EP3594144A1 - Recyclable bag - Google Patents
Recyclable bag Download PDFInfo
- Publication number
- EP3594144A1 EP3594144A1 EP18183447.4A EP18183447A EP3594144A1 EP 3594144 A1 EP3594144 A1 EP 3594144A1 EP 18183447 A EP18183447 A EP 18183447A EP 3594144 A1 EP3594144 A1 EP 3594144A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- material section
- bag according
- foil bag
- seam
- film
- 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.)
- Granted
Links
- 239000000463 material Substances 0.000 claims abstract description 135
- 230000002093 peripheral effect Effects 0.000 claims abstract description 12
- 230000003313 weakening effect Effects 0.000 claims abstract description 9
- 239000011888 foil Substances 0.000 claims description 33
- 229920000098 polyolefin Polymers 0.000 claims description 5
- 238000004806 packaging method and process Methods 0.000 description 10
- 238000004064 recycling Methods 0.000 description 10
- 238000007789 sealing Methods 0.000 description 10
- 239000007788 liquid Substances 0.000 description 7
- -1 polyethylene Polymers 0.000 description 6
- 239000004698 Polyethylene Substances 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 229920006378 biaxially oriented polypropylene Polymers 0.000 description 2
- 239000011127 biaxially oriented polypropylene Substances 0.000 description 2
- 239000012459 cleaning agent Substances 0.000 description 2
- 239000003599 detergent Substances 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000003845 household chemical Substances 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000013502 plastic waste Substances 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 239000002453 shampoo Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
- 208000029257 vision disease Diseases 0.000 description 1
- 230000004393 visual impairment Effects 0.000 description 1
Images
Classifications
-
- 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
- B65D33/00—Details of, or accessories for, sacks or bags
- B65D33/004—Information or decoration elements, e.g. level indicators, detachable tabs or coupons
-
- 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
- B65D75/008—Standing pouches, i.e. "Standbeutel"
-
- 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
- B65D31/00—Bags or like containers made of paper and having structural provision for thickness of contents
- B65D31/02—Bags or like containers made of paper and having structural provision for thickness of contents with laminated walls
-
- 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
- B65D75/54—Cards, coupons, or other inserts or accessories
- B65D75/56—Handles or other suspension means
- B65D75/566—Hand holes or suspension apertures
-
- 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
-
- 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
- B65D75/5855—Peelable seals
-
- 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
- B65D75/5861—Spouts
- B65D75/5872—Non-integral spouts
- B65D75/5883—Non-integral spouts connected to the package at the sealed junction of two package walls
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
- G09F3/02—Forms or constructions
-
- 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
- B65D2203/00—Decoration means, markings, information elements, contents indicators
- B65D2203/02—Labels
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
- G09F3/02—Forms or constructions
- G09F2003/0264—Shapes or borders
- G09F2003/0269—Shapes or borders perforated
Definitions
- the invention relates to a film bag with a bag body comprising at least two opposing front walls made of a bag film, wherein a printed material section is fastened to part of a peripheral edge of the material section with a permanent fastening seam on one of the front walls and a tear line in the form of a seam adjacent to the fastening seam Has material weakening.
- the film bag is in particular designed as a film packaging bag and can be provided, for example, with a base for holding liquids such as detergents, cleaning agents, liquid soap, shampoo, shower gel, conditioner or the like.
- liquids such as detergents, cleaning agents, liquid soap, shampoo, shower gel, conditioner or the like.
- other packaging purposes are also possible, for which foil bags are used in a known manner.
- a lamination composite is provided as the material for the bag wall as a bag film with an inner film made of polyethylene (PE) and an outer film based on polyethylene terephthalate (PET) or biaxially oriented polypropylene (BO-PP) Gluing the inner film with the outer film on the inside of the contact surface is applied either to the outer film or the inner film and is then visible through the transparent outer film.
- PE polyethylene
- PET polyethylene terephthalate
- BO-PP biaxially oriented polypropylene
- Sorted plastic waste on the other hand, can be easily recycled, but then the printing ink that is often on the bag wall, depending on the composition, can hinder the formation of high-quality recycling products.
- JPH 5-84640 U proposes a film bag for refilling a liquid, which is provided with a peripheral separate band.
- the film bag is stabilized by the separate, comparatively stiff band, whereby a user can also grip the film bag well.
- multilayer film bags and film packaging are known, in which individual layers are peelable, that is, separable from one another. Fastening seams are thereby produced, the bond of which is set such that these fastening seams are separated when a tensile force is exerted on the contact surface of the successive layers.
- Various embodiments of such film bags and film packaging are, for example, in JPH 8-2536 A . US 2018/0009587 A1 . US 3,114,643 A and US 6,280,085 B1 described.
- a generic foil bag is out EP 3 168 169 A1 ( Fig. 1 ) known.
- the printed material section extends with respect to the height of the film bag only over a central area and is fastened there to permanent, ie non-peelable fastening seams in the form of heat-sealing seams on the front wall below.
- the two mutually opposite front walls are preferably each provided with a printed material section, such an embodiment also being particularly preferred in the context of the present invention.
- the largest part of the printed material section can be torn off along weakening lines which run directly adjacent to the sealing seams on the longitudinal edges for optimized recycling. Narrow edges of the material section remain only directly at the heat seal seams. If the material section is deliberately not printed there, the bag body remaining after the material section has been torn off is completely unprinted. Simple recycling is then possible, particularly in the case of a single-variety design.
- the present invention is based on the object of improving the application and design options of the film bag without impairing the possibility of recycling.
- the object of the invention and the solution to the problem is a film bag according to claim 1.
