package is folded to a predetermined folding angle or less.
- the package moves upward along the outer surface of the protrusion. Therefore, the resistance when riding on the protruding portion is small, and the protruding portion can be overcome and smoothly moved onto the sealing material.
- fingertips, nails and the like of the hand can easily ride on the protruding portion protruding from the surface of the flat member, and move smoothly over the protruding portion over the protruding portion, so that a good touch feeling can be obtained.
- the height of the protruding portion that protrudes outward from the surface of the flat member may be about 50% or more based on the thickness of the sealing material. Good. According to this invention, the state in which the unsealed portion is sealed can be more reliably maintained until the folded unsealed package is folded to a predetermined folding angle or less.
- one of the packaging bodies adjacent to each other during transportation or transportation is Either the contact with the surface of the flat member of the package body obliquely, or when rubbed, contact the edge of the sealing material crimped to the flat member of the other package body, Or it is easy to be rubbed.
- fingertips or nails of a hand are easily caught on the edge of the sealing material, and the sealing material covering the opening may be peeled off or drowned.
- the height of the protruding portion is, for example, about 50% or more based on the thickness of the sealing material
- one package is inclined with respect to the surface of the flat member of the other package.
- it covers the unsealed portion that is crimped to the surface of the flat member in order to move over the protruding portion that protrudes from the flat member of the other package onto the sealing material. It is possible to prevent contact with or rubbing against the edge of the sealing material.
- fingertips, nails, etc. of the hand are not easily caught on the edge of the sealing material covering the opening part that is crimped to the surface of the flat member of the package, and the seal is carried over the protrusion part protruding on the surface of the flat member. Since it moves smoothly onto the stopper, it is possible to prevent the sealing material covering the opening from being peeled off or drowned.
- the height of the protruding portion may be formed to be about 30% or more based on the thickness of the sealing material.
- a large number of minute concave portions and convex portions may be provided on the surface of the sealing material.
- the concave and convex portions described above may be configured by a number of protrusions formed in a substantially quadrangular pyramid shape, a substantially conical shape, or a substantially hemispherical shape, for example.
- the state where the unsealed portion is sealed can be reliably maintained until the folded unsealed package is folded to a predetermined folding angle or less.
- the thickness of the sealing material provided with the minute concave and convex portions can be reduced as compared with the thickness of the sealing material provided with no concave and convex portions.
- the rupture resistance when breaking and opening the sealing material is small, and the portion where the thickness of the sealing material is thin is broken along with the folding operation of the folded and unsealed package.
- the material can be more easily broken and opened.
- At least a pair of opposing edge portions of the peripheral edge portion of the sealing material may be pressure-bonded in a state of being bitten in the thickness direction with respect to the surface of the flat member. According to this invention, the state in which the unsealed portion is sealed can be more reliably maintained until the folded unsealed package is folded to a predetermined folding angle or less.
- the entire periphery of the peripheral edge of the sealing material may be pressure-bonded in a state of being bitten in the thickness direction with respect to the surface of the flat member. According to this invention, the state in which the unsealed portion is sealed can be more reliably maintained until the folded unsealed package is folded to a predetermined folding angle or less.
- the edges of the sealing material covering the unsealed portion that is crimped to the surface of the flat member It is possible to more reliably prevent direct contact.
- a part of the peripheral edge portion of the sealing material, or the entire periphery of the peripheral edge portion of the sealing material is arranged at the center of the sealing material with respect to the surface of the flat member. You may press-fit so that a bite may become deep gradually toward a peripheral part from a part.
- the state in which the unsealed portion is sealed can be more reliably maintained until the folded unsealed package is folded to a predetermined folding angle or less. Specifically, for example, one of the adjacent packages is brought into contact with the surface of the flat member of the other package, or is pressed against the surface of the flat member even when rubbed together. Direct contact with the edge of the sealing material covering the opening can be more reliably prevented.
- the sealing material superimposed on the flat member so as to cover the unsealed portion is added to the sealing member pressing die in the thickness direction with respect to the surface of the flat member.
- the above-described sealing material pressurizing unit may be constituted by, for example, a flat pressurizing unit having a substantially flat cross section, a trapezoidal pressurizing unit having a substantially trapezoidal cross section, a hemispherical pressurizing unit having a substantially hemispherical cross section, or the like.
- the sealing of the opening portion by the sealing material is not released, and the content enclosed in the package body is externally released. It is possible to reliably prevent leakage. Specifically, the sealing material superimposed on the flat member so as to cover the opening portion is pressed in the thickness direction against the surface of the flat member by the sealing material pressurizing portion of the sealing material press-cut type.
- the thickness of the sealing material pressurized by the sealing material pressurization part can be made thinner.
- the breaking resistance when breaking and opening the sealing material is small, and the sealing material covering the opening part of the flat member can be easily and reliably broken and opened along with the folding operation of the folded opening package. Can do.
- the sealing material is not attached to the flat member, but is pressed by the sealing material pressurizing portion. Can be securely crimped to cover the opening.
- the sealing material pressurizing portion may be provided with a concave and convex portion provided with a large number of minute concave portions and convex portions on the surface of the sealing material. According to this invention, the state in which the unsealed portion is sealed can be more reliably maintained until the folded unsealed package is folded to a predetermined folding angle or less.
- the sealing material superimposed so as to cover the opening portion with respect to the flat member is pressed in the thickness direction against the surface of the flat member by the concave and convex portion of the sealing material pressurizing portion, and the minute concave portion and A large number of convex portions are attached to the surface of the sealing material.
- the thickness of the sealing material in which the recessed part and the convex part were attached can be made thinner.
- the rupture resistance when the sealant is broken and opened is smaller, and the thin part of the sealant is broken along with the folding operation of the folded open package.
- the stopper can be broken and opened more easily.
- the pressure-bonding between the sealing material and the flat member is more effective when the sealing material is deformed into a concavo-convex shape and pressure-bonded to the flat member, as compared with the case where the sealing material is pressure-bonded to the surface of the flat member. Since the area becomes larger, the sealing material can be more firmly pressed against the surface of the flat member.
- the pressure-bonding state of the sealing material is substantially uniform, and the entire sealing material is reliably attached to the surface of the flat member. It can be visually confirmed that it is pressure-bonded.
- the part corresponding to the opening part of the flat member in a sealing material can be fractured
- the thickness of the part corresponding to the opening part of the flat member in a sealing material can be made thinner.
- the portion of the sealing material corresponding to the opening portion of the flat member can be reliably broken and opened, and the portions other than the opening portion of the sealing material can be reliably prevented from being broken and opened.
- a pressing portion for pressing and separating the sealing member in a size and shape covering the opening portion is provided at a pressure side peripheral portion of the sealing material pressing portion, and the pressing portion May be formed in a shape in which at least a pair of opposed edge portions of the peripheral portion of the sealing material is bitten in the thickness direction with respect to the surface of the flat member.
- the pair of edge portions opposed to each other at least among the peripheral portions of the sealing material described above are, for example, the entire circumference of the pressurizing side peripheral portion of the sealing material pressurizing portion and the longitudinal direction or the short direction of the sealing material pressurizing portion And a pair of edges facing each other.
- the edge part of a sealing material can be made to bite into the surface of a flat member reliably. Specifically, when the sealing member overlapped so as to cover the opening portion with respect to the flat member is cut and separated into a size and shape that covers the opening portion of the flat member by the pressing portion of the sealing material pressurizing portion. Further, at least a pair of opposed edges of the peripheral edge of the sealing material separated from the sealing member from the sealing member are caused to bite into the surface of the flat member by the pressing portion in the thickness direction. Of the peripheral edge of the stopper, at least a portion along a pair of opposing edges is deformed in a direction protruding outward from the surface of the flat member.
- one of the adjacent packages when one of the adjacent packages is in contact with the surface of the flat member of the other package at an angle, or is rubbed together, it is crimped to the surface of the flat member. Even when trying to move onto the sealing material that covers the portion, it is brought into contact with the protruding portion protruding from the surface of the flat member, so that it can be prevented from coming into direct contact with the edge of the sealing material.
- One packaging body moves over the projecting portion projected on the surface of the flat member of the other packaging body and moves onto the sealing material, so that the edge of the sealing material covering the unsealed portion crimped to the surface of the flat member It is possible to surely prevent contact with or rubbing against the part, and it is possible to reliably prevent the sealing material covering the opening part from peeling off or dripping.
- the front end of the pressing part protrudes in a direction in which the edge of the sealing material bites into the surface of the flat member, and the biting depth of the edge of the sealing material
- the sealing material may be formed at a predetermined biting angle that gradually becomes deeper from the central portion toward the outer peripheral portion. According to this invention, the edge part of a sealing material can be made to bite more reliably with respect to the surface of a flat member.
- the edge or peripheral edge of the sealing material is crimped to the surface of the flat member so that the biting is deeper from the center portion of the sealing material toward the outer peripheral portion, and the surface of the flat member is Crimp to the depth of immersion.
- one of the adjacent packages is brought into contact with or rubbed against the edge or peripheral edge of the sealing material covering the unsealed portion crimped to the surface of the flat member. This can more reliably prevent the sealing material from peeling off or dripping.
- the package body that encloses the contents is formed of a flat member having a folded portion that can be folded in a double-folded state, and is broken and opened in accordance with the folding operation of the folded portion.
- the encapsulating material is a folded unsealed package that is pressure-bonded so as to cover the unsealed portion formed in the folded portion with respect to the surface of the flat member, At least a pair of opposing edges are crimped to the surface of the flat member in a state of being bitten in the thickness direction of the flat member, and outward from the edge of the sealing material bited into the flat member.
- the protrusion part which protrudes toward the surface is formed in the surface of the said flat member along the edge of the said sealing material.
- the sealing material to be opened is a method for manufacturing a folded and opened package that is pressure-bonded so as to cover the opened portion formed in the bent portion with respect to the surface of the flat member, and the opened portion is An opening portion attaching step for attaching a predetermined interval in the longitudinal direction of the flat member to the surface of the flat member formed in a band shape, and a size that covers the opening portion of the sealing member formed in a band shape And when pressing and separating into a shape with a sealing material pressing die, and pressing and separating the sealing material pressed and separated from the sealing member so as to cover the opening portion with respect to the surface of the flat member,
- the peripheral edge of the sealing material in the thickness direction with respect to the surface of the flat member The surface of the flat member along the edge of the sealing material is protrude
- the unsealed portion is sealed with the sealing material until the folded unsealed package is folded to a predetermined folding angle or less.
- packages folded and unsealed packages
- one package among adjacent packages is the other package.
- the protruding portion that protrudes from the surface of the flat member acts as a breakwater. Direct contact with the edge of the stopper can be prevented.
- the edge portion of the peripheral portion of the sealing material described above includes an entire circumference of the peripheral portion of the sealing material and a pair of edge portions facing the longitudinal direction or the short direction of the sealing material.
- the flat member include amorphous polyethylene terephthalate (A-PET), styrene (S), polycarbonate (PC), polypropylene (PP), biaxially stretched polyester (OPET), biodegradable plastic (PLA), and polycarbonate (PC ), Polyethylene (PE), polystyrene (PS), or a single sheet such as PETG, cardboard, or metal sheet, or a composite sheet bonded with a film.
- the thickness of the flat member is 0.1 mm to 5 mm. A degree of thermoplastic material is desirable.
- a film formed of a single material such as biaxially stretched polyester (OPET), biaxially stretched polypropylene (OPP), polyethylene (PE), cellulose propionate (CP), or metal (aluminum), or a composite material. May be.
- OPET biaxially stretched polyester
- OPP biaxially stretched polypropylene
- PE polyethylene
- CP cellulose propionate
- metal aluminum
- the above-described opening portion may be configured by, for example, a cut formed in a linear shape, a wave shape, an arc shape, a double mountain shape, a trapezoidal shape, an M shape, a V shape, a U shape, or the like. Or you may comprise by the structure etc. which are disclosed by patent 5802769 gazette, patent 5858413 gazette, Japanese translations of PCT publication No. 2010-504888, and Unexamined-Japanese-Patent No. 59-103866. In addition, you may select arbitrarily the magnitude
- the above-mentioned sealing material may be constituted by a thin foil body such as aluminum foil, stainless steel foil, copper foil, iron foil, resin film, etc., and the thickness of the sealing material is preferably about 5 to 50 ⁇ m.
- a thin foil body such as aluminum foil, stainless steel foil, copper foil, iron foil, resin film, etc.
- the thickness of the sealing material is preferably about 5 to 50 ⁇ m.
- the foil body for example, when an aluminum foil is used as a sealing material, a folded and opened package having good moisture permeability, gas permeability, and folding and unsealing properties can be obtained.
- the gas permeability refers to a gas barrier property that suppresses permeation of oxygen, moisture, corrosive gas, and the like.
- other materials with good moisture permeability and gas permeability that replace aluminum foil include, for example, films made of polyvinylidene chloride, composite materials combined with other synthetic resins, films with good gas permeability deposited on aluminum, etc. You may comprise with the material according to the characteristic and physical property of a thing, and the thing of a material with weak tearing strength is desirable.
- the height of the protruding portion of the flat member may be 0.5 times or more based on the thickness of the sealing material.
- the above 0.5 times or more is a concept including, for example, 1 time or more.
- the sealing of the unsealed portion is released before the folded unwrapped package is folded to a predetermined folding angle or less.
- the other package Is brought into contact with the protrusion of the flat member in the other package.
- the protrusion part of a flat member plays the role of a breakwater, it can prevent reliably that one package is contact
- the width of the protruding portion of the flat member may be formed to be 1 or more times based on the thickness of the sealing material. According to this invention, it is possible to more reliably prevent the opening portion from being unsealed before the folded opened package is bent to a predetermined folding angle or less.
- the protruding portion of the flat member in the other package is difficult to be chipped or deformed. Therefore, it is possible to prevent one of the packages from coming into direct contact with the edge of the sealing material.
- the sealing of the opening portion by the sealing material is not released, and the state where the opening portion is sealed with the sealing material is more reliably maintained. be able to.
- the rigidity of the portion of the flat member corresponding to the protrusion is further improved, sufficient strength can be obtained to withstand the pressure applied to the flat member from the surface side, and the sealing portion is sealed with the sealing material. It can prevent more reliably that a stop is cancelled
- the protruding portion of the flat member may be formed higher than the surface of the sealing material pressure-bonded to the flat member. According to this invention, it is possible to more reliably prevent the opening portion from being unsealed before the folded opened package is bent to a predetermined folding angle or less.
- the other package when one of the adjacent packages is in contact with the surface of the flat member of the other package at an angle, or is rubbed, the other package.
- the body is brought into contact with the protruding portion of the flat member formed higher than the surface of the sealing material in the other package.
- the protruding portion of the flat member serves as a breakwater, so that one of the packaging bodies is in direct contact with the edge of the sealing material, or the surface of the sealing material covering the opening is scratched. It is possible to more reliably prevent sticking, peeling of the sealing material from the edge, and dripping. As a result, until the folded and opened package is bent to a predetermined folding angle or less, the sealing of the opening portion by the sealing material is not released, and the state where the opening portion is sealed with the sealing material is more reliably maintained. be able to.
