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JP3512127B2 - 製袋包装機の横シ−ル機構 - Google Patents

製袋包装機の横シ−ル機構

Info

Publication number
JP3512127B2
JP3512127B2 JP33609794A JP33609794A JP3512127B2 JP 3512127 B2 JP3512127 B2 JP 3512127B2 JP 33609794 A JP33609794 A JP 33609794A JP 33609794 A JP33609794 A JP 33609794A JP 3512127 B2 JP3512127 B2 JP 3512127B2
Authority
JP
Japan
Prior art keywords
seal
speed
packaging material
lateral seal
lateral
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
JP33609794A
Other languages
English (en)
Other versions
JPH08175524A (ja
Inventor
雅夫 福田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ishida Co Ltd
Original Assignee
Ishida Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=18295669&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=JP3512127(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Ishida Co Ltd filed Critical Ishida Co Ltd
Priority to JP33609794A priority Critical patent/JP3512127B2/ja
Priority to DE69510900T priority patent/DE69510900T3/de
Priority to EP95309310A priority patent/EP0718196B2/en
Priority to US08/575,331 priority patent/US5753067A/en
Publication of JPH08175524A publication Critical patent/JPH08175524A/ja
Application granted granted Critical
Publication of JP3512127B2 publication Critical patent/JP3512127B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • B65B9/10—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs
    • B65B9/20—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the webs being formed into tubes in situ around the filling nozzles
    • B65B9/213—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the webs being formed into tubes in situ around the filling nozzles the web having intermittent motion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
    • B29C65/7858—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus characterised by the feeding movement of the parts to be joined
    • B29C65/7888—Means for handling of moving sheets or webs
    • B29C65/7894—Means for handling of moving sheets or webs of continuously moving sheets or webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B29C66/1122—Single lap to lap joints, i.e. overlap joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B29C66/431—Joining the articles to themselves
    • B29C66/4312—Joining the articles to themselves for making flat seams in tubular or hollow articles, e.g. transversal seams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/739—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/7392—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
    • B29C66/73921—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic characterised by the materials of both parts being thermoplastics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
    • B29C66/81411—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat
    • B29C66/81415—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being bevelled
    • B29C66/81419—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being bevelled and flat
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/834—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools moving with the parts to be joined
    • B29C66/8351—Jaws mounted on rollers, cylinders, drums, bands, belts or chains; Flying jaws
    • B29C66/83541—Jaws mounted on rollers, cylinders, drums, bands, belts or chains; Flying jaws flying jaws, e.g. jaws mounted on crank mechanisms or following a hand over hand movement
    • B29C66/83543—Jaws mounted on rollers, cylinders, drums, bands, belts or chains; Flying jaws flying jaws, e.g. jaws mounted on crank mechanisms or following a hand over hand movement cooperating flying jaws
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/84—Specific machine types or machines suitable for specific applications
    • B29C66/841—Machines or tools adaptable for making articles of different dimensions or shapes or for making joints of different dimensions
    • B29C66/8412—Machines or tools adaptable for making articles of different dimensions or shapes or for making joints of different dimensions of different length, width or height
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/84—Specific machine types or machines suitable for specific applications
    • B29C66/849—Packaging machines
    • B29C66/8491—Packaging machines welding through a filled container, e.g. tube or bag
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/92—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools
    • B29C66/924—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the pressure, the force, the mechanical power or the displacement of the joining tools
    • B29C66/9261—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the displacement of the joining tools
    • B29C66/92611—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the displacement of the joining tools by controlling or regulating the gap between the joining tools
    • B29C66/92613—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the displacement of the joining tools by controlling or regulating the gap between the joining tools the gap being kept constant over time
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/93—Measuring or controlling the joining process by measuring or controlling the speed
    • B29C66/934—Measuring or controlling the joining process by measuring or controlling the speed by controlling or regulating the speed
    • B29C66/93441—Measuring or controlling the joining process by measuring or controlling the speed by controlling or regulating the speed the speed being non-constant over time
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/93—Measuring or controlling the joining process by measuring or controlling the speed
    • B29C66/934—Measuring or controlling the joining process by measuring or controlling the speed by controlling or regulating the speed
    • B29C66/93451—Measuring or controlling the joining process by measuring or controlling the speed by controlling or regulating the speed by controlling or regulating the rotational speed, i.e. the speed of revolution
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/93—Measuring or controlling the joining process by measuring or controlling the speed
    • B29C66/939—Measuring or controlling the joining process by measuring or controlling the speed characterised by specific speed values or ranges
    • B29C66/9392—Measuring or controlling the joining process by measuring or controlling the speed characterised by specific speed values or ranges in explicit relation to another variable, e.g. speed diagrams
    • 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
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/10—Applying or generating heat or pressure or combinations thereof
    • B65B51/26—Devices specially adapted for producing transverse or longitudinal seams in webs or tubes
    • B65B51/30—Devices, e.g. jaws, for applying pressure and heat, e.g. for subdividing filled tubes
    • B65B51/306—Counter-rotating devices
    • 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
    • B65B9/10—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs
    • B65B9/20—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the webs being formed into tubes in situ around the filling nozzles
    • B65B9/2014—Tube advancing means
    • B65B9/2028—Rollers or belts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B29C66/432—Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms
    • B29C66/4322—Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms by joining a single sheet to itself
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/834—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools moving with the parts to be joined
    • B29C66/8341—Roller, cylinder or drum types; Band or belt types; Ball types
    • B29C66/83421—Roller, cylinder or drum types; Band or belt types; Ball types band or belt types
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/834—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools moving with the parts to be joined
    • B29C66/8351—Jaws mounted on rollers, cylinders, drums, bands, belts or chains; Flying jaws
    • B29C66/83511—Jaws mounted on rollers, cylinders, drums, bands, belts or chains; Flying jaws jaws mounted on rollers, cylinders or drums
    • B29C66/83513—Jaws mounted on rollers, cylinders, drums, bands, belts or chains; Flying jaws jaws mounted on rollers, cylinders or drums cooperating jaws mounted on rollers, cylinders or drums and moving in a closed path
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/12—Surface bonding means and/or assembly means with cutting, punching, piercing, severing or tearing
    • Y10T156/1313—Cutting element simultaneously bonds [e.g., cut seaming]