- the fastening seam extends over a proportion between 40% and 98% of the peripheral edge. While according EP 3 168 169 A1 starting from a rectangular shape of the material section in the manner of a banderole, deliberately only fastening on the narrow sides of the banderole, the fastening seam according to the present invention extends over a proportion between 40% and 98% of the edge, so that overall a better and more complete fastening of the material section on the assigned front wall.
- the present invention is based on the knowledge that the strength according to the embodiment known from the prior art is sufficient in itself, but on the long sides of the material section in the manner of a banderole over a large unconnected length between the material section and the associated front wall the entire width of the foil pouch is available.
- the material section can stand out far from the front wall located thereunder due to the large unconnected length. This applies, for example, if the film bag has greater mobility after the partial removal of the contents and in particular the bag body is no longer filled to the brim.
- the resulting visual impairments are also avoided in the context of the invention by the greater proportion of the fastening seam along the circumferential edge.
- the fastening seam preferably extends over a proportion of at least 50% and particularly preferably of at least 60% of the peripheral edge.
- the fastening seam preferably extends over at most 90% and particularly preferably over at most 85% of the peripheral edge.
- the fastening seam and the tear line can each have a plurality of mutually spaced fastening seam sections or tear line sections along the circumferential edge.
- the proportion of the fastening seam along the circumferential edge then results from the share of all fastening seam sections together.
- the fastening seam (or the fastening seam sections) is provided along the circumferential edge of the material section, the tear line or the tear line sections runs adjacent to the inside, because otherwise the material separation desired when the material section is torn off cannot be ensured.
- the fastening seam sections are particularly preferably each carried out continuously.
- the fastening seam sections can in principle - similar to a perforation as material weakening - each be made discontinuously, with connected and unconnected areas alternating in short succession.
- fastening seam section always refers to a length along the circumferential edge over which a continuous tear along the tear line is formed when the material section is torn off the associated front wall. If, on the other hand, in the case of successively connected and unconnected sections, the tear reaches the outer edge of the material section when the material section is torn off, then there is also an interruption in the fastening seam in the sense of the invention. As long as the tear spreads along the fastening seam on the tear line, it ultimately does not matter whether it is carried out continuously or discontinuously, even if in practice a continuous configuration is preferred.
- the fastening seam is preferably designed as a heat-sealing seam.
- the bag film is then expediently heat-sealable on the inside of the bag and on the outside of the bag, in which case the front walls and any folds and / or functional shapes, such as a spout or a resealable strip arranged between the front walls, can also be formed into the bag body by heat sealing.
- the tear line runs at a distance between 4 mm and 20 mm, preferably between 6 mm and 12 mm, to an adjacent outer edge so that the material section can be torn off as completely as possible from the assigned front wall after use of the film bag of the material section.
- the distance described is selected so that the connecting seam, in particular in the form of a heat-sealing seam, can be formed between the tear line and the respectively adjacent outer edge of the material section.
- the tear line can be formed, for example, by a perforation, a notch or by means of a laser. In the case of perforation, severed areas and bars alternate along the tear line in quick succession.
- the material section on the tear line has a smaller thickness. This can be achieved, for example, by partially cutting the material section there in the thickness direction.
- material can also be displaced, for example by embossing.
- the measures described can also be combined with a perforation. In the manner of a perforation, for example, weakened and non-weakened areas can alternate along the tear line. To make it particularly easy to tear open weakened and completely separated areas can alternate like a perforation.
- the tear line can also be formed using a laser. Irradiation with a laser then leads to material removal and / or embrittlement.
- the material section can also have absorbent additives, so that the tear line can be formed particularly effectively without damaging the material and possibly further layers. Embrittlement is basically also possible by entering a temperature.
- the tear line can also be formed directly by the temperature input and / or material displacement or displacement.
- the greatest unconnected length between the material section and the associated front wall is kept small along the peripheral edge and is preferably less than 160 mm.
- the greatest unconnected length is particularly preferably between 40 mm and 120 mm.
- a user should be able to reach between the material section and the assigned front wall, in order to be able to pull off the unconnected part of the material section from there by a tear-off movement.
- the greatest unconnected length is preferably in an upper area of the film bag, particularly preferably in the area of an upper corner of the bag.
- Such an arrangement reduces the risk of accidental tearing off ("getting caught"), a user looking for a point of attack for tearing off the material section, especially in the upper region of the bag and especially at a corner of the bag.
- the front walls In a conventional configuration, the front walls have an approximately rectangular shape with two side edges, an upper edge and a lower edge. Especially when the film bag is intended to hold liquid, the upper corners of the front walls can be cut off at an angle, as is the case, for example EP 3 168 169 A1 such as US 2018/0009587 A1 is known. Such front walls are then also referred to as still essentially rectangular in the context of the invention.
- the material section can be arranged on the assigned front wall in different ways. In particular, it is not excluded that the material section is arranged at a distance from the edges of the assigned front wall. According to a preferred embodiment of the invention, however, the material section extends to at least one of the edges of the associated front wall.
- the material section particularly preferably extends up to the side edges, the lower edge and the upper edge of the assigned front wall, the material section then also being fastened at least in sections to the fastening seam on each of the edges.
- the material section is then held on all edges and well protected against accidental tearing off. Furthermore, the front wall is largely, almost completely or even completely covered by the material section, so that a user has a particularly high-quality appearance similar to that of a conventional film bag, but which cannot be recycled in the same way.
- the fastening seam is usually also at least in sections overlapping with a connecting seam at which the front walls are either connected to one another or to a fold arranged between the front walls.
- a bottom fold can be provided between the front walls, which also forms a stand-up base.
- the material section can also have a rectangular or substantially rectangular shape.
- An embodiment is particularly preferred in which, starting from a rectangular shape, at least one corner is separated obliquely. It can also make sense if the section of material springs back at the diagonally separated corner opposite the front wall below. At such a recessed area, for example, the fastening seam can be interrupted along an unconnected length so that a user can intervene there to separate the material section.