- a protrusion projecting outward from the surface of the sealing material is formed on the flat member with respect to a portion on the inner side of the edge portion of the sealing material. You may form along the said protrusion part.
- the opening portion is unsealed before the folded opened package is bent to a predetermined folding angle or less.
- one of the packaging bodies has a protruding portion of a flat member and a protruding portion of a sealing material in the other packaging body. Even if contact with one of the protrusions is avoided, the contact with the other protrusion is prevented, so that one package is prevented from directly contacting the edge of the sealing material. it can.
- the two projecting parts serve as a breakwater, so that one of the packaging bodies is in direct contact with the edge of the sealing material, or the sealing material covering the opening is peeled off from the edge. Or drowning more reliably.
- the sealing material is broken and opened with the folding operation of the folded opening package, the sealing of the opening part by the sealing material is not released, and the opening part is sealed with the sealing material Can be more reliably kept.
- the rigidity of the portion corresponding to the two protrusions in the flat member is further improved, sufficient strength can be obtained to withstand the pressure applied from the surface side to the flat member, and the opening portion by the sealing material It can prevent more reliably that sealing of this is cancelled
- the protruding portion of the flat member serves as a breakwater, so that one of the packaging bodies is in direct contact with the edge of the sealing material, or the surface of the sealing material covering the opening is scratched. It is possible to more reliably prevent sticking, peeling of the sealing material from the edge, and dripping.
- the edge portion of the sealing material by causing the edge portion of the sealing material to bite in the thickness direction with respect to the surface of the flat member, the portion along the edge portion of the sealing material in the flat member bites into the flat member in the sealing material. It protrudes outward from the edge.
- the protruding portion for preventing the surface of the sealing material covering the opening from being scratched, peeling off the sealing material from the edge, or dripping is provided along the edge of the sealing material. And can be formed on the surface of the flat member.
- the protruding portion of the flat member may be formed so as to cover an edge portion of the sealing material that has been bitten into the flat member. According to this invention, it is possible to more reliably prevent the opening portion from being unsealed before the folded opened package is bent to a predetermined folding angle or less.
- edge portion that has digged into the flat member in the sealing material is covered with the protruding portion of the flat member, for example, adjacent packaging bodies may be in contact with each other or rubbed together, One package can be prevented from coming into direct contact with the edge of the flat member in the sealing member in the thickness direction.
- the sealing material pressing die may be constituted by a pressing roller that rotates in a direction in which the flat member and the sealing member are transferred in the feeding direction. According to the present invention, a large number of folded opened packages can be manufactured continuously.
- the pressing roll is rotated in the direction in which the flat member and the sealing member are transported in the feeding direction, and the sealing member formed in a band shape is opened in the bent portion of the flat member.
- the sealing material pressed and separated from the sealing member is pressed and separated so as to cover the opening portion with respect to the surface of the flat member, the peripheral portion of the sealing material Is pressed into the flat member in the thickness direction, and the protruding portion protruding outward from the edge of the sealing material biting into the flat member is formed along the edge of the sealing material. It is formed on the surface of the flat member.
- a folded unsealed packaging body and a method for producing a folded unsealed packaging body that can keep the unsealed portion sealed with a sealing material until it is folded to a predetermined folding angle or less. be able to.
- FIG. Explanatory drawing of the opening structure of a folding opening packaging body.
- Explanatory drawing of the manufacturing method which manufactures a folding opening packaging body Sectional drawing of a press-cut crimping apparatus. The expanded sectional view of a sealing material pressing die. Sectional drawing of the press-cutting crimping
- FIG. 1 Sectional drawing of the press-fit crimping
- FIG. 1 Explanatory drawing of the sealing material pressing die which crimps
- FIG. The expanded sectional view of the sheet base material by which the sealing material of Example 8 was crimped
- compression-bonding apparatus which crimped
- seat base material which crimped
- FIG. 1 is an explanatory view of a folded and opened package 10A according to the first embodiment.
- FIG. 1A is a perspective view of the folded and opened package 10A viewed from obliquely above, and FIG. It is the top view which looked at 10A of bending opening packaging bodies from the surface side.
- FIG. 2 is an explanatory view of the opening structure of the folded and opened package 10A. Specifically, FIG. 2 (a) is a cross-sectional view of the folded and opened package 10A divided at the center in the short direction W, FIG. b) is an a1 portion enlarged cross-sectional view shown in FIG.
- FIG. 3 is an explanatory view of the folding operation of the folded and opened packaging body 10A.
- FIG. 3 (a) is a side view showing a state in which the folded and opened packaging body 10A starts to be folded
- FIG. It is a side view of the state which folded the folding opening packaging body 10A in half.
- FIG. 4 is a partially enlarged cross-sectional view when the contents C is taken out from the folded open package 10A.
- the longitudinal direction L in the following description is a direction that coincides with the longitudinal direction of the folded open package 10A having a substantially rectangular shape in plan view
- the short direction W width direction is This is a direction orthogonal to the longitudinal direction L in the planar direction.
- the folded and opened packaging body 10A of the first embodiment is a small packaging body in which the amount of contents C necessary for one use is enclosed (filled), and the packaging body 11 in which the contents C are enclosed.
- the main body 12 is a synthetic resin film (specifically, trade name Diamilon F manufactured by Mitsubishi Plastics Co., Ltd.) in which a bag-like container 14 in which a predetermined amount of contents C are enclosed is formed to a thickness of 150 ⁇ m. ) (See FIGS. 1 and 2)
- the lid portion 13 includes a substantially flat synthetic resin sheet member 20 disposed on the side corresponding to the inside of the package body 11 (the lower side in FIG. 2A), and the package body 11 in the sheet member 20. It is comprised with the sealing material 40 made from the aluminum foil crimped
- the sheet member 20 is formed in a size and shape that covers the opening of the main body portion 12, and the back surface side peripheral portion of the sheet member 20 is thermally welded to the opening side peripheral portion of the main body portion 12, thereby The opening is closed by the lid 13 (see FIG. 2A).
- the sheet member 20 is formed by bonding an amorphous polyethylene terephthalate (A-PET) sheet base 20a formed to a thickness of 0.3 mm and a polyethylene (PE) film sealing material 20b formed to a thickness of 0.03 mm. (See FIG. 2B).
- A-PET amorphous polyethylene terephthalate
- PE polyethylene
- the film sealing material 20b is stuck so as to cover both the front and back surfaces of the sheet base 20a (or at least one surface of the front and back surfaces).
- OPET biaxially-stretched polyester
- a bent portion 21 that can be folded in a folded state with respect to the longitudinal direction L is formed in the short direction W perpendicular to the longitudinal direction L of the sheet member 20. (See FIGS. 1 and 2).
- An unsealed region 22 indicated by a two-dot chain line in FIG. 1 is set at the center of the bent portion 21 in the short direction W.
- a slit-shaped cut 23 that can penetrate in the thickness direction T is formed on the surface of the central portion in the opening region 22 of the sheet member 20 in accordance with the bending operation of the sheet member 20 (see FIGS. 1 and 2).
- the incision 23 intersects the longitudinal direction L of the sheet member 20 and is formed in the lateral direction W, and the surface of the sheet member 20 is viewed from the thickness direction T toward the one end side in the longitudinal direction L of the sheet member 20. It is formed in an arc shape protruding in an arc shape.
- the width Wi of the cut 23 is formed to be equal to or smaller than the width of the sheet member 20 in the transverse direction W (preferably about 70% or less) (see FIG. 1B).
- the sealing material 40 is composed of an aluminum foil having a thickness of 0.02 mm and a heat-sealable acrylic copolymer coated on both the front and back surfaces of the aluminum foil (see FIG. 2B).
- the sealing material 40 is slightly smaller than the opening region 22 of the bent portion 21 and is formed in a size and shape that covers the cut 23 in the opening region 22.
- the breaking strength of the sealing material 40 is set to a strength that is broken when the bent portion 21 of the sheet member 20 is bent at a predetermined bending angle ⁇ 1 or less (see FIGS. 3 and 4).
- An adhesive layer 40a made of an adhesive such as a hot melt agent is coated (or applied) substantially uniformly on the back surface side of the sealing material 40 that is pressure-bonded to the surface of the sheet member 20 (FIG. 2B). )reference). That is, the sealing material 40 is pressure-bonded so as to cover the notch 23 of the unsealed region 22 against the surface in the unsealed region 22 that becomes the mountain side when the folded portion 21 of the sheet member 20 is folded in two. (See FIGS. 1 to 3).
- a large number of concave portions 41 and convex portions 42 are provided on the surface on the inner side of the peripheral edge portion 40b of the sealing material 40, and are arranged so as to be substantially uniform with respect to the entire surface (see FIG. 2B). ). The entire circumference of the peripheral edge portion 40b is bitten by a predetermined depth D1 toward the inside of the thickness direction T with respect to the surface of the sheet member 20.
- the biting depth D1 of the peripheral edge 40b is set to about 0.1 mm.
- the height difference D2 between the concave portion 41 and the convex portion 42 is set to a difference included in a range of about 0.1 times to about 10 times with respect to the thickness E1 of the sealing material 40, but preferably 5 (Refer to the enlarged view of a2 shown in FIG. 2A).
- the above-described folded unwrapped package 10 ⁇ / b> A has the entire periphery of the peripheral portion 40 b of the sealing material 40 covering the cuts 23 of the sheet member 20 constituting the lid portion 13 directed inward in the thickness direction T with respect to the surface of the sheet member 20. Therefore, the crimped area of the bited portion can be increased.
- the peripheral edge portion 40b of the sealing material 40 can be more firmly crimped to the sheet member 20, and the sealing can be performed even if the part of the sheet member 20 to which the sealing material 40 is crimped is touched with a fingertip. A fingertip is not caught by the peripheral part 40b of the material 40, and a favorable touch feeling is obtained.
- the folding member adjacent to the peripheral edge 40b of the sealing member 40 that has been bitten into the sheet member 20 is used. While being able to prevent a part of bending opening packaging body 10A from contacting or abutting reliably, it can prevent reliably that the sealing material 40 peels or drowns.
- the thickness of the portion provided with the concave portion 41 and the convex portion 42 in the sealing material 40 is thin, and the portion where the thickness of the sealing material 40 is thin continues along with the folding operation of the folded opening package 10A. Since it is ruptured, the rupture resistance when the sealing material 40 is ruptured and opened is small, and the sealing material 40 covering the notch 23 of the sheet member 20 can be easily and reliably ruptured and opened.
- the folded and opened package 10A is held in a state in which the lid 13 of the package body 11 faces downward, and then bend-folded in the folding direction G in a folded state.
- the notch 23 of the bent portion 21 is penetrated in the thickness direction T and is crimped to the opening region 22 of the bent portion 21.
- the sealed sealing material 40 is broken and opened (see FIG. 3A).
- the tongue piece portion 23a of the cut 23 protrudes obliquely downward on the lower side, and the content C is pushed out while contacting the tongue piece portion 23a.
- the content C enclosed in 14 is difficult to be pushed out at once, and the content C can be prevented from scattering around (see FIGS. 3B and 4).
- the sealing by the sealing material 40 is not released until the folded opening package 10A is bent to a predetermined folding angle ⁇ 1 or less, and the content C enclosed in the accommodating portion 14 leaks to the outside. This can be prevented, and the state sealed by the sealing material 40 can be reliably maintained.
- a folded unwrapped package 10A is manufactured using a manufacturing method for manufacturing the sheet base material 200 used for the sheet member 20 of the above-described folded open package body 10A and the sheet base material 200 to which the sealing material 40 is pressure-bonded. The manufacturing method will be described.
- FIG. 5 is an explanatory diagram of a manufacturing method for manufacturing the sheet base material 200 used for the sheet member 20 of the folded open package body 10A
- FIG. 6 is an explanatory diagram of a manufacturing method for manufacturing the folded open package body 10A.
- FIG. 7 is a cross-sectional view of the press-fitting crimping device 402
- FIG. 8 is an enlarged cross-sectional view of the sealing material push-off die 404
- FIG. 9 is a cross-sectional view of the press-fitting crimping device 402 in which the sealing base material 400 is cut and separated.
- 10 is a cross-sectional view of a press-bonding device 402 that press-bonds the sealing material 40 to the sheet substrate 200.
- FIG. 11 is an explanatory view of a sealing material pressing die 404 for press-bonding the sealing material 40 to the sheet base material 200.
- FIG. FIG. 11B is an enlarged cross-sectional view of the sheet base material 200 to which the sealing material 40 is pressure-bonded.
- the manufacturing method for manufacturing the sheet base material 200 to which the sealing material 40 has been pressure-bonded is formed in a band-shaped process step a in which a cut 23 is provided on the surface of the synthetic resin sheet base material 200 formed in a band shape.
- the aluminum foil sealing base material 400 is cut and separated into a size and shape that covers the notch 23 of the sheet base material 200, and the sealing material 40 that has been pressed and separated from the sealing base material 400 is cut into the sheet base material.
- 200 is a sealing material press-fit crimping step b for crimping the surface of 200 so as to cover the notch 23, and a base material collecting step c for collecting the waste base material 400a from which the sealing material 40 has been separated in a roll shape.
- the base material winding process d which winds the sheet
- the belt-shaped sheet base material 200 fed out from the sheet loading unit 201 is transferred to the cutting attachment device 202 while being conveyed in the feeding direction F at a constant speed.
- the notch attaching device 202 attaches the slit-like notch 23 to the central portion in the short direction W of the sheet base material 200 and attaches it at a predetermined interval in the longitudinal direction L of the sheet base material 200 (see FIG. 5). .
- the notch 23 is covered with the band-shaped sealing substrate 400 fed out from the sealing material loading unit 401 with respect to the center surface of the sheet substrate 200 in the lateral direction W.
- the sheet is transferred to the press-bonding device 402 while being conveyed in the feeding direction F at a constant speed in synchronization with the feeding speed of the sheet base material 200 (see FIG. 5).
- the sealing substrate 400 is formed to be narrower than the width of the sheet substrate 200 in the short-side direction W, and has a width that covers the cuts 23.
- the press-contact crimping device 402 includes a sheet receiving die 403 having a substantially trapezoidal cross section that supports the sheet base material 200 substantially horizontally, and a seal that presses and separates the sealing base material 400 into a size and shape that covers the cut 23.
- a material pressing die 404 is provided (see FIG. 7).
- the sheet receiving mold 403 is disposed below the position where the sealing substrate 400 superimposed on the sheet substrate 200 is pressed and separated.
- the sealing material pressing die 404 opposes the portion of the sheet base material 200 supported by the sheet receiving die 403 where the sealing base material 400 is overlapped, and is an upper part of the position where the sealing base material 400 is pressed and separated. (See FIG. 7).
- the sheet receiving mold 403 is formed in a mold shape that supports the portion of the sheet base material 200 on which the sealing base material 400 is superimposed substantially horizontally.