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Package Closures (AREA)
  • Making Paper Articles (AREA)

Description

【発明の詳細な説明】
【０００１】
【産業上の利用分野】本発明は製袋包装機の横シ−ル機
構に関する。
【０００２】
【従来の技術】筒状に曲成した包材の重なり合った縦の
縁同士をシ−ルし、ついで、１の包材の天の部分とつぎ
の包材の地の部分を横にシ−ルし、その上で、横シ−ル
部の中央を切り離すことによって袋を成形するようにし
た縦型ピロ−包装機は広く用いられている。
【０００３】この種の包装機では、包装すべき被包装物
の如何に拘りなく、包材が一定の長さで送られてくる度
毎に横シ−ル機構を間欠的に作動させるようにし、ま
た、特開平４−８７９３１号公報に開示された装置にお
いても、横シ−ル機構を包材の送りに同期させて回転さ
せるように構成されている。
【０００４】このため、これまでの包装機では、かさ密
度の小さな被包装物を充填する場合に充填に比較的多く
の時間を要して、単位時間当りの製袋数量が限られると
いった問題を有し、また、粉ので易い被包装物を充填す
る場合に遅れて流下してきた粉状物が横シ−ル部に入り
込んでシールの信頼性を損ねてしまうといった問題を生
じさせる。
【発明が解決しようとする課題】本発明はこのような問
題に鑑みてなされたもので、その目的とするところは、
被包装物に応じて横シ−ル部材の送り速度を任意に変え
得るようにした新たな製袋包装機を提供することにあ
る。
【０００５】
【課題を解決するための手段】すなわち、本発明はこの
ような課題を達成するために、被包装物の充填操作と併
行して、帯状包材の搬送方向に移動する横シ−ル部材に
より前記包材に横向きの封止を連続して行う形式の製袋
包装機において、前記横シ−ル部材の、シ−ル領域での
移動時間と非シ−ル領域での移動時間の和が一定で、か
つ該シ−ル領域での前記横シ−ル部材の移動速度を前記
包材の搬送速度に対して速くするか遅くするかのいずれ
かに設定する制御手段を有する。
【０００６】
【実施例】そこで以下に図示した実施例について説明す
る。図面はいづれも本発明の一実施例を示したもので、
図１は、製袋包装機に用いられる横シ−ル機構の概要構
成を示したものである。
【０００７】この横シ−ル機構は、本出願人がすでに特
開平５−７７８５０号公報において開示したものと同様
のものであって、先端に横シ−ルジョ−１を備えた一対
の旋回ア−ム２．２を、包材を表裏から挟み込むように
して互いに内向きに旋回させる一方、これらの旋回ア−
ム２．２の基端枢支部３．３をタ−ンバックル機構４の
正逆転によって離開接近させることにより、横シ−ルジ
ョ−１．１にＤ字型の旋回軌跡を画かせるように構成し
たものである。
【０００８】図中符号６は、これらの横シ−ルジョ−
１．１にＤ字型の軌跡を描かせつつ回転させるための駆
動モ−タで、この駆動モ−タ６は、後述する制御装置１
０により被包装物の種類に応じたモ−ドをもって、横シ
−ルジョ−１．１の回転周期を変えることなく、シ−ル
領域Ｒs での速度Ｖs を任意に変え得るように構成され
ている。
【０００９】ところで、図２は、横シ−ル領域Ｒs での
横シ−ルジョ−１の移動速度Ｖs の違いが包材Ｓに与え
る影響を示したもので、図２（ａ）に示したように、包
材Ｓの搬送速度Ｖｆに対する横シ−ルジョ−１の移動速
度Ｖs が小さい場合、つまり ＶS ＝Ｖf ＋Δｖ （Δｖ＜０） である場合には、横シ−ルジョ−１の移動方向上手側で
包材Ｓが撓む結果、横シールジョー１がシール領域Ｒs
の終端部に達した時点では、包材Ｓが一杯まで拡がっ
て、かさ密度の小さな被包装物を効率良く充填し得る状
態になる。
【００１０】他方、図２（ｂ）に示したように、包材Ｓ
の搬送速度Ｖf に対して横シ−ルジョ−１の移動速度Ｖ
s が大きい場合、つまり、 ＶS ＝Ｖf ＋Δｖ （Δｖ＞０） である場合には、横シ−ル領域Ｒs を移動してゆく間、
横シ−ルジョー１が包材Ｓ面をしごくことになるため、
被包装物の充填容積が小さくなる反面、横シ−ル部位に
流入した粉を除去することになって、シ−ルを確実にす
る利点を有することになる。
【００１１】このような横シ−ルジョ−１の速度の増減
変更は、製袋包装機の他の系、例えば包材Ｓの搬送系や
被包装物の秤量系に影響を与えることなく、横シ−ルジ
ョ−１の同一回転周期内で行うことが必要で、シ−ル領