- the recessed arrangement of the material section can also be expedient if a functional shape is provided in the area of the bag body underneath.
- a pouring spout, a handle or a reclosable strip can be considered as the functional shape.
- a carrying handle can be formed in different ways.
- a carrying handle can be formed in a particularly preferred manner simply by punching out or making an incision. Such a punch-out or an incision is then expediently formed in an area which is sealed off from the actual receiving space of the bag body by a seal.
- An example of this is the EP 3 168 169 A1 directed.
- both front walls are each provided with an assigned material section, which can be of the same or different design without restriction with regard to the features described above.
- foil bags should generally be designed differently on their front and back. While the product can be provided with an attractive design, a logo and legible lettering on the front, detailed information about the Ingredients, use, other properties, warnings and the like.
- the bag film can be made of polyolefin according to type. Recyclates or blends containing recyclates can also be considered for all components of the film bag and in particular the bag film and the material section.
- the bag body itself is expediently also unprinted.
- the material section in the area of the fastening seam and in particular outside the tear line is unprinted, even if printing there is not fundamentally excluded. If the material section outside of the tear line is unprinted, it is achieved that no printing ink remains even after the remnants of the material section remaining after tearing off the bag body. It can particularly preferably also be provided that the material section and the bag film are made of a single type of polyolefin, with a total of pure, unprinted residue then being present when the material section with its printed areas is separated from the bag body.
- the material section is formed from film.
- other materials such as nonwoven, coated paper and a multi-layer laminate can also be considered.
- the fastening seam provided on the peripheral edge or the fastening seam sections forming the fastening seam are usually as only connection between the material section and the underlying front wall provided.
- the material section can contribute in a certain way to stabilizing the bag body, it preferably has a significantly smaller thickness and a significantly lower weight per unit area in comparison to the bag film.
- the material section can also be recycled, the resulting recyclate is of lower quality due to the residues of printing ink and the possible uses of the recyclate are also restricted.
- the weight per unit area of the material section is typically between 18 g / m 2 and 150 g / m 2 .
- this basis weight corresponds approximately to a thickness between 20 ⁇ m and 170 ⁇ m.
- the bag film preferably has a thickness between 80 ⁇ m and 300 ⁇ m, particularly preferably between 100 ⁇ m and 250 ⁇ m.
- the selection of a suitable thickness for the pouch film also depends to a large extent on the size of the pouch, the intended use and the loads to be expected. With increasing size of the foil pouch, a greater thickness of the pouch foil and, if necessary, also of the material section must also be considered.
- the material section is designed as a film, it particularly preferably has at most half the thickness of the bag film.
- a longitudinal and a transverse direction can be assigned to the film bag according to the invention.
- the longitudinal direction then corresponds to the course of the side edges of the front walls, the upper edge and the upper edge running along the transverse direction.
- the material section is preferably provided continuously along its two longitudinal side edges with the fastening seam, which also extends at least in regions on the upper edge and on the lower edge. A continuous course is possible on the lower edge. However, it may be sufficient if only individual partial areas are fastened to the lower edge, which then each form a comparatively short fastening seam section.
- the material section with the fastening seam is permanently fastened to the associated front wall, so that when the material section is torn off at the tear line, material separation takes place and remnants of the material section remain on the front wall. It is particularly possible and preferred in many cases that the fastening seam represents the only connection between the material section and the assigned front wall.
- connection points are provided on the surface of the material section, for example so that the material section cannot lift too far from the assigned front wall, which could impair the appearance.
- connection points or connection points can be formed in different ways. While the permanent fastening seam is present along the peripheral edge of the material section, a peelable fastening can also be provided at the optionally provided additional connection points or points.
- a peelable heat seal seam can be carried out, for example, by means of precisely selected sealing parameters, only light attachment and / or the arrangement of a varnish that reduces the seal strength, these variants being only mentioned as examples.
- a permanent or peelable connection is also possible with adhesive.
- At least one additional connection is produced within the surface of the material section by adhesive or heat sealing, then this is expediently also surrounded by a material weakening in accordance with the weakening line along the fastening seam. If the material section is then torn off, in addition to the remnants of the material section on the fastening seam, individual “islands” also remain within the surface of the material section, which according to a preferred embodiment of the invention are then not printed, so that the remaining bag body also contains the remnants of the material section then ideally completely free of printing ink.
- the Fig. 1 and 2 show alternative embodiments of a foil bag. The difference is a slightly different shape and the fact that the film bag according to the Fig. 2 laid flat, unfilled, unlocked and not provided with an additional functional element.
- the film bag has a bag body 1 with two opposite front walls 2 and a bottom fold 3 arranged between front walls.
- the front walls 2 are connected to one another and to the bottom fold 3 by connecting seams 4.
- a separate printed material section 5 is arranged on the front wall 2 in the drawings. As in the Fig. 3 It can be seen that the material section 5 is fastened on the associated front wall 2 to a fastening seam 6 which is in register with the connecting seam 4 underneath.
- the connecting seams 4 and the fastening seam 6 are formed by heat sealing.
- the material section 5 is provided with a print 7 in a central area, the edges of the material section 5 and the entire bag body 1 are unprinted.
- the fastening seam 4 has a total of five fastening seam sections 6a, 6b around the peripheral edge of the material section 5, which are separated from one another by unconnected regions 8. Furthermore, in the Fig. 1 It can be seen that, starting from an approximately rectangular shape of the material section 5, upper corners are separated obliquely, in the exemplary embodiment at an angle of approximately 45 °.
- the two unconnected areas 8 with the greatest unconnected length are located in the area of the upper corners of the bag, where a user can easily reach between the material section 5 and the front wall 2 underneath. A user can then tear off a large part of the material section 5 from the bag body 1 for disposal of the film bag.