- the sealing material stamping die 404 is formed into a mold shape that stamps and separates the sealing substrate 400 superimposed on the sheet substrate 200 into a size and shape that covers the cut 23 (see FIG. 7).
- the sealing material pressing die 404 presses the sealing material 40 cut and separated from the sealing base material 400 against the center surface of the sheet base material 200 in the short direction W. And a pressing part 406 for pressing and separating the sealing base material 400 into a size and shape that covers the notch 23 of the sheet base material 200, and a heater 407 for heating the sealing material pressing die 404. (See FIG. 7).
- the entire sealing material pressing die 404 has a downward direction in the figure in which the sealing base material 400 is pressed against the sheet base material 200 by a moving means (not shown) and the pressing of the sealing base material 400 against the sheet base material 200. It can be moved up and down in the upward direction in the figure.
- the sealing substrate 400 is cut and separated into a size and shape that covers the cut 23, and the sealing material 40 that is cut and separated from the sealing substrate 400 is covered with the surface of the sheet substrate 200.
- it is reciprocated between the crimping position indicated by the solid line in FIG. 10 and the standby position indicated by the solid line in FIG.
- a concave and convex portion 408 for attaching a large number of concave portions 41 and convex portions 42 to the surface of the sealing material 40 is provided.
- the attachment surface of the uneven portion 408 is formed in an uneven shape corresponding to the concave portion 41 and the convex portion 42 attached to the sealing material 40 (see FIG. 8).
- the concave portion 41 and the convex portion 42 press the sealing material 40 cut and separated from the sealing base material 400 onto the surface of the sheet base material 200 by the sealing material pressing portion 405 of the sealing material pressing die 404. At this time, the sealing material 40 is attached substantially uniformly to the inner surface of the peripheral edge portion 40b (see FIGS. 11A and 11B).
- the pressing part 406 protrudes substantially perpendicularly with the pressing side peripheral part of the sealing material pressing part 405 facing downward, and the size and shape of the sealing base material 400 so that the notch 23 of the sheet base material 200 is covered. It is formed in the shape of a blade that is cut and separated.
- the cross-sectional shape of the press-cut portion 406 is formed in a substantially triangular cross section in which the inner slope and the outer vertical surface intersect.
- the biting angle ⁇ 2 of the tip is set to an angle included in the range of about 30 degrees to about 110 degrees.
- the height difference D2 of the uneven surface of the uneven portion 408 is set to a difference corresponding to the concave portion 41 and the convex portion 42 attached to the sealing material 40 (see FIG. 8).
- sealing base material 400 is conveyed in the feed direction F while being superimposed on the surface of the sheet base material 200 so that the cuts 23 are covered, and transferred to the sealing material press-fitting and crimping step b (see FIGS. 5 and 7).
- the sealing material stamping die 404 of the pressing and crimping device 402 is moved in the direction in which the sealing substrate 400 is pressed and separated, and the sealing material superimposed on the sheet substrate 200 is sealed.
- the stop base material 400 is cut and separated into a size and a shape so that the cut 23 is covered by the cut portion 406 (see FIG. 9).
- the sealing material 40 pressed and separated from the sealing base material 400 is pressure-bonded to the surface of the sheet base material 200 by the sealing material pressurizing unit 405 so that the notch 23 is covered. Crimping is applied to the surface of the substrate 200. Specifically, in a state heated to about 200 degrees by the heater 407, pressurization is performed for about 0.1 seconds at a pressure of about 500 kg per cm 2 (see FIG. 10). In addition, you may pressure-bond, without heating with the heater 407. FIG.
- the surface on the inner side of the peripheral edge portion 40b of the sealing material 40 is pressed vertically in the thickness direction T by the concave and convex portion 408 of the sealing material pressurizing portion 405, so that the concave portion 41 and the convex portion 42 are sealed.
- a large number are provided substantially uniformly on the inner surface of the peripheral edge 40b.
- the entire circumference of the peripheral portion 40b of the sealing material 40 is bitten by a predetermined depth D1 toward the inner side in the thickness direction T with respect to the surface of the sheet base material 200 by the pressing portion 406 of the sealing material pressing portion 405 ( (Refer FIG. 11 (a) (b)).
- seat member 20 of 10A of bending opening packaging bodies can be manufactured continuously.
- the waste base material 400a from which the sealing material 40 is separated is wound and recovered in a roll shape in the base material recovery step c, and the sheet base material 200 to which the sealing material 40 is pressure-bonded is recovered in the base material winding step d. It is wound into a roll (see FIG. 5).
- bonded is demonstrated.
- the film base 300 on which the bag-shaped accommodation portion 14 is formed and the sheet base 200 on which the sealing material 40 is pressure-bonded are directed vertically in the feed direction F.
- the dividing step i for separating the tubular package 414 into individual folded and opened packages 10A is performed in this order (see FIG. 6).
- the sheet loading unit 210 the sheet base material 200 to which the sealing material 40 is pressure-bonded is wound and loaded in a roll shape.
- the film loading unit 310 is loaded with the film base 300 before the housing unit 14 is formed in a roll shape.
- the film base 300 When the film base 300 is unwound from the film loading unit 310, the film base 300 is wound around the peripheral surface of the forming drum 311, and the film base 300 wound around the forming drum 311 is heated and softened by the heater 312. Then, the accommodating portion 14 is continuously formed in a bag shape with respect to the surface on the winding side of the film loading portion 310 (see FIG. 6).
- the part of the film base 300 that is fed out from the film loading unit 310 is opposite to the part on which the housing part 14 is formed, and the sealing material 40 of the sheet base 200 that is fed out from the sheet loading unit 210.
- the pressure-bonded portion and the opposite portion are overlapped with each other and transferred to the vertical sealing step f while being vertically fed in the feeding direction F by a pair of feed rolls 431 (see FIG. 6).
- the vertical sealing step f vertically seals both side edges on the outer side of the accommodating portion 14 between the base materials 200 and 300 while vertically feeding the base materials 200 and 300 to each other in the feed direction F by a pair of vertical seal rolls 441. Then, the cylindrical package 414 formed in a cylindrical shape is transferred to the horizontal sealing step g (see FIG. 6).
- the horizontal sealing step g while the cylindrical packaging body 414 is vertically fed in the feeding direction F by the pair of lateral sealing rolls 451, the overlapping portion on the lower side of the accommodating portion 14 and the upper overlapping portion on the cylindrical packaging body 414 are provided. And are transferred to the cutting step i.
- the filling step h the content C supplied from the filling pipe 421 of the filling device 421 is filled into the cylindrical package 414 formed in a cylindrical shape from above (see FIG. 6).
- the cutting step i cuts the longitudinal seal portion and the lateral seal portion of the tubular package 414 in the short direction W while longitudinally feeding the tubular package 414 in the feed direction F by the rotary blade 461 and the receiving roll 462,
- the cylindrical package 414 continuous in the longitudinal direction L is separated into individual folded-open packages 10A filled with a predetermined amount of contents C (see FIG. 6).
- the waste packaging body 417 of the cylindrical packaging body 414 from which the folded opening packaging body 10A is separated is wound and collected in a roll shape.
- the sheet base material 200 to which the sealing material 40 is pressure-bonded has a size and shape corresponding to the sheet member 20 of the lid portion 13 constituting the packaging body 11. Since it isolate
- the sealing material 40 overlapped with the surface of the sheet base material 200 before being separated into the sheet member 20 so as to cover the notch 23 is used as the sealing material pressing die 404.
- the pressure is applied in the thickness direction T to the surface of the sheet base material 200 by the sealing material pressurizing unit 405 and the concave and convex portion 408.
- the thickness of the whole sealing material 40 pressurized by the sealing material pressurizing portion 405 and the thickness of the portion where the concave portion 41 and the convex portion 42 are provided by the concave and convex portion 408 are made thinner. Can do. For this reason, the breaking resistance when the sealing material 40 is ruptured and opened with the folding operation of the folded opening packaging body 10A is smaller, and the sealing material 40 covering the cut 23 of the sheet member 20 can be more easily and reliably. It can be broken and opened.
- the sealing material 40 is more crimped to the sheet base material 200 by deforming the sealing material 40 into an uneven shape. Since the crimping area between the sheet base material 200 and the sheet base material 200 becomes larger, the sealing material 40 can be more firmly crimped to the surface of the sheet base material 200.
- the crimped state is substantially uniform, and the entire sealing material 40 is in contact with the surface of the sheet base material 200. It is possible to visually confirm that the crimping is reliably performed.
- the sealing material 40 is not bonded to the sheet base material 200 using, for example, an adhesive or a pressure-sensitive adhesive, but is bonded by the sealing material pressure unit 405. It is possible to more securely press the surface of the sheet substrate 200 so as to cover the cuts 23.
- FIG. 12 is an enlarged cross-sectional view of another crimping example of the second embodiment.
- the pressing portion 416 is formed in a shape that presses the peripheral edge portion 40b of the sealing material 40 substantially flatly.
- the sealing material pressurizing unit 405 When the sealing material 40 pressed and separated from the sealing base material 400 is pressure-bonded to the surface of the sheet base material 200 by the sealing material pressurizing unit 405, the concave portion 41 and the convex portion 42 are formed by the concave and convex portion 408.
- the peripheral edge portion 40 b of the sealing material 40 is pressure-bonded by the pressing part 416 so as to be substantially flush with the surface of the sheet base material 200.
- Example 1 the effects and effects added to Example 1 can be achieved.
- Example 3 In the above-described first embodiment, the pressing part 406 formed in a shape projecting downward has been described, but in the third embodiment, as illustrated in FIG. 13, it is formed in a shape projecting obliquely outward and downward.
- the press-cut portion 426 and the press-cut portion 436 formed in a shape protruding vertically downward will be described.
- FIG. 13 is an explanatory view of another crimping example of the third embodiment. Specifically, FIG. 13A is a portion in which the peripheral edge portion 40b of the sealing material 40 is bitten outward and obliquely downward with respect to the sheet base material 200. FIG. 13B is an enlarged cross-sectional view of a portion where the peripheral edge portion 40 b of the sealing material 40 is bitten at an acute angle with respect to the sheet base material 200.
- the angle ⁇ 3 of the tip of the push-cut portion 426 is set to be equal to that of the tip of the push-cut portion 406 of the first embodiment. It is formed at an acute angle from the angle ⁇ 2 (see the enlarged view of FIG. 13A).
- the pressing portion 426 deforms the peripheral portion 40b of the sealing material 40 into an acute angle crossing the thickness direction T and obliquely downward toward the outer side, the pressing portion 426 bites into the surface of the sheet base material 200 more acutely and deeply. Can do. Thereby, the peripheral edge part 40b of the sealing material 40 can be more firmly crimped
- the pressing part 436 in FIG. 13B is formed in a shape that protrudes vertically downward, and the angle ⁇ 4 of the tip part of the pressing part 436 is more obtuse than the angle ⁇ 2 of the tip part of the pressing part 406. (Refer to the enlarged view of FIG. 13B).
- the pressing part 436 bites the peripheral edge part 40b of the sealing material 40 into a substantially triangular cross section where a pair of inclined surfaces intersect the surface of the sheet base material 200, the crimping area of the bited part is further increased. be able to. Thereby, the peripheral edge part 40b of the sealing material 40 can be more firmly crimped
- Example 1 the effects and effects added to Example 1 can be achieved.
- Example 4 In the above-described first embodiment, the folded open package 10A in which the entire circumference of the peripheral portion 40b of the sealing material 40 has been described has been described. In the fourth embodiment, as illustrated in FIG. A folded unsealed package 10A in which the portion 40b is partially bitten will be described.
- FIG. 14 is an explanatory view of the folded and opened package 10A of the fourth embodiment. Specifically, FIG. 14A is a folded and opened state in which the short side edge 40b1 of the sealing material 40 is bitten into the sheet member 20.
- FIG. 14B is a plan view of the folded and opened package 10 ⁇ / b> A in which the long side edge 40 b 2 of the sealing material 40 is bitten into the sheet member 20.
- 10A of bending opening packaging bodies of Example 4 are the extended part of a pair of short side edge part 40b1 which opposes the transversal direction W among the peripheral parts 40b of the sealing material 40, and the short side edge part 40b1. Is cut into the surface of the sheet member 20 (see FIG. 14A).
- Example 1 the effects and effects added to Example 1 can be achieved.
- Example 5 In Example 1 described above, the example in which the sealing material 40 is used for the folded open package 10A that is broken and opened in accordance with the bending operation has been described, but in Example 5, as shown in FIG. Another example will be described in which the material 40 is used in a folded and opened package 10A that is peeled off and opened along with a bending operation.
- FIG. 15A and 15B are explanatory views of the folded and opened packaging body 10A according to the fifth embodiment. Specifically, FIG. 15A is a perspective view of the folded and opened packaging body 10A viewed obliquely from above, and FIG. It is the top view which looked at 10A of bending opening packaging bodies from the surface side.
- the sealing material 40 provided with a large number of concave portions 41 and convex portions 42 is pressure-bonded so as to cover the cuts 23 and 33 with respect to the surface in the opening region 22 set in the bent portion 21 between the members 20 and 30. ing.
- the notches 23 and 33 in the members 20 and 30 are peeled and opened, and the sealing material 40 is broken and opened.
- the cuts 23 and 33 of the members 20 and 30 are penetrated in the thickness direction T, and the contents C enclosed in the accommodating portion 14 can be taken out from the cuts 23 and 33.
- Example 1 the effects and effects added to Example 1 can be achieved.
- Example 6 In Example 1 described above, the folded and opened package 10A in which the sealing material 40 is bonded to the sheet member 20 has been described. However, in Example 6, as shown in FIGS. A folded unsealed package 10B in which the pressure-bonded sheet member 20B is bonded to one film member 30B will be described.
- FIG. 16 is an explanatory diagram of the folded and opened package 10B of Example 6. Specifically, FIG. 16 (a) is a perspective view of the folded and opened package 10B as viewed from obliquely above, and FIG. 16 (b) is a folded view. It is the top view which looked at bending opening packaging body 10B from the surface side.
- FIG. 17 is an explanatory diagram when the contents C are taken out from the folded and opened package 10B shown in FIG. 16, and in detail, FIG. 17 (a) shows a fold before folding that is divided at the center in the lateral direction W.
- FIG. 16B is a cross-sectional view of the bent-open package 10A, and FIG. 16B is a side view when the content A is taken out from the folded-open package 10B.
- the folded unwrapped package 10B of Example 6 is configured by bonding the package body 11 with the peripheral portions of two film members 30B formed in substantially the same size and shape.
- the opening 34 formed on the surface of one film member 30B and the notch 23 formed in the sheet member 20B are made to correspond to each other, and the sheet member 20B to which the sealing material 40 is pressure-bonded is attached to the film member 30B. ing.
- the contents C enclosed in the accommodating portion 14 are exposed to the outside through the notch 23 and the opening 34. It can be taken out. Thereby, the state sealed by the sealing material 40 can be more reliably maintained until the folded opening package 10 is bent and the sealing material 40 is broken and opened. As a result, the effects and effects added to Example 1 can be achieved.