域Ｒs の全長さＬにわたって横シ−ルジョ−１が移動す
るのに要する時間、つまりシ−ル時間をｔｓ、横シール
ジョー１がその他の部分を移動するのに要する時間、つ
まりある横シ−ル処理の終了からつぎの横シ−ル処理を
開始するまでの、非シール領域Ｒr を移動するのに要す
る時間をｔr とすると、 ｔs ＋ｔr ＝一定 （１） になるように、非シール領域Ｒr での時間ｔr を決める
必要がある。また、単位時間当りの製袋数、つまり単位
時間当りの横シ−ルジョ−の回転数をｎとすると、 ｔs ＝Ｌ／ｖs ＝Ｌ／（ｖf ＋Δｖ） （２） ｔs ＋ｔr ＝１／ｎ （３） であるから、上記（２）、（３）式より ｔr ＝１／ｎ−Ｌ／ｖs ＝１／ｎ−Ｌ／（ｖf ＋Δｖ） （４） となるようにｔs 、ｔr を設定すればよいことになる。
【００１２】再び図１に戻って、図中符号１１は、外部
設定手段１４からの単位時間当りの製袋数ｎと、包材Ｓ
の搬送速度ｖf 等に関するデ−タを基に、横シ−ルジョ
−１のシ−ル領域Ｒs での移動速度ｖs ＝ｖf ＋Δｖを
演算すると同時に、非シ−ル領域Ｒr での移動速度ｖr
を式から演算する演算手段であり、また、１２は、駆
動モ−タ６として交流誘導モ−タを使用するか、あるい
はステップモ−タを使用するかによって、演算手段１１
からのデ−タをもとに各領域Ｒs 、領域Ｒr での周波数
あるいはパルス巾を変え、これをもとに、モ−タ駆動手
段１３を介して駆動モ−タ６を作動させる変速手段を示
している。
【００１３】このように構成された実施例において、い
ま、ポテトチップスのようなかさ密度の小さな被包装物
を包装するような場合には、予めキ−ボ−ド等の外部設
定手段１４により、包装する袋の長さと、単位時間当り
の製袋数ｎに関するデ−タのほかに撓ませモ−ドを選択
して、これを制御手段１０に入力する。
【００１４】これにより、演算手段１１は、横シ−ルジ
ョ−１のシ−ル領域Ｒs での移動速度ｖs をノ−マルモ
−ドよりΔｖだけ遅くする一方、非シ−ル領域Ｒr での
移動速度Ｖr を式から演算してその演算結果を変速手
段１２に出力し、横シ−ルジョ−１の回転周期を変える
ことなく、シ−ル領域Ｒs での移動速度ｖs を包材Ｓの
搬送速度ｖf よりΔｖだけ落して横シ−ル処理を行わせ
る。
【００１５】これにより、横シ−ルジョ−１の移動方向
上手側では、図２に２点鎖線で示したように、シ−ル領
域Ｒs の終端で包材Ｓに大きな撓みを生じさせ、その部
分へのポテトチップス等の充填を円滑に行わせて、包装
作業にゆとりを持たせると同時に、装置のより高速化を
図ることが可能になる。
【００１６】また一方、外部設定手段１４により領域Ｒ
s での横シ−ルジョ−１の移動速度ｖs を包材Ｓの搬送
速度ｖf よりΔｖだけ高めるようにしごきモ−ドに設定
した場合には、包材Ｓをしごくようにして横シ−ル処理
を行うことができるため、横シ−ルジョ−１の移動方向
上手側にしごき板等を併設すれば、横シ−ル部位から粉
状物を除去することができて、より確実な横シ−ルを施
すことができる。
【００１７】ところで、上述した実施例は、シ−ル領域
Ｒs での横シ−ルジョ−１の移動速度をノ−マルモ−ド
から一定の速度Δｖだけ増減させるようにしたものでる
が、被包装物の種類や包材Ｓの材質等に応じて、増減量
を任意に設定するように構成することもできる。
【００１８】
【発明の効果】以上述べたように本発明によれば、横シ
−ル部材のシ−ル領域での移動時間と非シ−ル領域での
移動時間が一定となるような条件のもとで、シ−ル領域
での移動速度を遅くしたり速くしたりすることができる
ようにしたので、包材の搬送系や被包装物の秤量系に影
響を与えることなく、被包装物の種類に応じて円滑な充
填を可能にしたり、あるいは、シ−ル部分の包材をしご
くことによりこの部分の粉状物を除去して、良好な横シ
−ル処理を可能にすることができる。
【図面の簡単な説明】
【図１】本発明の一実施例をなす装置の構成図である。
【図２】（ａ）（ｂ）は、横シ−ルジョ−を減速し、あ
るいは同増速させた場合の包材の状態を示した説明図で
ある。
【図３】横シ−ルジョ−の各回転角での速度変化を示し
た図である。
【符号の説明】
１ 横シ−ルジョ− ２ ア−ム ４ タ−ンバックル機構 ６ 駆動モ−タ Ｓ 包材
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.7，ＤＢ名) B65B 51/10 B65B 9/08 B65B 9/06