- the fastening seam 6 permanently, i. H. is not peelable, wherein along the fastening seam 6, d. H.
- a tear line 9 in the form of a material weakening runs parallel to the fastening seam 6.
- the weakening of the material can be formed in different ways. Perforation and / or a reduction in thickness and / or material embrittlement are possible, for example by irradiation with a laser or the supply of heat.
- the tear line 9 is in the Fig. 3 shown with a reduced thickness of the material section 5.
- the tear line 9 can also in other ways, for example by means of laser and / or Heat input must be formed. If the heat input takes place in a suitable manner during heat sealing, the result of the process is particularly simple.
- the fastening seam 6 extends over a proportion between 40% and 98% of the running edge, the proportion preferably being greater than 50% and particularly preferably greater than 60% and preferably less than 90% and particularly preferably less than 85%.
- a continuous fastening seam 6 or a continuous fastening section is possible on a lower edge of the front wall 2.
- only two short fastening seam sections 6a are provided as a kind of fixation, while the fastening seam 6 extends with the corresponding fastening sections 6b up to the obliquely separated corners over the entire length of the material section 5 along a longitudinal direction of the bag.
- an assigned material section 5 is arranged on each of the two front walls 2, wherein the material sections 5 can be made largely the same or different.
- the film bag is intended for the absorption of liquids such as, for example, detergents, shampoo, conditioners, cleaning agents or other household chemicals, this intended use being only exemplary.
- the configuration according to the invention is also suitable for other film bags and in particular conventional film packaging bags.
- the tear line 9 expediently runs at a small distance from the fastening seam 6, so that the distance from the tear line 9 to an adjacent outer edge of the material section 5 can be, for example, between 4 mm and 20 mm, in particular between 6 mm and 12 mm.
- the in the Figures 1 and 2 each have a handle opening 10, which is formed by stamping in a sealed region of the bag body 1. While according to the Fig. 2 the material section 5 also extends over the handle opening 10 and is also stamped there, this corner area is according to FIG Fig. 1 spared.
- the bag body has a spout 11, wherein alternative functional configurations such as, for example, reclosures can also be provided.
- polyolefin for example polyethylene or polypropylene
- the pouch film forming the front walls 2 and preferably also the bottom fold 3 typically has a thickness between 120 ⁇ m and 250 ⁇ m.
- the thickness is, for example, between 20 ⁇ m and 170 ⁇ m.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Bag Frames (AREA)
Abstract
Die Erfindung betrifft einen Folienbeutel mit einem zumindest zwei einander gegenüberliegende Frontwände (2) aufweisenden Beutelkörper (1) aus einer Beutelfolie, wobei ein bedruckter Materialabschnitt (5) an einem Teil eines umlaufenden Randes mit einer permanenten Befestigungsnaht (6) an einer der Frontwände (2) befestigt ist und benachbart zu der Befestigungsnaht (6) eine Aufreißlinie (9) in Form einer Materialschwächung aufweist. Erfindungsgemäß erstreckt sich die Befestigungsnaht (6) über einen Anteil zwischen 40 % und 98 % des umlaufenden Randes.The invention relates to a film bag with a bag body (1) made of a bag film and having at least two opposite front walls (2), a printed material section (5) on part of a peripheral edge having a permanent fastening seam (6) on one of the front walls (2 ) is attached and has a tear line (9) in the form of a material weakening adjacent to the attachment seam (6). According to the invention, the fastening seam (6) extends over a proportion between 40% and 98% of the peripheral edge.
Description
Die Erfindung betrifft einen Folienbeutel mit einem zumindest zwei einander gegenüberliegende Frontwände aufweisenden Beutelkörper aus einer Beutelfolie, wobei ein bedruckter Materialabschnitt an einem Teil eines umlaufenden Randes des Materialabschnitts mit einer permanenten Befestigungsnaht an einer der Frontwände befestigt ist und benachbart zu der Befestigungsnaht eine Aufreißlinie in Form einer Materialschwächung aufweist.The invention relates to a film bag with a bag body comprising at least two opposing front walls made of a bag film, wherein a printed material section is fastened to part of a peripheral edge of the material section with a permanent fastening seam on one of the front walls and a tear line in the form of a seam adjacent to the fastening seam Has material weakening.
Der Folienbeutel ist insbesondere als Folienverpackungsbeutel ausgestaltet und kann beispielsweise mit einem Standboden für die Aufnahme von Flüssigkeiten wie Waschmittel, Reinigungsmittel, flüssige Seife, Schampoo, Duschgel, Conditioner oder dergleichen vorgesehen. Neben anderen Flüssigkeiten wie verschiedene Haushaltschemikalien kommen aber auch andere Verpackungszwecke in Betracht, für welche in bekannter Weise Folienbeutel eingesetzt werden.The film bag is in particular designed as a film packaging bag and can be provided, for example, with a base for holding liquids such as detergents, cleaning agents, liquid soap, shampoo, shower gel, conditioner or the like. In addition to other liquids such as various household chemicals, other packaging purposes are also possible, for which foil bags are used in a known manner.
Herkömmliche Folienverpackungsbeutel werden in der Praxis als Massenartikel eingesetzt, wobei der typische Aufbau solcher Folienverpackungsbeutel beispielsweise aus
Häufig ist als Material für die Beutelwand ein Kaschierverbund als Beutelfolie mit einer Innenfolie aus Polyethylen (PE) und eine Außenfolie auf der Basis von Polyethylenterephthalat (PET) oder biaxial orientierten Polypropylen (BO-PP) vorgesehen, wobei eine Druckschicht bei einem solchen Kaschierverbund vor dem Verkleben der Innenfolie mit der Außenfolie innenliegend an der Kontaktfläche entweder auf die Außenfolie oder die Innenfolie aufgebracht wird und dann durch die transparente Außenfolie sichtbar ist.Often, a lamination composite is provided as the material for the bag wall as a bag film with an inner film made of polyethylene (PE) and an outer film based on polyethylene terephthalate (PET) or biaxially oriented polypropylene (BO-PP) Gluing the inner film with the outer film on the inside of the contact surface is applied either to the outer film or the inner film and is then visible through the transparent outer film.