- Example 7 In Example 7 described above, the folded and opened package 10B formed by bonding two film members 30B together has been described. In Example 7, as shown in FIG. A folded unsealed package 10C formed by folding in a folded state will be described.
- FIG. 18A and 18B are explanatory views of the folded and opened package 10C of Example 7. Specifically, FIG. 18A is a perspective view of the folded and opened package 10C as viewed from diagonally above, and FIG. 18B is a folded view. It is the top view which looked at 10 C of bending opening packaging bodies from the surface side.
- the folded and opened package 10C of Example 7 is not shown in which the film body 30C in which the package body 11 is formed to have a width substantially the same as that of the two film members 30B is set at the center in the short direction W.
- the edges of the three opposing sides are bonded together.
- the sheet member 20B, to which the sealing material 40 is pressure-bonded, is attached to the film member 30C in correspondence with the opening 34 formed on one surface of the film member 30C and the notch 23 formed in the sheet member 20B. .
- the sealing material 40 In order to break and open the sealing material 40 in accordance with the bending operation of the folding and opening package 10C of Example 7, the contents C enclosed in the accommodating portion 14 are exposed to the outside through the notch 23 and the opening 34. It can be taken out. Thereby, the sealing state by the sealing material 40 can be more reliably maintained until the folded and opened packaging body 10 ⁇ / b> C is bent and the sealing material 40 is broken and opened. As a result, the effects and effects added to Example 1 can be achieved.
- Example 8 In the above-described Examples 1 to 7, the folded open packaging bodies 10A to 10C in which the peripheral edge portion 40b of the sealing material 40 is crimped to the surface of the sheet member 20 in the thickness direction T have been described.
- FIG. 19 is an explanatory view of the folded and opened package 10D of Example 8. Specifically, FIG. 19 (a) is a perspective view of the folded and opened package 10D as viewed from obliquely above, and FIG. 19 (b) is a short view. It is sectional drawing of bending opening packaging body 10D parted by the center part of the hand direction W. FIG. 19
- FIG. 20 is a cross-sectional view of a press-bonding device 402 that press-bonds the sealing material 40 to the sheet base material 200
- FIG. 21 is an explanatory diagram of a sealing material pressing die 404 that press-bonds the sealing material 40 to the sheet base material 200
- FIG. 21A is an enlarged cross-sectional view of a sealing material pressurizing portion 405 in which the sealing material 40 is pressure-bonded to the sheet base material 200
- FIG. 21B is a sheet base in which the sealing material 40 is pressure-bonded
- 3 is an enlarged cross-sectional view of a material 200.
- the folding and unwrapping package 10D of Example 8 causes the entire circumference of the peripheral edge portion 40b of the sealing material 40 to bite a predetermined depth D1 in the thickness direction T with respect to the surface of the sheet member 20, and the sealing material
- the crimping is performed so that the bite gradually becomes deeper from the central part of 40 toward the outer peripheral part, and the crimping is performed to a depth that sinks downward from the surface of the sheet member 20 (part a2 shown in FIG. 19B is enlarged). (See figure).
- the projecting portion 24 having a substantially arc-shaped cross section lower than the thickness E1 of the sealing material 40 projecting outward from the surface of the sheet member 20 is formed with respect to the surface in the opening region 22 of the sheet member 20. While forming along the peripheral part 40b, it forms continuously over the perimeter of the sealing material 40 (refer the a2 part enlarged view shown to Fig.19 (a), (b)).
- the width Wk of the protrusion 24 is formed to be about 0.1 mm.
- the outer surface of the protrusion 24 is formed in a smooth curved surface shape that gradually increases from the peripheral edge of the sheet member 20 toward the peripheral edge of the sealing material 40 (see the enlarged view of the a2 portion shown in FIG. 19B). ).
- the sealing material pressing die 404 of the press-fitting crimping device 402 is lowered.
- the sealing material 40 is pressed and separated from the sealing substrate 400 (see FIG. 20).
- the entire circumference of the peripheral edge portion 40b of the sealing material 40 that has been press-separated from the sealing base material 400 is caused to bite into the surface of the sheet base material 200 in the thickness direction T by the press-cutting portion 406, and the sheet base material 200
- the portion along the peripheral edge portion 40b of the sealing material 40 is heated to about 150 ° C. while being pressurized, and is deformed in a direction protruding outward from the surface of the sheet base material 200 (see an enlarged view of FIG. 20). ).
- the projecting portion 24 having a substantially arc-shaped cross section lower than the thickness E ⁇ b> 1 of the sealing material 40 projecting outward from the surface of the sheet member 20 is bonded to the surface of the sheet base material 200. It forms continuously over the perimeter along the peripheral part 40b (refer FIG. 21 (a) (b)).
- the temperature when the sealing material 40 is heated by the sealing material pressing die 404 is set to about 150 ° C.
- the pressure when the sealing material 40 is pressure-bonded to the sheet base material 200 by the sealing material pressing die 404 is set to about 50 kg per 1 cm 2 (10 mm ⁇ 10 mm).
- the descending speed when the sealing material 40 is press-separated by the sealing material pressing die 404 and bonded to the sheet substrate 200 is set to about 10 m / s per second.
- the entire circumference of the peripheral edge portion 40b of the sealing material 40 covering the notch 23 of the sheet member 20 is in the thickness direction T with respect to the surface in the open region 22 of the sheet member 20. While crimping to a state where the predetermined depth D1 is bitten, the projecting portion 24 projecting outward from the surface of the sheet member 20 is arranged along the peripheral portion 40b of the sealing material 40 along the entire circumference of the peripheral portion 40b. (See FIG. 19).
- the sheet member 20 Since one folded unwrapped package 10D moves over the protruding portion 24 projected on the surface of the sheet member 20 of the other folded opened package 10D and moves smoothly onto the sealing material 40, the sheet member 20 It can prevent more reliably that it is contact
- the sealing material 40 covering the cuts 23 from being peeled off or drowned when the folded open packaging bodies 10D are brought into contact with each other or rubbed together.
- the sealing of the notch 23 by the sealing material 40 is not released until the folded opened package 10D is bent to a predetermined folding angle ⁇ 1 or less, and the folded opened package 10D is enclosed in the folded opened package 10D. It can prevent more reliably that the content C leaks outside.
- the fingertips and nails of the hand are not easily caught from any side with respect to the peripheral portion 40b of the sealing material 40 that is pressure-bonded to the surface of the sheet member 20.
- the sealing material 40 covering the notch 23 is more reliably prevented from peeling or dripping. In addition, a better feel can be obtained.
- the protrusion 24 is formed in a smooth curved surface shape that gradually increases from the peripheral edge of the sheet member 20 toward the peripheral edge of the sealing material 40, the resistance when riding on the protrusion 24 is small, The protrusion 24 can be moved over and smoothly moved onto the sealing material 40.
- the sealing of the notch 23 by the sealing material 40 is not released until the folded opening package 10D is bent to a predetermined folding angle ⁇ 1 or less. And there can be an effect.
- Example 9 In the above-described Examples 1 to 8, the example in which the protrusion 24 is formed along the peripheral edge 40b of the sealing material 40 has been described. In Example 9, as shown in FIG. The sheet base material 200 formed so as to cover the peripheral edge portion 40b of the material 40 will be described.
- FIG. 22 is an enlarged cross-sectional view of a sheet base material 200 in which the protruding portion 24 of Example 9 is pressure-bonded so as to cover the peripheral edge portion 40 b of the sealing material 40.
- the peripheral edge portion 40b of the sealing material 40 that covers the cut 23 that is pressure-bonded to the surface in the opening region 22 of the sheet base material 200 is provided along the peripheral edge portion 40b of the sealing material 40. It covers with the protrusion part 24 formed over the perimeter of the peripheral part 40b (refer FIG. 22).
- the sealing of the notch 23 by the sealing material 40 is not released until the folded and opened packaging body 10D is folded to a predetermined folding angle ⁇ 1 or less, and the contents C enclosed in the packaging body 11 are external. Therefore, it is possible to more reliably prevent the leakage and the effects and effects obtained in the first to eighth embodiments.
- Example 10 In Examples 1 to 9 described above, the example in which the concave portion 41 and the convex portion 42 are provided on the sealing material 40 has been described. However, in Example 10, the concave portion 41 and the convex portion 42 are provided as shown in FIG. First, the sealing material pressing die 404 that forms the sealing material 40 crimped to the surface of the sheet base material 200 substantially flat or in a substantially arc shape will be described.
- FIG. 23 is an enlarged cross-sectional view of a sealing material pressing die 404 that press-bonds the sealing material 40 of Example 10 to the sheet base material 200.
- FIG. FIG. 23B is an enlarged cross-sectional view of a sealing material pressing die 404 in which the pressing surface is formed in a substantially flat cross-sectional shape
- FIG. It is an expanded sectional view of the sealing material pressing die 404 formed in the shape.
- the sealing material pressing die 404 of Example 10 includes a sealing material pressing die 404 in which the sealing material pressing portion 405 shown in FIG. 23A is formed in a substantially flat cross-sectional shape, and FIG.
- the sealing material pressurizing portion 405 shown in FIG. 3 is configured with a sealing material pressing die 404 formed in a cross-sectional shape that is recessed in a substantially arc shape upward.
- the sealing material pressurizing unit 405 in FIG. 23B When the sealing material 40 pressed and separated from the sealing base material 400 is pressure-bonded to the surface of the sheet base material 200 so as to cover the notches 23, the sealing material pressurizing unit 405 in FIG. When the pressure is applied, the portion inside the peripheral portion 40d of the sealing material 40 is formed into a substantially flat cross-sectional shape. When crimping is performed by the sealing material pressurizing portion 405 in FIG. 23B, a portion inside the peripheral edge portion 40d of the sealing material 40 is formed in a cross-sectional shape that protrudes upward in a substantially arc shape.
- the protruding portion 24 is formed along the peripheral edge portion 40b of the sealing material 40.
- it is continuously formed over the entire circumference of the sealing material 40, it is possible to achieve the functions and effects added to the first to ninth embodiments.
- FIG. 25 is an explanatory diagram of the folded and opened package 10E of Example 11. Specifically, FIG. 25 (a) is a perspective view of the folded and opened package 10E as viewed from obliquely above, and FIG. It is a top view of the bending opening packaging body 10E shown to a).
- FIG. 26 is an explanatory view of the opening structure of the folded open package 10E. Specifically, FIG. 26 (a) is a cross-sectional view of the folded open package 10E divided at the center in the short direction W, FIG. b) is an a1 portion enlarged cross-sectional view shown in FIG.
- FIG. 27 is an explanatory view of the folding operation of the folded and opened packaging body 10E.
- FIG. 27 (a) is a side view showing a state in which the folded and opened packaging body 10E has begun to be folded
- FIG. It is a side view of the state which folded the folding opening packaging body 10E in two.
- FIG. 28 is a partially enlarged cross-sectional view when the content C is taken out from the folded open package 10E.
- the longitudinal direction L (length direction) in the following description is a direction that coincides with the longitudinal direction of the folded open package 10E having a substantially rectangular shape in plan view
- the short direction W (width direction) is This is a direction orthogonal to the longitudinal direction L in the planar direction.
- the folded and opened packaging body 10E of Example 11 is a small packaging body that encloses (fills) the amount C of contents C required for one use.
- the flexible main body 12 and the lid 13 that closes the opening of the main body 12 are formed (see FIGS. 25 and 26).
- the main body portion 12 is a synthetic resin film (specifically, trade name Diamilon F manufactured by Mitsubishi Plastics Co., Ltd.) in which a bag-like storage portion 14 for storing a predetermined amount of contents C is formed to a thickness of 150 ⁇ m. (See FIGS. 25 and 26)
- the lid portion 13 includes a substantially flat synthetic resin sheet member 20 disposed on the side corresponding to the inside of the package body 11 (the lower side in FIG. 26A), and the package body 11 in the sheet member 20. It is comprised by the sealing material 40 made from the aluminum foil crimped
- the sheet member 20 is formed in a size and shape that covers the opening of the main body portion 12, and the back surface side peripheral portion of the sheet member 20 is thermally welded to the opening side peripheral portion of the main body portion 12, thereby The opening is closed by the lid 13 (see FIG. 26A).
- the sheet member 20 is composed of a sheet base 20a made of amorphous polyethylene terephthalate (A-PET) having a thickness of 300 ⁇ m.
- a polyethylene (PE) film sealing material 20b is bonded to both the front and back surfaces of the sheet base 20a (see FIG. 26B).
- the film sealing material 20b is stuck so as to cover both the front and back surfaces of the sheet base 20a (or at least one surface of the front and back surfaces).
- OPET biaxially-stretched polyester
- a bent portion 21 that can be folded in a folded state with respect to the longitudinal direction L is formed in the short direction W perpendicular to the longitudinal direction L of the sheet member 20. (See FIGS. 25 and 26).
- An unsealed region 22 indicated by a two-dot chain line in FIG. 25 is set at the center of the bent portion 21 in the short direction W.
- a slit-like cut 23 penetrating in the thickness direction T of the sheet member 20 is formed on the surface of the central portion in the opening region 22 of the sheet member 20 (see FIGS. 25 and 26).
- the incision 23 intersects the longitudinal direction L of the sheet member 20 and is formed in the lateral direction W, and the surface of the sheet member 20 is viewed from the thickness direction T toward the one end side in the longitudinal direction L of the sheet member 20. It is formed in an arc shape protruding in an arc shape.
- the width Wi of the cut 23 is formed to be equal to or smaller than the width of the sheet member 20 in the lateral direction W (preferably about 70% or less) (see FIG. 25B).
- the sealing material 40 is made of an aluminum foil having a thickness of 20 ⁇ m, and is formed in a substantially oval shape in plan view with a length of 20 mm and a width of 10 mm.
- the back surface of the aluminum foil is coated with a heat-sealable acrylic copolymer (see FIG. 26B).
- the sealing material 40 is slightly smaller than the opening area 22 of the bent portion 21, and is opened relative to the surface in the opening area 22 that becomes the mountain side when the bent portion 21 of the sheet member 20 is folded in a folded state. It is formed in a size and shape that covers the notch 23 in the region 22.
- the breaking strength of the sealing material 40 is set to a strength that breaks when the bent portion 21 of the sheet member 20 is bent to a predetermined bending angle ⁇ 1 or less (see FIGS. 27 and 28).
- An adhesive layer 40a made of an adhesive such as a hot-melt agent is coated (or applied) approximately uniformly on the back side of the sealing material 40 that is pressure-bonded to the surface of the sheet member 20.
- a large number of concave portions 41 and convex portions 42 are provided on the surface on the inner side of the peripheral edge portion 40b of the sealing material 40 and are arranged so as to be substantially uniform with respect to the entire surface (see FIG. 26B). ).