Claims (3)

    (57)【特許請求の範囲】
  1. 【請求項１】 被包装物の充填操作と併行して、帯状包
    材の搬送方向に移動する横シ−ル部材により前記包材に
    横向きの封止を連続して行う形式の製袋包装機におい
    て、前記横シ−ル部材の、シ−ル領域での移動時間と非
    シ−ル領域での移動時間の和が一定で、かつ該シ−ル領
    域での前記横シ−ル部材の移動速度を前記包材の搬送速
    度に対して速くするか遅くするかのいずれかに設定する
    制御手段を有する製袋包装機の横シ−ル機構。
  2. 【請求項２】 前記横シ−ル部材を、シ−ル領域で前記
    包材の搬送方向と同方向に移動させるよう略Ｄ字状に旋
    回動させる駆動手段を設けたことを特徴とする請求項１
    記載の製袋包装機の横シ−ル機構。
  3. 【請求項３】 前記制御手段として、前記包材の搬送速
    度を基に該速度に一定の速度を加えあるいは減らすこと
    によって、前記横シ−ル部材のシ−ル領域での移動速度
    を設定するようにしたことを特徴とする請求項１記載の
    製袋包装機の横シ−ル機構。
JP33609794A 1994-12-23 1994-12-23 製袋包装機の横シ−ル機構 Expired - Lifetime JP3512127B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP33609794A JP3512127B2 (ja) 1994-12-23 1994-12-23 製袋包装機の横シ−ル機構
DE69510900T DE69510900T3 (de) 1994-12-23 1995-12-20 Querschweissvorrichtung
EP95309310A EP0718196B2 (en) 1994-12-23 1995-12-20 Transverse sealer
US08/575,331 US5753067A (en) 1994-12-23 1995-12-20 Transverse sealer for a bag maker with variable operating speed

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP33609794A JP3512127B2 (ja) 1994-12-23 1994-12-23 製袋包装機の横シ−ル機構

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JPH08175524A JPH08175524A (ja) 1996-07-09
JP3512127B2 true JP3512127B2 (ja) 2004-03-29

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Also Published As

Publication number Publication date
US5753067A (en) 1998-05-19
JPH08175524A (ja) 1996-07-09
DE69510900D1 (de) 1999-08-26
EP0718196B2 (en) 2004-10-27
DE69510900T3 (de) 2005-03-31
DE69510900T2 (de) 1999-12-09
EP0718196A1 (en) 1996-06-26
EP0718196B1 (en) 1999-07-21

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