Derartige herkömmliche Folienverpackungsbeutel zeichnen sich durch ein besonders hochwertiges Erscheinungsbild und gute Funktionseigenschaften aus. Allerdings ist aufgrund der Kaschierung der unterschiedlichen Polymermaterialien ein sortenreines Kunststoff-Recycling nicht möglich, weshalb entsprechende Folienverpackungsbeutel als Einweg-Artikel nach ihrer Benutzung in der Regel deponiert oder bestenfalls verbrannt werden, wobei zumindest noch eine thermische Verwertung möglich ist.Conventional film packaging bags of this type are distinguished by a particularly high-quality appearance and good functional properties. However, due to the lamination of the different polymer materials, pure plastic recycling is not possible, which is why corresponding film packaging bags are generally disposed of as disposable items after use or are at best incinerated, with at least thermal recycling still being possible.
Sortenreine Kunststoffabfälle können dagegen leicht recycelt werden, wobei dann jedoch die häufig auf der Beutelwand vorhandene Druckfarbe je nach Zusammensetzung die Bildung hochwertiger Recyclingprodukte behindern kann.Sorted plastic waste, on the other hand, can be easily recycled, but then the printing ink that is often on the bag wall, depending on the composition, can hinder the formation of high-quality recycling products.
Im Hinblick auf eine Wiederverwertung sind also sortenreine und unbedruckte Kunststoffabfälle besonders vorteilhaft. Dagegen besteht jedoch bei Folienbeuteln und insbesondere bei Folienverpackungsbeuteln das Bedürfnis eines hochwertigen Erscheinungsbildes, wobei neben einer ansprechenden graphischen Gestaltung auch Produkt- und Verbrauchsinformationen auf den Folienbeutel vorhanden sein müssen.With regard to recycling, pure and unprinted plastic waste is particularly advantageous. On the other hand, however, there is a need for a high-quality appearance in the case of film bags, and in particular in the case of film packaging bags, and in addition to an appealing graphic design, product and consumption information must also be present on the film bag.
Um diesen Anforderungen gerecht zu werden, sind aus dem Stand der Technik unterschiedliche und teils gegenläufige Ansätze bekannt.In order to meet these requirements, different and sometimes contradicting approaches are known from the prior art.
Gemäß
Darüber hinaus sind mehrschichtige Folienbeutel und Folienverpackungen bekannt, bei denen einzelne Schichten peelbar, d. h. voneinander trennbar verbunden sind. Es werden dabei Befestigungsnähte erzeugt, deren Verbundhaftung so eingestellt ist, dass diese Befestigungsnähte bei dem Ausüben einer Zugkraft an der Kontaktfläche der aufeinanderfolgenden Schichten getrennt wird. Verschiedene Ausführungsformen solcher Folienbeutel und Folienverpackungen sind beispielsweis in
Ein gattungsgemäßer Folienbeutel ist dagegen aus
Wenn der bekannte gattungsgemäße Folienbeutel entleert ist, kann für ein optimiertes Recycling der größte Teil des bedruckten Materialabschnittes entlang von Schwächungslinien abgerissen werden, welche direkt benachbart zu den Siegelnähten an den Längskanten verlaufen. Lediglich unmittelbar an den Heißsiegelnähten verbleiben schmale Ränder des Materialabschnitts. Wenn der Materialabschnitt dort bewusst nicht bedruckt ist, ist der nach einem Abreißen des Materialabschnittes verbleibende Beutelkörper völlig unbedruckt. Insbesondere bei einer sortenreinen Ausgestaltung ist dann ein einfaches Recycling möglich.When the known generic film bag is emptied, the largest part of the printed material section can be torn off along weakening lines which run directly adjacent to the sealing seams on the longitudinal edges for optimized recycling. Narrow edges of the material section remain only directly at the heat seal seams. If the material section is deliberately not printed there, the bag body remaining after the material section has been torn off is completely unprinted. Simple recycling is then possible, particularly in the case of a single-variety design.
Vor diesem Hintergrund liegt der vorliegenden Erfindung die Aufgabe zugrunde, die Einsatz- und Gestaltungsmöglichkeiten des Folienbeutels zu verbessern, ohne dass die Möglichkeit einer Wiederverwertung beeinträchtigt wird.Against this background, the present invention is based on the object of improving the application and design options of the film bag without impairing the possibility of recycling.
Gegenstand der Erfindung und Lösung der Aufgabe ist ein Folienbeutel gemäß Patentanspruch 1.The object of the invention and the solution to the problem is a film bag according to
Ausgehend von einem gattungsgemäßen Folienbeutel ist demnach vorgesehen, dass sich die Befestigungsnaht über einen Anteil zwischen 40 % und 98 % des umlaufenden Randes erstreckt. Während gemäß
Der vorliegenden Erfindung liegt in diesem Zusammenhang die Erkenntnis zugrunde, dass die Festigkeit gemäß der aus dem Stand der Technik bekannten Ausführungsform an sich ausreichend ist, allerdings an den Längsseiten des Materialabschnittes nach Art einer Banderole eine große unverbundene Länge zwischen dem Materialabschnitt und der zugeordneten Frontwand über die gesamte Breite des Folienbeutels vorliegt.In this context, the present invention is based on the knowledge that the strength according to the embodiment known from the prior art is sufficient in itself, but on the long sides of the material section in the manner of a banderole over a large unconnected length between the material section and the associated front wall the entire width of the foil pouch is available.