- the peripheral edge portion 40 b of the sealing material 40 is pressed into the surface of the sheet member 2 so that the predetermined depth D ⁇ b> 1 is bitten in the thickness direction T so as to be immersed below the surface of the sheet member 2.
- the peripheral edge portion 40b is pressure-bonded so that the bite gradually becomes deeper from the central portion toward the outer peripheral portion of the sealing material 40 (see an enlarged view of portion a2 shown in FIG. 26A).
- the biting depth D1 of the peripheral edge portion 40b is formed to a depth of about 0.5 times or more the thickness E1 with reference to the thickness E1 of the sealing material 40. Specifically, it is set to about 0.1 mm.
- the height difference D2 between the concave portion 41 and the convex portion 42 is set to a difference included in a range of about 0.1 times to about 10 times with respect to the thickness E1 of the sealing material 40, but preferably 5 It is set within the range (refer to the enlarged view of part a2 shown in FIG. 26 (a)).
- the protrusion 24a is formed on the surface of the sheet member 20 along the peripheral edge 40b of the sealing material 40 and continuously formed over the entire periphery of the peripheral edge 40b.
- the width Wk of the protruding portion 24a is formed to be about 1 times or more the thickness E1 with reference to the thickness E1 of the sealing material 40.
- the outer surface of the protrusion 24a is formed in a smooth curved surface shape that gradually increases from the peripheral edge of the sheet member 20 toward the peripheral edge of the sealing material 40 (see the enlarged view of the a2 portion shown in FIG. 26A). ).
- the height E2 of the protrusion 24a is formed to be about 0.5 times or more the thickness E1 with reference to the thickness E1 of the sealing material 40.
- the protruding portion 24a of the sheet member 20 is formed so as to be higher than the surface of the sealing material 40 pressure-bonded to the sheet member 20, and protrudes with respect to the thickness 20 ⁇ of the sealing material 40.
- the height E2 of the portion 24a is formed to be approximately 60 ⁇ (see the enlarged view of the a2 portion shown in FIG. 26A).
- one of the folded unfolded packages 10E is adjacent to the other folded unwrapped package 10E.
- the package 10E may be brought into contact with the surface of the sheet member 20 obliquely or may be rubbed.
- the protruding portion 24a that protrudes from the surface of the sheet member 20 in the other folded open package 10E serves as a breakwater, one folded open package 10E is sealed in the other folded open package 10E. Direct contact with the peripheral edge 40b of the stopper 40 can be reliably prevented.
- the sealing of the notch 23 by the sealing material 40 is not released and the state sealed by the sealing material 40 can be maintained until the folded open package 10E is bent to a predetermined folding angle ⁇ 1 or less. Therefore, it is possible to reliably prevent the contents C sealed in the housing portion 14 of the main body 12 in the package body 11 from leaking to the outside.
- the width Wk of the protruding portion 24a is formed to be about one or more times larger than the thickness E1 of the sealing material 40, the folded open package 10E is formed on the protruding portion 24a of the sheet member 20. Even if it abuts, the protrusion 24a is not easily chipped or deformed, and the effect as a breakwater can be stably obtained.
- a method for taking out the contents C from the above-described folded open package 10E will be described. First, after the fingers of the hand are hung on both edges on the short side of the folded open package 1A, the folded open package 10E is held in a state where the lid 13 of the package body 11 is facing downward. Then, it starts to be folded in the folding direction G (see FIG. 27A).
- the sealing material 40 crimped to the opening region 22 of the bent portion 21 is broken and opened, and the bent portion 21 is cut. 23 is opened in the thickness direction T (see FIG. 27B).
- the tongue piece portion 23a of the cut 23 protrudes obliquely downward on the lower side, and the content C is pushed out while contacting the tongue piece portion 23a.
- the content C enclosed in 14 is not easily pushed out at once, and the content C can be prevented from scattering around (see FIG. 27B and FIG. 28).
- the sealing of the notch 23 by the sealing material 40 is not released until the folded open packaging body 10E is bent to a predetermined folding angle ⁇ 1 or less, and the state sealed by the sealing material 40 is more reliably achieved. Since it can maintain, it can prevent that the content C enclosed with the accommodating part 14 leaks outside.
- the folding opening packaging body 10E is manufactured. A manufacturing method will be described.
- FIG. 29 is an explanatory diagram of a manufacturing method for manufacturing the sheet base material 200 used for the sheet member 20 of the folded open package 10E
- FIG. 30 is an explanatory diagram of a manufacturing method for manufacturing the folded open package 10E.
- FIG. 31 is an enlarged side view of the press-cutting crimping device 402
- FIG. 32 is an enlarged cross-sectional view of the press-cutting roll 404.
- FIG. 33 is an explanatory diagram of a press roll 404 for pressing the sealing material 40 to the sheet base material 200.
- FIG. FIG. 33B is an enlarged cross-sectional view of the sheet base member 200 to which the sealing material 40 is pressure-bonded.
- the manufacturing method for manufacturing the sheet base material 200 to which the sealing material 40 has been pressure-bonded is formed in a band-shaped process step a in which a cut 23 is provided on the surface of the synthetic resin sheet base material 200 formed in a band shape.
- the aluminum foil sealing base material 400 is cut and separated into a size and shape that covers the notch 23 of the sheet base material 200, and the sealing material 40 that has been pressed and separated from the sealing base material 400 is cut into the sheet base material.
- a sealing material pressing and crimping step b for heat-pressing the surface of 200 so as to cover the notch 23, and a base material collecting step for collecting and recovering the waste base material 400a from which the sealing material 40 is separated in a roll shape.
- c and a base material winding step d for winding the sheet base material 200 to which the sealing material 40 is pressure-bonded into a roll shape in this order (see FIG. 29).
- the belt-shaped sheet base material 200 fed out from the sheet loading unit 201 is transferred to the cutting attachment device 202 while being conveyed in the feeding direction F at a constant speed.
- the notch attaching device 202 attaches the slit-like notch 23 to the central portion in the short direction W of the sheet base material 200 and attaches it at a predetermined interval in the longitudinal direction L of the sheet base material 200 (see FIG. 29). .
- the notch 23 is covered with the band-shaped sealing substrate 400 fed out from the sealing material loading unit 401 with respect to the center surface of the sheet substrate 200 in the lateral direction W.
- the sheet is transferred to the press-bonding device 402 while being conveyed in the feeding direction F at a constant speed in synchronization with the feeding speed of the sheet substrate 200 (see FIG. 29).
- the sealing substrate 400 is formed to be narrower than the width of the sheet substrate 200 in the short-side direction W, and has a width that covers the cuts 23.
- the press-cut crimping device 402 presses and separates the receiving roll 403 that receives the sheet base material 200 on which the cuts 23 are formed and the sealing material 40 from the sealing base material 400, and cuts the surface of the sheet base material 200. And a pressing roll 404 that heat-presses so as to cover 23 (see FIG. 31).
- the receiving roll 403 is disposed below the position where the sealing base material 400 superimposed on the sheet base material 200 is pressed and separated.
- the pressing roll 404 is disposed above the position where the sealing substrate 400 is pressed and separated, facing the portion of the sheet substrate 200 supported by the receiving roll 403 where the sealing substrate 400 is superimposed. Yes.
- the rolls 403 and 404 are rotated at a constant speed in the feed direction F in synchronization with the feed speed of the sheet base material 200 by a driving unit (not shown) (see FIG. 31).
- the press-cut roll 404 is provided with press-cut dies 4044 for pressing and separating the sealing base material 400 into a size and shape corresponding to the sealing material 40 with a predetermined interval in the circumferential direction of the press-cut roll 404. (See FIG. 31).
- the pressing die 4044 includes a sealing material pressurizing unit 405 that presses the sealing substrate 400 against the center surface of the sheet substrate 200 in the short direction W, and the sealing substrate 400 of the sheet substrate 200.
- a pressing part 406 for cutting and separating into a size and shape covering the cut 23 and a heater 407 for heating the pressing die 4044 are provided (see FIG. 31).
- the sealing material pressurizing part 405 is formed in a shape that protrudes in a substantially arc shape toward the radially outward direction, and the pressurizing side central part of the sealing material pressurizing part 405 is formed with respect to the surface of the sealing material 40.
- An uneven portion 408 for attaching a large number of concave portions 41 and convex portions 42 is provided.
- the attachment surface of the uneven portion 408 is formed in an uneven shape corresponding to the concave portion 41 and the convex portion 42 attached to the sealing material 40 (see FIG. 32).
- the pressing part 406 protrudes the pressing side peripheral part of the sealing material pressing part 405 substantially perpendicularly toward the radially outward direction of the pressing roll 404, and the sealing base material 400 is cut into the notch 23 of the sheet base material 200. It is formed in a blade shape that is cut and separated into a size and a shape to be covered.
- the cross-sectional shape of the press-cut portion 406 is formed in a substantially triangular cross section in which the inner slope and the outer vertical surface intersect.
- the biting angle ⁇ 2 at the tip of the press-cut portion 406 is set to 45 degrees out of angles included in the range of about 30 degrees to about 110 degrees.
- the height difference D2 of the uneven surface of the uneven portion 408 is set to a difference corresponding to the concave portion 41 and the convex portion 42 attached to the sealing material 40 (see FIG. 32).
- a vent hole for venting air remaining in the flat portion when the sealing material 40 is pressure-bonded to the sheet base material 200 at a portion where the sealing material pressurizing portion 405 and the pressing portion 406 intersect. 409 is formed.
- the vent hole 409 is formed to have a hole diameter within a range of about 0.1 mm to about 0.3 mm (see FIGS. 32 and 33).
- the vent hole 409 bleeds air remaining in the flat portion, so that a crack is generated in a portion of the sealing material 40 that is pressure-bonded to the notch 23. Can be prevented.
- the hole diameter of the vent hole 409 is increased, a hole mark may remain in the sealing material 40. Therefore, the hole diameter included in the above range is desirable.
- sealing base material 400 is conveyed in the feed direction F while being superimposed on the surface of the sheet base material 200 so that the cuts 23 are covered, and transferred to the sealing material press-bonding step b (see FIGS. 29 and 31).
- the sealing material 40 is pressure-bonded so that the notch 23 is covered with the surface of the sheet base material 200 by the sealing material pressure unit 405.
- the pressing die 4044 of the pressing roller 404 is pressurized for about 0.1 second at a pressure of about 10 kg per mm 2 in a state where the pressing die 4044 is heated to about 130 ° C. by the heater 407 (FIG. 31, FIG. 33).
- the entire periphery of the peripheral edge portion 40 b of the sealing material 40 is made to the surface of the sheet base material 200 by the pressing portion 406 of the pressing die 4044.
- a portion corresponding to the peripheral edge portion 40b of the sealing material 40 in the sheet base material 200 is heated and melted while being bitten by a predetermined depth D1 toward the inside in the thickness direction T (see FIG. 33A).
- the heated and melted portion of the sheet base material 200 is pressed from the press-cut portion 406 of the press die 4044 and flows outward from the press-cut portion 406, while being substantially outward from the surface of the sheet base material 200. It protrudes in a raised state in a semicircular shape (see an enlarged view of the b1 portion shown in FIG. 33 (a) and an enlarged view of the b2 portion shown in (b)).
- the smooth curved surface-shaped protruding portion 24a protruding outward from the surface of the sealing material 40 crimped to the sheet base material 200 is formed along the peripheral edge portion 40b of the sealing material 40. And can be formed continuously over the entire circumference of the peripheral edge portion 40b.
- the sealing material 40 When the sealing material 40 is pressure-bonded to the surface of the sheet base material 200, the surface inside the peripheral portion 40 b of the sealing material 40 is directed in the thickness direction T by the uneven portion 408 of the sealing material pressure unit 405. The pressure is applied, and a large number of concave portions 41 and convex portions 42 are provided substantially uniformly on the inner surface of the sealing member 40 from the peripheral edge portion 40b.
- the sheet base material 200 to which the sealing material 40 is pressure-bonded which is used for the sheet member 20 of the folded open package 10E (FIG. 33 (b) and b2 part enlarged view). reference).
- the waste base material 400a from which the sealing material 40 is separated is wound and recovered in a roll shape in the base material recovery step c, and the sheet base material 200 to which the sealing material 40 is pressure-bonded is recovered in the base material winding step d. It is wound into a roll (see FIG. 29).
- bonded is demonstrated.
- the film base 300 on which the bag-shaped accommodation portion 14 is formed and the sheet base 200 on which the sealing material 40 is pressure-bonded are directed vertically in the feed direction F.
- the dividing step i for separating the tubular package 414 into the individual folded and opened packages 10E is performed in this order (see FIG. 30).
- the sheet loading unit 210 the sheet base material 200 to which the sealing material 40 is pressure-bonded is wound and loaded in a roll shape.
- the film base 300 before the container 14 is formed is wound into a roll and loaded into the film loading unit 310 (see FIG. 30).
- the film base 300 When the film base 300 is unwound from the film loading unit 310, the film base 300 is wound around the peripheral surface of the forming drum 311, and the film base 300 wound around the forming drum 311 is heated and softened by the heater 312. Then, the accommodating portion 14 is continuously formed in a bag shape with respect to the surface on the winding side of the film loading portion 310 (see FIG. 30).
- the part of the film base 300 that is fed out from the film loading unit 310 is opposite to the part on which the housing part 14 is formed, and the sealing material 40 of the sheet base 200 that is fed out from the sheet loading unit 210.
- the crimped portion and the opposite portion are overlapped with each other and transferred to the vertical sealing step f while being vertically fed in the feeding direction F by a pair of feed rolls 431 (see FIG. 30).
- the vertical sealing step f vertically seals both side edges on the outer side of the accommodating portion 14 between the base materials 200 and 300 while vertically feeding the base materials 200 and 300 to each other in the feed direction F by a pair of vertical seal rolls 441. Then, the cylindrical package 414 formed in a cylindrical shape is transferred to the horizontal sealing step g (see FIG. 30).
- the horizontal sealing step g while the cylindrical packaging body 414 is vertically fed in the feeding direction F by the pair of lateral sealing rolls 451, the overlapping portion on the lower side of the accommodating portion 14 and the upper overlapping portion on the cylindrical packaging body 414 are provided. And are transferred to the cutting step i.
- the filling step h the content C supplied from the filling pipe 421 of the filling device 421 is filled into the cylindrical package 414 formed in a cylindrical shape from above (see FIG. 30).
- the cutting step i cuts the longitudinal seal portion and the lateral seal portion of the tubular package 414 in the short direction W while longitudinally feeding the tubular package 414 in the feed direction F by the rotary blade 461 and the receiving roll 462,
- the cylindrical package 414 continuous in the longitudinal direction L is separated into individual folded-open packages 10E filled with a predetermined amount of contents C (see FIG. 30).
- the waste packaging body 417 of the cylindrical packaging body 414 from which the folded opened packaging body 10E is separated is wound into a roll and collected.
- the sheet base material 200 to which the sealing material 40 is pressure-bonded is sequentially separated into a size and shape corresponding to the sheet member 20 of the lid portion 13 constituting the package body 11.
- the film base 300 is sequentially separated into a size and a shape corresponding to the main body portion 12 constituting the package body 11, the folded and opened package 10E can be manufactured more efficiently.
- Example 12 In Example 11 described above, the sheet base material 200 in which the protruding part 24a is formed along the peripheral edge part 40b of the sealing material 40 has been described. However, in Example 12, as shown in FIG. 34, the protruding part 24a is sealed. The sheet base material 200 formed so as to cover the peripheral edge portion 40b of the stopper 40 will be described.
- FIG. 34 is an explanatory diagram of the sheet base material 200 of the twelfth embodiment. Specifically, FIG. 34 (a) is an enlarged cross-sectional view of the sheet base material 200 showing a state immediately before the projecting portion 24a is deformed, and FIG. ) Is an enlarged cross-sectional view of the sheet substrate 200 showing a state in which the protruding portion 24a is deformed.
- the sheet base material 200 of Example 12 protrudes outward from the surface of the sheet base material 200 along the peripheral edge 40b of the sealing material 40 and then protrudes to the surface of the sheet base material 200.
- the protruding portion 24a is pressed in the thickness direction T with a pressing die 410 having a substantially gate-shaped cross section, and is deformed so as to cover the peripheral edge portion 40b of the sealing material 40 that has been bitten in the thickness direction T with respect to the sheet base material 200 ( 34 (a) (b), see the enlarged view of part b3).
- the peripheral edge portion 40 b that has been bitten in the thickness direction T with respect to the surface of the sheet base material 200 in the sealing material 40 is a protrusion 24 a that protrudes from the surface of the sheet base material 200. Covering.
- the portion of the pressing die 410 that pressurizes the protruding portion 24a is inclined at an angle (about 0.5 degrees to about 2 degrees) that gradually increases from the outside toward the inside.
- dust and dust are less likely to enter the concave portion of the peripheral edge portion 40b, which is optimal as a packaging body for individually packaging food, medicine, and the like.
- Example 11 the state in which the notch 23 is sealed with the sealing material 40 can be more reliably maintained until the sealing material 40 is broken and opened with the folding operation of the folded opening package 1A.
- the actions and effects added to Example 11 can be achieved.
- the sealing material 40 which covers the notch 23 peels from an edge part, or drowns. This can be further prevented.
- Example 13 In above-mentioned Example 12, although the bending opening packaging body 10E which formed the protrusion part 24a in the sheet
- FIG. 35 is an explanatory view of the folded and opened package 10E of Example 13, in detail, FIG. 35 (a) is a cross-sectional view of the folded and opened package 10E divided at the center in the short direction W, FIG. (B) is sectional drawing to which the opening area
- the folding unwrapped package 10E of Example 13 has a protruding portion 40c protruding outward from the surfaces of the sheet member 20 and the sealing material 40 with respect to a portion inside the peripheral edge portion 40b in the sealing material 40. It forms along the protrusion part 24a of the sheet
- seat member 20 (refer FIG. 35 (a) (b)).
- the height E3 of the protrusion 40c is formed to be about 0.5 times or more the thickness E1 with reference to the thickness E1 of the sealing material 40.
- the protruding portion 40c of the sealing material 40 is formed to be higher than the protruding portion 24a of the sheet member 20 (see the enlarged view of portion c in FIGS. 35B and 35B).
- the folded unwrapped package 10E of Example 13 includes two projecting portions 24a and 40c, and the projecting portion 24a of the sheet member 20 and the projecting portion 40c of the sealing material 40 are in contact with one projecting portion 24a. Even if it avoids, since it is contact
- the protruding portion 24a of the sheet member 20 and the protruding portion 40c of the sealing material 40 serve as a breakwater, so that the surface of the sealing material 40 covering the notch 23 is scratched or the sealing material 40 is edged. It can prevent more reliably that it peels from a part or drowns.
- the sealing of the notch 23 by the sealing material 40 is not released until the sealing material 40 is broken and opened along with the folding operation of the folded opening package 1A, and the notch 23 is sealed with the sealing material 40.
- the state can be kept more reliably.
- the protruding portion 40c of the sealing material 40 may be formed at a height substantially equal to the protruding portion 24a of the sheet member 20.
- Example 14 In the above-described Examples 11 to 13, the folded and opened package 10E in which the protruding portion 24a is formed higher than the surface of the sealing material 40 press-bonded to the sheet member 20 has been described, but in Example 14, it is shown in FIG. As described above, the folded and opened package 10 ⁇ / b> E in which the protruding portion 24 a is formed at a height substantially equal to the surface of the sealing material 40 that is pressure-bonded to the sheet member 20 will be described.
- FIG. 36 is an explanatory view of the folded and opened package 10E of Example 14. Specifically, FIG. 36 (a) is a cross-sectional view of the folded and opened package 10E divided at the center in the short direction W, FIG. (B) is sectional drawing to which the opening area
- the folded unwrapped package 10E of Example 14 has a substantially flat inner surface from the peripheral edge 40b of the sealing material 40.
- the protrusion along the peripheral edge 40b of the sealing member 40 in the sheet member 20 is higher than the peripheral edge 40b of the sealing member 40 biting into the sheet member 20, and protrudes outward from the surface of the sheet member 20.
- the part 24a is formed on the surface of the sheet member 20 along the peripheral edge part 40b of the sealing material 40 (see FIGS. 36A and 36B).
- the height E ⁇ b> 2 of the protruding portion 44 is formed to a height substantially equal to the thickness E ⁇ b> 1 of the sealing material 40 that is pressure-bonded to the sheet member 20.
- the protruding portion 24a of the sheet member 20 is formed at a height that is substantially the same as the surface of the sealing material 40 that is pressure-bonded to the sheet member 20 (see FIGS. 36B and 36B). (Refer to the enlarged view of part d).
- the surface of the sealing material 40 covering the cut 23 can be prevented from being scratched, the sealing material 40 can be prevented from peeling off or curling, and the folding operation of the folded open package 1A can be prevented. Accordingly, the state in which the notch 23 is sealed with the sealing material 40 can be more reliably maintained until the sealing material 40 is broken and opened. As a result, the actions and effects added to Examples 11 to 3 can be achieved.
- Example 15 In the above-described Examples 11 to 14, the folded open package 10E in which the entire circumference of the peripheral portion 40b of the sealing material 40 has been described has been described, but in Example 15, as shown in FIG. A folded unsealed package 10E in which the peripheral edge 40b is partially bitten will be described.
- FIG. 37 is an explanatory view of the folded and opened package 10E of Example 15. Specifically, FIG. 37 (a) shows a folded and opened state in which the short side edge 40b1 of the sealing material 40 is bitten into the sheet member 20. A plan view of the package 10E, FIG. 37 (b) is a plan view of the folded and opened package 10E in which the long side edge 40b2 of the sealing material 40 is bitten into the sheet member 20. FIG.
- the folded unwrapped package 10E of Example 15 includes a pair of short side edges 40b1 facing the short direction W in the peripheral edge 40b of the sealing material 40, and an extended part of the short side edges 40b1. Is cut into the surface of the sheet member 20 (see FIG. 37A).
- the part 24a is formed along the short side edge 40b1 and the long side edge 40b2 of the sealing material 40 (see FIGS. 37A and 37B).
- Example 16 In the above-described Examples 11 to 15, the folded and opened package 10E that breaks and opens the sealing material 40 has been described, but in Example 16, as shown in FIG. 38, the sealing material 40 is bent. A description will be given of the folded-opening package 10E that is peeled off and opened.
- FIG. 38 is an explanatory view of the folded and opened package 10E of Example 16. Specifically, FIG. 38 (a) is a perspective view of the folded and opened package 10E as viewed obliquely from above, and FIG. It is a top view of the bending opening packaging body 10E shown to a).
- the folded unsealed package 10E of Example 16 re-peels the opposing surfaces in the unsealed region 22 corresponding to the gap between the notch 23 formed in the sheet member 20 and the notch 33 formed in the film member 30A. It sticks with the adhesive layer which has possible adhesive force.
- the foil-shaped sealing material 40 is pressure-bonded so as to cover the cuts 23 and 33 with respect to the surface in the opening region 22 set in the bent portion 21 between the members 20 and 30A (FIG. 38A). b)).
- the surface of the sealing material 40 covering the cut 23 can be prevented from being scratched, and the sealing material 40 can be prevented from peeling off or curling, and the folding operation of the folded open package 10E can be prevented. Accordingly, the state in which the notch 23 is sealed with the sealing material 40 can be more reliably maintained until peeling and opening. As a result, the effects and effects added to Example 11 can be achieved.
- Example 17 In the above-described Example 11, the folded and opened package 10E in which the sealing material 40 is bonded to the sheet member 20 has been described. In Example 17, as shown in FIGS. 39 and 40, two film members are used. A folded unsealed package 10F formed by bonding 30B to each other will be described.
- FIG. 39 is an explanatory view of the folded and opened package 10F of Example 17. Specifically, FIG. 39 (a) is a perspective view of the folded and opened package 10F as viewed from obliquely above, and FIG. It is a top view of the bending opening packaging body 10F shown to a).
- FIG. 40 is an explanatory diagram when the contents C is taken out from the folded open package 10F shown in FIG. 39. Specifically, FIG. 40 (a) shows a fold before folding that is divided at the center in the short direction W. FIG. 39B is a sectional view of the bent-open package 10F, and FIG. 39B is a side view when the content A is taken out from the folded-open package 10F.
- the folding and unwrapping package 10F of Example 17 is configured such that the package body 11 is formed by superimposing two film members 30B formed in substantially the same size and shape on each other and opposing the film members 30B. The parts are bonded to each other (see FIGS. 39A and 39B and FIG. 40A).
- the opening 34 formed on the surface of one film member 30B and the notch 23 formed in the sheet member 20B are made to correspond to each other, and the sheet member 20B to which the sealing material 40 is pressure-bonded is attached to the film member 30B. ing.
- Example 18 In Example 18, as shown in FIG. 41, a folded unsealed package 10G formed by folding one film member 30C in a folded state will be described.
- FIG. 41 is an explanatory diagram of the folded and opened package 10G of Example 18. Specifically, FIG. 41 (a) is a perspective view of the folded and opened package 10G as viewed from diagonally above, and FIG. It is a top view of bending open packaging body 10G shown to a).
- the folded and unsealed package 10G of Example 18 is a short film member 30C formed in a size and shape corresponding to two film members 30B continuously provided in the longitudinal direction L. Folded in a folded state along a virtual fold line (not shown) set at the center of the hand direction W, and the opposite three sides of the folded film member 30C are bonded together. (See FIGS. 41 (a) and 41 (b)).
- the sheet member 20B, to which the sealing material 40 is pressure-bonded, is attached to the film member 30C in correspondence with the opening 34 formed on one surface of the film member 30C and the notch 23 formed in the sheet member 20B. .
- the surface of the sealing material 40 covering the cut 23 can be prevented from being scratched, the sealing material 40 can be prevented from peeling off from the edge, and the folding operation of the folded open package 10G can be prevented. Accordingly, the state in which the notch 23 is sealed with the sealing material 40 can be more reliably maintained until the sealing material 40 is broken and opened. As a result, the effects and effects added to Example 11 can be achieved.
- the opening portion of the present invention corresponds to the cuts 23 and 33 of the embodiment
- the opening part attaching process corresponds to the cutting attaching process a
- the flat member corresponds to the sheet member 20 and the sheet substrate 200
- the sealing member corresponds to the sealing substrate 400
- the sealing material pressing die corresponds to the pressing roller 404
- the present invention is not limited to the configuration of the above-described embodiment, but can be applied based on the technical idea shown in the claims, and many embodiments can be obtained.
- the entire periphery of the peripheral portion 40b of the sealing material 40 is crimped to the surface of the sheet member 20 with a predetermined depth D1 in the thickness direction T.
- the peripheral portion 40b Of these, at least a pair of facing edge portions may be crimped to a state in which a predetermined depth D1 is bitten in the thickness direction T with respect to the surface of the sheet member 20.
- the height E2 of the protrusion 24a is formed to be about 0.5 times or more higher than the thickness E1 of the sealing material 40 has been described.
- the protrusion 24a The height E2 of the sealing material 40 may be formed to a height of about 1 or more times based on the thickness E1 of the sealing material 40.
- a folding ruled line capable of folding the sheet member 20 in a folded state may be attached to the bent portion 21 of the sheet member 20.