Gerade bei einer solchen großen unverbundenen Länge besteht die Gefahr, dass der Materialabschnitt noch während der Benutzung des Folienbeutels, beispielsweise bei einem Transport oder einer Handhabung durch den Benutzer, in irgendeiner Weise an einem Hindernis "hängen bleiben" kann, so dass dann trotz einer an sich ausreichenden Befestigung der Materialabschnitt abgerissen wird.Especially with such a large unconnected length, there is a risk that the material section can "get caught" in any way on an obstacle while the film bag is being used, for example during transport or handling by the user that the material section is then torn off despite sufficient fastening.
Darüber hinaus kann sich gemäß dem Stand der Technik der Materialabschnitt aufgrund der großen unverbundenen Länge weit von der darunter liegenden Frontwand abheben. Das gilt beispielsweise, wenn nach der Teilentnahme des Füllgutes der Folienbeutel eine größere Beweglichkeit aufweist und insbesondere der Beutelkörper nicht mehr prall gefüllt ist. Auch die dann resultierende optische Beeinträchtigungen (mit einer noch größeren Gefahr des zuvor beschriebenen "hängen bleibens") wird im Rahmen der Erfindung durch den größeren Anteil der Befestigungsnaht entlang des umlaufenden Randes vermieden.In addition, according to the prior art, the material section can stand out far from the front wall located thereunder due to the large unconnected length. This applies, for example, if the film bag has greater mobility after the partial removal of the contents and in particular the bag body is no longer filled to the brim. The resulting visual impairments (with an even greater risk of the "getting caught" described above) are also avoided in the context of the invention by the greater proportion of the fastening seam along the circumferential edge.
Die Befestigungsnaht erstreckt sich bevorzugt über einen Anteil von zumindest 50 % und besonders bevorzugt von zumindest 60 % des umlaufenden Randes.The fastening seam preferably extends over a proportion of at least 50% and particularly preferably of at least 60% of the peripheral edge.
Da der Materialabschnitt mit einer permanenten, d. h. unpeelbaren Befestigungsnaht auf der zugeordneten Frontwand angeordnet ist, muss entlang des umlaufenden Randes eine freie Stelle der Befestigungsnaht verbleiben, damit ein Benutzer dort zwischen den separaten Materialabschnitt und die zugeordnete Frontwand greifen kann, um dann von dort den Materialabschnitt bzw. den Anteil des Materialabschnitts innerhalb der Aufreißlinie von der zugeordneten Frontwand abreißen zu können. Entsprechend erstreckt sich die Befestigungsnaht bevorzugt über höchstens 90 % und besonders bevorzugt über höchstens 85 % des umlaufenden Randes.Since the material section with a permanent, i.e. H. If the peelable fastening seam is arranged on the assigned front wall, a free space of the fastening seam must remain along the circumferential edge so that a user can reach there between the separate material section and the assigned front wall, and then from there the material section or the portion of the material section within the To be able to tear off the tear line from the assigned front wall. Accordingly, the fastening seam preferably extends over at most 90% and particularly preferably over at most 85% of the peripheral edge.
Die Befestigungsnaht und die Aufreißlinie können entlang des umlaufenden Randes jeweils mehrere voneinander beabstandete Befestigungsnahtabschnitte bzw. Aufreißlinienabschnitte aufweisen. Der Anteil der Befestigungsnaht entlang des umlaufenden Randes ergibt sich dann aus den Anteil sämtlicher Befestigungsnahtabschnitte gemeinsam.The fastening seam and the tear line can each have a plurality of mutually spaced fastening seam sections or tear line sections along the circumferential edge. The proportion of the fastening seam along the circumferential edge then results from the share of all fastening seam sections together.
Wo entlang des umlaufenden Randes des Materialabschnitts die Befestigungsnaht (bzw. die Befestigungsnahtabschnitte) vorgesehen ist, verläuft benachbart nach innen versetzt auch die Aufreißlinie bzw. die Aufreißlinienabschnitte, weil ansonsten die bei einem Abreißen des Materialabschnitts gewünschte Materialtrennung nicht sichergestellt werden kann.Where the fastening seam (or the fastening seam sections) is provided along the circumferential edge of the material section, the tear line or the tear line sections runs adjacent to the inside, because otherwise the material separation desired when the material section is torn off cannot be ensured.
Wenn die Befestigungsnaht aus mehreren, vorzugsweise maximal sechs Befestigungsnahtabschnitten gebildet ist, sind die Befestigungsnahtabschnitte besonders bevorzugt jeweils kontinuierlich ausgeführt. Alternativ können die Befestigungsnahtabschnitte aber grundsätzlich - ähnlich wie eine Perforation als Materialschwächung - jeweils diskontinuierlich ausgeführt sein, wobei sich in kurzer Folge verbundene und unverbundene Bereiche abwechseln.If the fastening seam is formed from a plurality, preferably a maximum of six fastening seam sections, the fastening seam sections are particularly preferably each carried out continuously. Alternatively, the fastening seam sections can in principle - similar to a perforation as material weakening - each be made discontinuously, with connected and unconnected areas alternating in short succession.