- Example 17 and 18 demonstrated the example which adhered the sheet
- Press-cut crimping device 403 ... Sheet receiving type 404 ... Sealing material Pressing die 4044 ... Pressing die 405 ... Sealing material pressurizing part 406, 416, 426, 436 ... Pressing part 407 ... Heater 408 ... Concave and convex part 414 ... Cylindrical packaging 421 ... Filling device 422 ... Filling tube 431 ... Feeding roll 441 ... Vertical sealing roll 451 ... Horizontal sealing roll 461 ... Rotating blade 462 ... Receiving roll a ... Cutting installation process b ... Sealing material press-bonding pressing process c ... Cutting material winding Step d ... Substrate winding step e ... Overlaying step f ... Vertical sealing step g ... Horizontal sealing step h ... Filling step i ... Splitting step
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Abstract
Description
特許文献1の包装体は、内容物が充填された収納凹部の開口部を蓋材で密閉して、蓋材の上面に形成されたハーフカットを覆うように保護テープを剥離可能に貼着している。また平面視略菱形の凸リブをハーフカットと交差して蓋材の上面(表面)中央部に形成している。
詳しくは、折曲げ開封包装体における平坦部材の表面に圧着された封止材の縁部を、平坦部材の表面に対して食い込ませた状態に圧着しているため、例えば多数の包装体を一括して運搬したり、輸送したりする際に、隣り合う包装体同士のうち一方の包装体が、他方の包装体の平坦部材の表面に対して斜めに当接されるか、あるいは、擦れ合わされるなどしても、平坦部材の表面に食い込ませた封止材の縁部に、一方の包装体が当接されるか、あるいは、擦れ合わされることを防止できるとともに、開封部を覆う封止材が剥離したり、捲れたりすることを防止できる。
しかも、平坦部材の封止材が圧着された部分を指先で触っても、封止材の縁部に指先が引っ掛かることがなく、良好な手触り感が得られる。
上述の平坦部材は、例えばアモルファスポリエチレンテレフタレート(A-PET)、ポリプロピレン(PP)、二軸延伸ポリエステル(OPET)、生分解性プラスチック(PLA)、ポリカーボネート(PC)、ポリエチレン(PE)、ポリスチレン(PS)、あるいは、PETG、厚紙、金属シート等の単体シートや複合シートで構成してもよい。
なお、平坦部材の材質、肉厚は、例えば内容物の種類、あるいは包装体本体の内部形状に応じて変更してもよい。
この結果、折曲げ開封包装体を所定の折曲げ角度以下に折り曲げるまでは、封止材による開封部の封止が解除されず、包装体本体に封入された内容物が外部に漏洩することを防止できる。
詳しくは、例えば隣り合う包装体同士のうち一方の包装体が、他方の包装体の平坦部材の表面に突出された突出部に対してどの方向から当接されても、平坦部材の表面に圧着された開封部を覆う封止材の縁部に対して直接当接されることを確実に防止できる。
この結果、折曲げ開封包装体を所定の折曲げ角度以下に折り曲げるまでは、封止材による開封部の封止が解除されず、包装体本体に封入された内容物が外部に漏洩することを確実に防止できる。
この発明によれば、折曲げ開封包装体を所定の折曲げ角度以下に折り曲げるまで、開封部が封止された状態をより確実に保つことができる。
この結果、折曲げ開封包装体を所定の折曲げ角度以下に折り曲げるまでは、封止材による開封部の封止が解除されず、包装体本体に封入された内容物が外部に漏洩することをより確実に防止できる。
この発明によれば、折曲げ開封包装体を所定の折曲げ角度以下に折り曲げるまで、開封部が封止された状態をより確実に保つことができる。
この結果、折曲げ開封包装体を所定の折曲げ角度以下に折り曲げるまでは、封止材による開封部の封止が解除されず、包装体本体に封入された内容物が外部に漏洩することをより確実に防止できる。
上述の凹部と凸部は、例えば断面略四角錐形状、断面略円錐形状、断面略半球形状に形成した多数の突起等で構成してもよい。
詳しくは、凹部と凸部とが付設されてない封止材の肉厚に比べて、微小な凹部と凸部とが付設された封止材の肉厚を薄くすることができる。
この発明によれば、折曲げ開封包装体を所定の折曲げ角度以下に折り曲げるまで、開封部が封止された状態をより確実に保つことができる。
この結果、折曲げ開封包装体を所定の折曲げ角度以下に折り曲げるまでは、封止材による開封部の封止が解除されず、包装体本体に封入された内容物が外部に漏洩することをより確実に防止できる。
この発明によれば、折曲げ開封包装体を所定の折曲げ角度以下に折り曲げるまで、開封部が封止された状態をより確実に保つことができる。
この結果、折曲げ開封包装体を所定の折曲げ角度以下に折り曲げるまでは、封止材による開封部の封止が解除されず、包装体本体に封入された内容物が外部に漏洩することをより確実に防止できる。
詳しくは、例えば隣り合う包装体同士のうち一方の包装体が、他方の包装体の平坦部材の表面に対して当接されるか、あるいは、擦れ合わされても、平坦部材の表面に圧着された開封部を覆う封止材の縁部に対して直接当接されることをより確実に防止できる。
この結果、折曲げ開封包装体を所定の折曲げ角度以下に折り曲げるまでは、封止材による開封部の封止が解除されず、包装体本体に封入された内容物が外部に漏洩することをより確実に防止できる。
上述の封止材加圧部は、例えば断面略平坦形状の平坦加圧部、断面略台形状の台形加圧部、断面略半球形状の半球形加圧部等で構成してもよい。
詳しくは、平坦部材に対して開封部を覆うように重ね合わされた封止材を、封止材押切り型の封止材加圧部により平坦部材の表面に対して厚み方向に加圧する。
この結果、封止材を破断し開封する際の破断抵抗が小さく、折曲げ開封包装体の折曲げ動作に伴い、平坦部材の開封部を覆う封止材を簡単かつ確実に破断し開封することができる。
この発明によれば、折曲げ開封包装体を所定の折曲げ角度以下に折曲げるまで、開封部が封止された状態をより確実に保つことができる。
この結果、封止材を破断し開封する際の破断抵抗がより小さく、折曲げ開封包装体の折曲げ動作に伴い封止材の肉厚が薄い部分が破断されるため、開封部を覆う封止材をより簡単に破断し開封することができる。
この発明によれば、封止材における平坦部材の開封部と対応する部分を破断し開封することができる。
この結果、封止材における平坦部材の開封部と対応する部分を確実に破断し開封することができ、封止材における開封部以外の部分が破断し開封されることを確実に防止できる。
詳しくは、平坦部材に対して開封部を覆うように重ね合わされた封止部材を、封止材加圧部の押切り部により平坦部材の開封部を覆う大きさ及び形状に押切り分離した際に、封止部材から押切り分離された封止材の周縁部のうち少なくとも対向する一対の縁部を、押切り部により平坦部材の表面に対して厚み方向に食い込ませるとともに、平坦部材における封止材の周縁部のうち少なくとも対向する一対の縁部に沿った部分を、平坦部材の表面より外方に向けて突出する方向に変形させる。
この発明によれば、封止材の縁部を平坦部材の表面に対してより確実に食い込ませることができる。
詳しくは、例えば折曲げ開封包装体(以下、包装体と略記する)を多数一括して運搬したり、輸送したりする際に、隣り合う包装体同士のうち一方の包装体が、他方の包装体における平坦部材の表面に対して斜めに当接されるか、あるいは、擦れ合わされるなどしても、平坦部材の表面に突出した突出部が防波堤の役目をするため、一方の包装体が封止材の縁部に対して直接当接されることを防止できる。
しかも、平坦部材における突出部と対応する部分の剛性が向上するため、平坦部材に対して表面側から加えられる圧力に耐え得るのに十分な強度が得られ、封止材による開封部の封止が解除されることを防止できる。
上述の平坦部材は、例えばアモルファスポリエチレンテレフタレート(A-PET)、スチレン(S)、ポリカーボネート(PC)、ポリプロピレン(PP)、二軸延伸ポリエステル(OPET)、生分解性プラスチック(PLA)、ポリカーボネート(PC)、ポリエチレン(PE)、ポリスチレン(PS)、あるいは、PETG、厚紙、金属シート等の単体シート、フィルムを貼り合わせた複合シートで構成してもよく、平坦部材の肉厚は0.1mm~5mm程度の熱可塑性材料が望ましい。
なお、平坦部材の材質、肉厚は、例えば内容物の種類、あるいは包装体本体の内部形状に応じて変更してもよい。
なお、開封部の大きさや形状は、内容物の種類や包装体の大きさに応じて任意に選定してもよい。
上述の0.5倍以上とは、例えば1倍以上を含む概念である。
詳しくは、例えば隣り合う包装体同士のうち一方の包装体が、他方の包装体における平坦部材の表面に対して斜めに当接されるか、あるいは、擦れ合わされるなどした際、一方の包装体が、他方の包装体における平坦部材の突出部に当接される。
この結果、折曲げ開封包装体を所定の折曲げ角度以下に折り曲げるまでは、封止材による開封部の封止が解除されず、開封部を封止材で封止した状態を確実に保つことができる。
この発明によれば、折曲げ開封包装体を所定の折曲げ角度以下に折り曲げるまえに、開封部の封止が解除されることをより確実に防止できる。
しかも、平坦部材における突出部と対応する部分の剛性がより向上するため、平坦部材に対して表面側から加えられる圧力に耐え得るのに十分な強度が得られ、封止材による開封部の封止が解除されることをより確実に防止できる。
この発明によれば、折曲げ開封包装体を所定の折曲げ角度以下に折り曲げるまえに、開封部の封止が解除されることをより確実に防止できる。
この結果、折曲げ開封包装体を所定の折曲げ角度以下に折り曲げるまでは、封止材による開封部の封止が解除されず、開封部を封止材で封止した状態をより確実に保つことができる。
詳しくは、例えば隣り合う包装体同士が互いに当接されるか、あるいは、擦れ合わされるなどした際に、一方の包装体が、他方の包装体における平坦部材の突出部及び封止材の突出部のうち一方の突出部に対する当接が回避されても、他方の突出部に対して当接されるため、一方の包装体が封止材の縁部に対して直接当接されることを防止できる。
しかも、平坦部材における2つの突出部と対応する部分の剛性がより向上するため、平坦部材に対して表面側から加えられる圧力に耐え得るのに十分な強度が得られ、封止材による開封部の封止が解除されることをより確実に防止できる。
この発明によれば、折曲げ開封包装体を所定の折曲げ角度以下に折り曲げるまえに、開封部の封止が解除されることをより確実に防止できる。
この発明によれば、折曲げ開封包装体を所定の折曲げ角度以下に折り曲げるまえに、開封部の封止が解除されることをより確実に防止できる。
この発明によれば、折曲げ開封包装体を所定の折曲げ角度以下に折り曲げるまえに、開封部の封止が解除されることをより確実に防止できる。
この結果、折曲げ開封包装体の折曲げ動作に伴い封止材を破断し開封するまでは、封止材による開封部の封止が解除されず、開封部を封止材で封止した状態をより確実に保つことができる。
この発明によれば、多数の折曲げ開封包装体を連続して製造することができる。
これにより、折曲げ開封包装体に用いられる封止材が圧着された平坦部材を連続して製造することができる。
(実施例1)
図1は実施例1の折曲げ開封包装体10Aの説明図であり、詳しくは、図1(a)は折曲げ開封包装体10Aを斜め上方から見た斜視図、図1(b)は折曲げ開封包装体10Aを表面側から見た平面図である。
図4は折曲げ開封包装体10Aから内容物Cを取り出す際の部分拡大断面図である。
なお、シート部材20を、シート基部20a及びフィルムシール材20bに加えて、図示しない二軸延伸ポリエステル製(OPET)のシートを貼り合わせた複合シートで構成してもよい。
封止材40は折曲げ部21の開封領域22より一回り小さく、開封領域22の切込み23を覆う大きさ及び形状に形成している。封止材40の破断強度は、シート部材20の折曲げ部21を所定の折曲げ角度θ1以下に折曲げた際に破断される強度に設定している(図3、図4参照)。
つまり、封止材40は、シート部材20の折曲げ部21を二つ折り状態に折曲げた際に山側となる開封領域22内の表面に対して、開封領域22の切込み23を覆うように圧着している(図1~図3参照)。
先ず、折曲げ開封包装体10Aを、包装体本体11の蓋部13が下向きとなる状態に保持した後、折曲げ方向Gに向けて二つ折り状態に折曲げ開始する。
なお、封止基材400は、シート基材200の短手方向Wの幅より幅狭に形成され、切込み23を覆う幅に形成している。
なお、加熱ヒータ407により加熱せずに圧着してもよい。
これにより、折曲げ開封包装体10Aのシート部材20に用いられる、封止材40が圧着されたシート基材200を連続して製造することができる。
折曲げ開封包装体10Aを製造する製造方法は、袋状の収容部14が形成されたフィルム基材300と、封止材40が圧着されたシート基材200とを送り方向Fに向けて縦送りしながら重ね合わせる重ね合わせ工程eと、基材200,300同士の両側縁部を長手方向Lに熱シールする縦シール工程fと、基材200,300同士における収容部14の上下重ね合わせ部分を短手方向Wに熱シールする横シール工程gと、縦シール及び横シールされた筒状包装体414内に内容物Cを充填する充填工程hと、所定量の内容物Cが充填された筒状包装体414を個々の折曲げ開封包装体10Aに分離する分断工程iとを、この順で行う(図6参照)。
充填工程hは、充填装置421の充填管421から供給される内容物Cを、筒状に形成した筒状包装体414内に上方から充填する(図6参照)。
なお、折曲げ開封包装体10Aが分離された筒状包装体414の廃棄包装体417は、ロール状に巻回して回収する。
このため、折曲げ開封包装体10Aの折曲げ動作に伴い封止材40を破断し開封する際の破断抵抗がより小さく、シート部材20の切込み23を覆う封止材40をより簡単かつ確実に破断し開封することができる。
上述の実施例1では、封止材40の周縁部40bをシート基材200の表面に食い込ませる押切り部406について説明したが、実施例2では、図12に示すように、封止材40をシート基材200の表面に対して略面一となるように圧着する押切り部416について説明する。
図12は実施例2の他の圧着例の拡大断面図である。
上述の実施例1では、下方に向けて突出する形状に形成した押切り部406について説明したが、実施例3では、図13に示すように、外側斜め下方に向けて突出する形状に形成した押切り部426と、下方に向けて垂直に突出する形状に形成した押切り部436とについて説明する。
上述の実施例1では、封止材40の周縁部40b全周を食い込ませた折曲げ開封包装体10Aについて説明したが、実施例4では、図14に示すように、封止材40の周縁部40bを部分的に食い込ませた折曲げ開封包装体10Aについて説明する。
上述の実施例1では、封止材40を、折り曲げ動作に伴い破断し開封する折曲げ開封包装体10Aに用いた例について説明したが、実施例5では、図15に示すように、封止材40を、折曲げ動作に伴い剥離し開封する折曲げ開封包装体10Aに用いた他の例について説明する。
上述の実施例1では、封止材40をシート部材20に貼り合わせた折曲げ開封包装体10Aについて説明したが、実施例6では、図16、図17に示すように、封止材40が圧着されたシート部材20Bを一方のフィルム部材30Bに貼り合わせた折曲げ開封包装体10Bについて説明する。
一方のフィルム部材30Bの表面に形成された開口部34と、シート部材20Bに形成された切込み23とを対応させて、封止材40が圧着されたシート部材20Bをフィルム部材30Bに貼着している。