Im Rahmen der Erfindung bezieht sich der Begriff "Befestigungsnahtabschnitt" stets auf eine Länge entlang des umlaufenden Randes über welche bei einem Abreißen des Materialabschnitts von der zugeordneten Frontwand ein durchgehender Riss entlang der Aufreißlinie gebildet wird. Wenn dagegen bei aufeinanderfolgenden verbundenen und unverbundenen Abschnitten der Riss bei einem Abreißen des Materialabschnitts zu der Außenkante des Materialabschnitts gelangt, so liegt dort auch im Sinne der Erfindung eine Unterbrechung der Befestigungsnaht vor. Solange bei einem Abreißen der Riss sich an der Aufreißlinie entlang der Befestigungsnaht ausbreitet, kommt es letztlich nicht darauf an, ob diese kontinuierlich oder diskontinuierlich ausgeführt ist, auch wenn in der Praxis eine kontinuierliche Ausgestaltung bevorzugt ist.In the context of the invention, the term “fastening seam section” always refers to a length along the circumferential edge over which a continuous tear along the tear line is formed when the material section is torn off the associated front wall. If, on the other hand, in the case of successively connected and unconnected sections, the tear reaches the outer edge of the material section when the material section is torn off, then there is also an interruption in the fastening seam in the sense of the invention. As long as the tear spreads along the fastening seam on the tear line, it ultimately does not matter whether it is carried out continuously or discontinuously, even if in practice a continuous configuration is preferred.
Auch wenn für die Befestigungsnaht unterschiedliche Ausgestaltungen in Betracht kommen, so ist diese bevorzugt als Heißsiegelnaht ausgeführt. Die Beutelfolie ist dann zweckmäßigerweise an einer Beutelinnenseite und einer Beutelaußenseite heißsiegelbar, wobei dann auch die Frontwände und gegebenenfalls zwischen den Frontwänden angeordnete Falten und/oder Funktionsausformungen wie ein Ausgießer oder ein Wiederverschlussstreifen durch Heißsiegeln zu dem Beutelkörper geformt werden können.Even if different configurations are possible for the fastening seam, this is preferably designed as a heat-sealing seam. The bag film is then expediently heat-sealable on the inside of the bag and on the outside of the bag, in which case the front walls and any folds and / or functional shapes, such as a spout or a resealable strip arranged between the front walls, can also be formed into the bag body by heat sealing.
Damit der Materialabschnitt möglichst vollständig von der zugeordneten Frontwand nach der Benutzung des Folienbeutels abgerissen werden kann, verläuft die Aufreißlinie gemäß einer bevorzugten Ausgestaltung der Erfindung in einem Abstand zwischen 4 mm und 20 mm, vorzugsweise zwischen 6 mm und 12 mm bis zu einer jeweils benachbarten Außenkante des Materialabschnitts. Der beschriebene Abstand ist so gewählt, dass zwischen der Aufreißlinie und der jeweils benachbarten Außenkante des Materialabschnitts die Verbindungsnaht, insbesondere in Form einer Heißsiegelnaht, gebildet werden kann. Die Aufreißlinie kann beispielsweise durch eine Perforation, eine Einkerbung oder mittels Laser gebildet sein. Bei einer Perforation wechseln sich entlang der Aufreißlinie in kurzer Folge durchtrennte Bereiche und Stege ab.According to a preferred embodiment of the invention, the tear line runs at a distance between 4 mm and 20 mm, preferably between 6 mm and 12 mm, to an adjacent outer edge so that the material section can be torn off as completely as possible from the assigned front wall after use of the film bag of the material section. The distance described is selected so that the connecting seam, in particular in the form of a heat-sealing seam, can be formed between the tear line and the respectively adjacent outer edge of the material section. The tear line can be formed, for example, by a perforation, a notch or by means of a laser. In the case of perforation, severed areas and bars alternate along the tear line in quick succession.
Bei einer Einkerbung weist der Materialabschnitt an der Aufreißlinie eine geringere Dicke auf. Dies kann beispielsweise dadurch erreicht werden, dass dem Materialabschnitt dort in Dickenrichtung teilweise geschnitten wird. Darüber hinaus kann auch eine Materialverdrängung beispielsweise durch eine Prägung erfolgen. Insbesondere können die beschriebenen Maßnahmen auch mit einer Perforation kombiniert werden. Nach Art einer Perforation können sich beispielsweise entlang der Aufreißlinie auch geschwächte und ungeschwächte Bereich abwechseln. Um ein besonders leichtes Aufreißen zu ermöglichen können sich darüber hinaus auch geschwächte und vollständig getrennte Bereiche nach Art einer Perforation abwechseln.In the case of a notch, the material section on the tear line has a smaller thickness. This can be achieved, for example, by partially cutting the material section there in the thickness direction. In addition, material can also be displaced, for example by embossing. In particular, the measures described can also be combined with a perforation. In the manner of a perforation, for example, weakened and non-weakened areas can alternate along the tear line. To make it particularly easy to tear open weakened and completely separated areas can alternate like a perforation.
Des Weiteren kann die Aufreißlinie auch mittels Laser gebildet werden. Durch die Bestrahlung mit einem Laser wird dann ein Materialabtrag und/oder eine Versprödung erreicht. Bei dem Einsatz eines Lasers kann der Materialabschnitt auch absorbierende Additive aufweisen, damit die Aufreißlinie besonders effektiv ohne eine Materialschädigung gegebenenfalls weiterer Schichten gebildet werden kann. Eine Versprödung ist grundsätzlich auch durch einen Temperatureintrag möglich. Bei einem Heißsiegeln kann die Aufreißlinie auch unmittelbar durch den Temperatureintrag und/oder eine Materialverdrängung bzw. -verschiebung gebildet werden.Furthermore, the tear line can also be formed using a laser. Irradiation with a laser then leads to material removal and / or embrittlement. When a laser is used, the material section can also have absorbent additives, so that the tear line can be formed particularly effectively without damaging the material and possibly further layers. Embrittlement is basically also possible by entering a temperature. In the case of heat sealing, the tear line can also be formed directly by the temperature input and / or material displacement or displacement.