これにより、折曲げ開封包装体10を折曲げて封止材40を破断し開封するまで、封止材40による封止した状態をより確実に維持することができる。この結果、実施例1に加えた作用及び効果を奏することができる。
上述の実施例7では、2枚のフィルム部材30Bを互いに貼り合わせて形成した折曲げ開封包装体10Bについて説明したが、実施例7では、図18に示すように、1枚のフィルム部材30Cを二つ折り状態に折り重ねて形成した折曲げ開封包装体10Cについて説明する。
これにより、折曲げ開封包装体10Cを折曲げて封止材40を破断し開封するまで、封止材40による封止状態をより確実に維持することができる。この結果、実施例1に加えた作用及び効果を奏することができる。
上述の実施例1~7では、封止材40の周縁部40bをシート部材20の表面に対して厚み方向Tに食い込ませた状態に圧着した折曲げ開封包装体10A~10Cについて説明したが、実施例8では、図19に示すように、シート部材20の表面より外方に向けて突出する突出部24を、封止材40の周縁部40bに沿って形成した折曲げ開封包装体10Dについて説明する。
この結果、折曲げ開封包装体10Dを所定の折曲げ角度θ1以下に折り曲げるまでは、封止材40による切込み23の封止が解除されることがなく、折曲げ開封包装体10Dに封入された内容物Cが外部に漏洩することをより確実に防止できる。
上述の実施例1~8では、突出部24を封止材40の周縁部40bに沿って形成した例について説明したが、実施例9では、図22に示すように、突出部24を封止材40の周縁部40bを覆うように形成したシート基材200について説明する。
図22は実施例9の突出部24を封止材40の周縁部40bを覆うように圧着したシート基材200の拡大断面図である。
上述の実施例1~9では、凹部41と凸部42を封止材40に付設した例について説明したが、実施例10では、図23に示すように、凹部41及び凸部42を付設せず、シート基材200の表面に圧着された封止材40を略平坦に形成するか、あるいは、略弧状に形成する封止材押切り型404について説明する。
図25は実施例11の折曲げ開封包装体10Eの説明図であり、詳しくは、図25(a)は折曲げ開封包装体10Eを斜め上方から見た斜視図、図25(b)は(a)に示す折曲げ開封包装体10Eの平面図である。
なお、シート部材20を、シート基部20a及びフィルムシール材20bに加えて、図示しない二軸延伸ポリエステル製(OPET)のシートを貼り合わせた複合シートで構成してもよい。
先ず、手の指を、折曲げ開封包装体1Aにおける短辺側の両縁部に掛けて、折曲げ開封包装体10Eを、包装体本体11の蓋部13が下向きとなる状態に保持した後、折曲げ方向Gに向けて二つ折り状態に折曲げ開始する(図27(a)参照)。
なお、封止基材400は、シート基材200の短手方向Wの幅より幅狭に形成され、切込み23を覆う幅に形成している。
なお、封止材40が分離された廃棄基材400aは基材回収工程cにおいてロール状に巻回して回収し、封止材40が圧着されたシート基材200は基材巻回工程dにおいてロール状に巻回する(図29参照)。
折曲げ開封包装体10Eを製造する製造方法は、袋状の収容部14が形成されたフィルム基材300と、封止材40が圧着されたシート基材200とを送り方向Fに向けて縦送りしながら重ね合わせる重ね合わせ工程eと、基材200,300同士の両側縁部を長手方向Lに熱シールする縦シール工程fと、基材200,300同士における収容部14の上下重ね合わせ部分を短手方向Wに熱シールする横シール工程gと、縦シール及び横シールされた筒状包装体414内に内容物Cを充填する充填工程hと、所定量の内容物Cが充填された筒状包装体414を個々の折曲げ開封包装体10Eに分離する分断工程iとを、この順で行う(図30参照)。
充填工程hは、充填装置421の充填管421から供給される内容物Cを、筒状に形成した筒状包装体414内に上方から充填する(図30参照)。
なお、折曲げ開封包装体10Eが分離された筒状包装体414の廃棄包装体417は、ロール状に巻回して回収する。
上述の実施例11では、突出部24aを封止材40の周縁部40bに沿って形成したシート基材200について説明したが、実施例12では、図34に示すように、突出部24aを封止材40の周縁部40bを覆うように形成したシート基材200について説明する。
上述の実施例12では、突出部24aを封止材40の周縁部40bに沿ってシート部材20に形成した折曲げ開封包装体10Eについて説明したが、実施例13では、図35に示すように、突出部40cをシート部材20の突出部24aに沿って封止材40の周縁部40bに形成した折曲げ開封包装体10Eについて説明する。
なお、封止材40の突出部40cをシート部材20の突出部24aと略同等の高さに形成してもよい。
上述の実施例11~13では、突出部24aをシート部材20に圧着された封止材40の表面より高く形成した折曲げ開封包装体10Eについて説明したが、実施例14では、図36に示すように、突出部24aをシート部材20に圧着された封止材40の表面と略同等となる高さに形成した折曲げ開封包装体10Eについて説明する。
上述の実施例11~14では、封止材40の周縁部40b全周を食い込ませた折曲げ開封包装体10Eについて説明したが、実施例15では、図37に示すように、封止材40の周縁部40bを部分的に食い込ませた折曲げ開封包装体10Eについて説明する。
上述の実施例11~15では、封止材40を破断し開封する折曲げ開封包装体10Eについて説明したが、実施例16では、図38に示すように、封止材40を折曲げ動作に伴い剥離し開封する折曲げ開封包装体10Eについて説明する。
上述の実施例11では、封止材40をシート部材20に貼り合わせた折曲げ開封包装体10Eについて説明したが、実施例17では、図39、図40に示すように、2枚のフィルム部材30Bを互いに貼り合わせて形成した折曲げ開封包装体10Fについて説明する。
実施例18では、図41に示すように、1枚のフィルム部材30Cを二つ折り状態に折り重ねて形成した折曲げ開封包装体10Gについて説明する。
図41は実施例18の折曲げ開封包装体10Gの説明図であり、詳しくは、図41(a)は折曲げ開封包装体10Gを斜め上方から見た斜視図、図41(b)は(a)に示す折曲げ開封包装体10Gの平面図である。
この発明の開封部は、実施形態の切込み23,33に対応し、
以下同様に、
開封部付設工程は、切込み付設工程aに対応し、
平坦部材は、シート部材20及びシート基材200に対応し、
封止部材は、封止基材400に対応し、
封止材押切り型は、押切りロール404に対応するも、
この発明は、上述の実施形態の構成のみに限定されるものではなく、請求項に示される技術思想に基づいて応用することができ、多くの実施の形態を得ることができる。
また、シート部材20の折曲げ部21に、シート部材20を二つ折り状態に折曲げ可能な折曲げ罫線を付設してもよい。
10A,10B,10C,10D,10E,10F,10G…折曲げ開封包装体
11…包装体本体
12…本体部
13…蓋部
14…収容部
20…シート部材
21…折曲げ部
22…開封領域
23,33…切込み
24,24a…突出部
30A,30B,30C…フィルム部材
33…切込み
34…開口部
40…封止材
40b…周縁部
40b1…短辺側縁部
40b2…長辺側縁部
40c…突出部
41…凹部
42…凸部
200…シート基材
202…切込み付設装置
300…フィルム基材
400…封止基材
402…押切り圧着装置
403…シート受け型
404…封止材押切り型
4044…押切り型
405…封止材加圧部
406,416,426,436…押切り部
407…加熱ヒータ
408…凹凸付設部
414…筒状包装体
421…充填装置
422…充填管
431…送りロール
441…縦シールロール
451…横シールロール
461…回転刃
462…受けロール
a…切込み付設工程
b…封止材押切り圧着工程
c…切抜き材巻回工程
d…基材巻回工程
e…重ね合わせ工程
f…縦シール工程
g…横シール工程
h…充填工程
i…分断工程
Claims (29)
- 内容物を封入する包装体本体の少なくとも一部が、二つ折り状態に折曲げ可能な折曲げ部を有する平坦部材で構成され、該折曲げ部の折曲げ動作に伴い破断し開封される封止材が、前記平坦部材の表面に対して前記折曲げ部に形成された開封部を覆うように圧着された折曲げ開封包装体であって、
前記封止材の周縁部が、前記平坦部材の表面に対して食い込ませた状態に圧着され、
前記平坦部材の表面より外方に向けて突出する前記封止材の肉厚より低く、かつ、前記平坦部材の表面より外方に向けて突出する前記封止材の高さより低い突出部が、
前記封止材の縁部に沿って前記平坦部材の表面に形成された
折曲げ開封包装体。 - 前記突出部が、
前記封止材の周縁部に沿って全周に亘り形成された
請求項1に記載の折曲げ開封包装体。 - 前記突出部が、
前記平坦部材の周縁部から前記封止材の周縁部に向けて徐々に高くなる形状に形成された
請求項1又は2に記載の折曲げ開封包装体。 - 前記平坦部材の表面より外方に向けて突出する前記突出部の高さが、
前記封止材の肉厚を基準として約50%以上の高さに形成された
請求項1~3のいずれか一つに記載の折曲げ開封包装体。 - 前記封止材の表面に対して微小な凹部と凸部とが多数付設された
請求項1~4のいずれか一つに記載の折曲げ開封包装体。 - 前記封止材の周縁部のうち少なくとも対向する一対の縁部が、
前記平坦部材の表面に対して厚み方向に食い込ませた状態に圧着された
請求項1~5のいずれか一つに記載の折曲げ開封包装体。 - 前記封止材の周縁部の全周が、
前記平坦部材の表面に対して厚み方向に食い込ませた状態に圧着された
請求項1~6のいずれか一つに記載の折曲げ開封包装体。 - 前記封止材の周縁部のうち一部の縁部、あるいは、前記封止材の周縁部の全周が、
前記平坦部材の表面に対して前記封止材の中央部から外周部に向けて徐々に食い込みが深くなるように圧着された
請求項1~7のいずれか一つに記載の折曲げ開封包装体。 - 内容物を封入する包装体本体の少なくとも一部が、二つ折り状態に折曲げ可能な折曲げ部を有する平坦部材で構成され、該折曲げ部の折曲げ動作に伴い破断し開封される封止材が、前記平坦部材の表面に対して前記折曲げ部に形成された開封部を覆うように圧着された折曲げ開封包装体の製造方法であって、
前記開封部を、
帯状に形成された前記平坦部材の表面に対して該平坦部材の長手方向に所定間隔を隔てて付設する開封部付設工程と、
帯状に形成された封止部材を、
前記開封部を覆う大きさ及び形状に封止材押切り型で押切り分離し、前記封止部材から押切り分離された前記封止材を前記平坦部材の表面に対して前記開封部を覆うように圧着する際に、
前記封止材の周縁部を、前記平坦部材の表面に対して食い込ませた状態に前記封止材押切り型で圧着し、
前記平坦部材の表面より外方に向けて突出する前記封止材の肉厚より低く、かつ、前記平坦部材の表面より外方に向けて突出する前記封止材の高さより低い突出部を、
前記封止材の縁部に沿って前記平坦部材の表面に形成する封止材押切り圧着工程とを、この順で行なう
折曲げ開封包装体の製造方法。 - 前記突出部を、前記封止材の周縁部に沿って全周に亘り形成する
請求項9に記載の折曲げ開封包装体の製造方法。 - 前記突出部を、
前記平坦部材の周縁部から前記封止材の周縁部に向けて徐々に高くなる形状に形成する
請求項9又は10に記載の折曲げ開封包装体の製造方法。 - 前記平坦部材の表面より外方に向けて突出する前記突出部の高さを、
前記封止材の肉厚を基準として約50%以上の高さに形成する
請求項9~11のいずれか一つに記載の折曲げ開封包装体の製造方法。 - 前記封止材押切り型に、
前記平坦部材に対して前記開封部を覆うように重ね合わされた前記封止材を、前記平坦部材の表面に対して厚み方向に加圧する封止材加圧部が設けられた
請求項9~12のいずれか一つに記載の折曲げ開封包装体の製造方法。 - 前記封止材加圧部に、
前記封止材の表面に対して微小な凹部と凸部を多数付設する凹凸付設部が設けられた
請求項9~13のいずれか一つに記載の折曲げ開封包装体の製造方法。 - 前記凹凸付設部が、
前記封止材加圧部における前記平坦部材の前記開封部と対応する部分に設けられた
請求項9~14のいずれか一つに記載の折曲げ開封包装体の製造方法。 - 前記封止材加圧部の加圧側周縁部に、
前記開封部を覆う大きさ及び形状に前記封止部材を押切り分離する押切り部が設けられ、
前記押切り部が、
前記封止材の周縁部のうち少なくとも対向する一対の縁部を前記平坦部材の表面に対して厚み方向に食い込ませる形状に形成された
請求項9~15のいずれか一つに記載の折曲げ開封包装体の製造方法。 - 前記押切り部の先端部が、
前記封止材の縁部を前記平坦部材の表面に対して食い込ませる方向に突出されるとともに、前記封止材の縁部の食い込み深さが該封止材の中央部から外周部に向けて徐々に深くなる所定の食い込み角度に形成された
請求項9~16のいずれか一つに記載の折曲げ開封包装体の製造方法。 - 内容物を封入する包装体本体の少なくとも一部が、二つ折り状態に折曲げ可能な折曲げ部を有する平坦部材で構成され、該折曲げ部の折曲げ動作に伴い破断し開封される封止材が、前記平坦部材の表面に対して前記折曲げ部に形成された開封部を覆うように圧着された折曲げ開封包装体であって、
前記封止材の周縁部のうち少なくとも対向する一対の縁部が、
前記平坦部材の表面に対して該平坦部材の厚み方向に食い込ませた状態に圧着され、
前記封止材における前記平坦部材に食い込ませた縁部より外方に向けて突出する突出部が、
前記封止材の縁部に沿って前記平坦部材の表面に形成された
折曲げ開封包装体。 - 前記平坦部材の前記突出部の高さが、
前記封止材の肉厚を基準として0.5倍以上に形成された
請求項18に記載の折曲げ開封包装体。 - 前記平坦部材の前記突出部の幅が、
前記封止材の肉厚を基準として1倍以上に形成された
請求項18又は19に記載の折曲げ開封包装体。 - 前記平坦部材の前記突出部が、
前記平坦部材に圧着された前記封止材の表面より高く形成された
請求項18~20のいずれか一つに記載の折曲げ開封包装体。 - 前記封止材の表面より外方に向けて突出する突出部が、
前記封止材における前記平坦部材に食い込ませた縁部より内側の部分に対して前記平坦部材の前記突出部に沿って形成された
請求項18~21のいずれか一つに記載の折曲げ開封包装体。 - 前記封止材の前記突出部が、
前記平坦部材の前記突出部より高く形成された
請求項22に記載の折曲げ開封包装体。 - 前記封止材における前記平坦部材の厚み方向に食い込ませた縁部の食い込み深さが、
前記封止材の肉厚を基準として0.5倍以上に形成された
請求項18~23のいずれか一つに記載の折曲げ開封包装体。 - 前記平坦部材の前記突出部が、
前記封止材における前記平坦部材に食い込ませた縁部を覆うように形成された
請求項18~24のいずれか一つに記載の折曲げ開封包装体。 - 内容物を封入する包装体本体の少なくとも一部が、二つ折り状態に折曲げ可能な折曲げ部を有する平坦部材で構成され、該折曲げ部の折曲げ動作に伴い破断し開封される封止材が、前記平坦部材の表面に対して前記折曲げ部に形成された開封部を覆うように圧着された折曲げ開封包装体の製造方法であって、
前記開封部を、
帯状に形成された前記平坦部材の表面に対して該平坦部材の長手方向に所定間隔を隔てて付設する開封部付設工程と、
帯状に形成された封止部材を、
前記開封部を覆う大きさ及び形状に封止材押切り型で押切り分離し、前記封止部材から押切り分離された前記封止材を前記平坦部材の表面に対して前記開封部を覆うように圧着する際に、
前記封止材の周縁部を前記平坦部材の表面に対して厚み方向に食い込ませた状態に圧着し、前記封止材における前記平坦部材に食い込ませた縁部より外方に向けて突出する突出部を、前記封止材の縁部に沿って前記平坦部材の表面に形成する封止材押切り圧着工程とを、この順で行なう
折曲げ開封包装体の製造方法。 - 前記封止材押切り型を、
前記平坦部材及び前記封止部材が送り方向に向けて移送される方向へ回転する押切りロールで構成した
請求項26に記載の折曲げ開封包装体の製造方法。 - 前記平坦部材の前記突出部の高さを、
前記封止材の肉厚を基準として0.5倍以上に形成した
請求項26又は27に記載の折曲げ開封包装体の製造方法。 - 前記封止材における前記平坦部材の厚み方向に食い込ませた縁部の食い込み深さを、
前記封止材の肉厚を基準として0.5倍以上に形成した
請求項26~28のいずれか一つに記載の折曲げ開封包装体の製造方法。
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