Wie bereits zuvor erläutert, sollen im Rahmen der Erfindung insbesondere ein versehentliches Abreißen des Materialabschnittes und ein weites Abstehen des Materialabschnittes von der zugeordneten Frontwand vermieden werden. Entsprechend ist es von Vorteil, wenn entlang des umlaufenden Randes die größte unverbundene Länge zwischen dem Materialabschnitt und der zugeordneten Frontwand gering gehalten wird und vorzugsweise weniger als 160 mm beträgt. Besonders bevorzugt liegt die größte unverbundene Länge zwischen 40 mm und 120 mm.As already explained above, in the context of the invention in particular an inadvertent tearing off of the material section and a large protrusion of the material section from the assigned front wall are to be avoided. Accordingly, it is advantageous if the greatest unconnected length between the material section and the associated front wall is kept small along the peripheral edge and is preferably less than 160 mm. The greatest unconnected length is particularly preferably between 40 mm and 120 mm.
Hinsichtlich der unteren Grenze ist zu beachten, dass an zumindest einer Stelle des Materialabschnitts ein Benutzer die Möglichkeit haben soll, zwischen den Materialabschnitt und die zugeordnete Frontwand zu greifen, um von dort aus durch eine Abreißbewegung den unverbundenen Teil des Materialabschnitts abziehen zu können.With regard to the lower limit, it should be noted that at at least one point on the material section, a user should be able to reach between the material section and the assigned front wall, in order to be able to pull off the unconnected part of the material section from there by a tear-off movement.
Die größte unverbundene Länge befindet sich vorzugsweise in einem oberen Bereich des Folienbeutels, besonders bevorzugt im Bereich eine oberen Beutelecke. Durch eine solche Anordnung wird die Gefahr eine versehentlichen Abreißens (eines "hängen bleibens") reduziert, wobei ein Benutzer gerade im oberen Bereich des Beutels und besonders an einer Beutelecke nach einem Angriffspunkt für ein Abreißen des Materialabschnitts suchen wird.The greatest unconnected length is preferably in an upper area of the film bag, particularly preferably in the area of an upper corner of the bag. Such an arrangement reduces the risk of accidental tearing off ("getting caught"), a user looking for a point of attack for tearing off the material section, especially in the upper region of the bag and especially at a corner of the bag.
Bei einer üblichen Ausgestaltung weisen die Frontwände in etwa eine Rechteckform mit zwei Seitenrändern, einem oberen Rand und einem unteren Rand auf. Gerade wenn der Folienbeutel für die Aufnahme von Flüssigkeit vorgesehen ist, können die oberen Ecken der Frontwände schräg abgeschnitten sein, wie dies beispielsweise aus
Grundsätzlich kann der Materialabschnitt auf der zugeordneten Frontwand in unterschiedlicher Weise angeordnet sein. Es ist insbesondere nicht ausgeschlossen, dass der Materialabschnitt mit einem Abstand zu den Rändern der zugeordneten Frontwand angeordnet ist. Gemäß einer bevorzugten Ausgestaltung der Erfindung erstreckt sich der Materialabschnitt aber bis zumindest einen der Ränder der zugeordneten Frontwand.In principle, the material section can be arranged on the assigned front wall in different ways. In particular, it is not excluded that the material section is arranged at a distance from the edges of the assigned front wall. According to a preferred embodiment of the invention, however, the material section extends to at least one of the edges of the associated front wall.
Besonders bevorzugt erstreckt sich der Materialabschnitt bis zu den Seitenrändern, dem unteren Rand und dem oberen Rand der zugeordneten Frontwand, wobei der Materialabschnitt dann auch an jedem der Ränder mit der Befestigungsnaht zumindest abschnittsweise befestigt ist.The material section particularly preferably extends up to the side edges, the lower edge and the upper edge of the assigned front wall, the material section then also being fastened at least in sections to the fastening seam on each of the edges.
In Bezug auf eine rechteckige oder im Wesentlichen rechteckige Ausgestaltung der Frontwände ist dann der Materialabschnitt an allen Rändern gehalten und somit gut gegen ein versehentliches Abreißen geschützt. Des Weiteren wird die Frontwand von dem Materialabschnitt weitgehend, nahezu vollständig oder sogar vollständig abgedeckt, so dass sich für einen Benutzer ein besonders hochwertiges Erscheinungsbild ähnlich wie bei einem herkömmlichen Folienbeutel ergibt, der jedoch nicht in gleicher Weise recycelt werden kann.With regard to a rectangular or substantially rectangular configuration of the front walls, the material section is then held on all edges and well protected against accidental tearing off. Furthermore, the front wall is largely, almost completely or even completely covered by the material section, so that a user has a particularly high-quality appearance similar to that of a conventional film bag, but which cannot be recycled in the same way.
Wenn sich der Materialabschnitt bis zumindest einem Rand und vorzugsweise sämtlichen Rändern der Frontwand erstreckt, liegt die Befestigungsnaht in der Regel auch zumindest Abschnittsweise in Überdeckung mit einer Verbindungsnaht, an der die Frontwände entweder miteinander oder mit einer zwischen den Frontwänden angeordneten Falte verbunden ist. Gerade wenn der Folienbeutel für die Aufnahme von Flüssigkeiten vorgesehen ist, kann zwischen den Frontwänden eine Bodenfalte vorgesehen sein, welche auch ein Standboden bildet.If the material section extends to at least one edge and preferably all edges of the front wall, the fastening seam is usually also at least in sections overlapping with a connecting seam at which the front walls are either connected to one another or to a fold arranged between the front walls. Just when the foil bag is intended for the absorption of liquids, a bottom fold can be provided between the front walls, which also forms a stand-up base.
Auch der Materialabschnitt kann eine rechteckige oder im Wesentlichen rechteckige Form aufweisen. Besonders bevorzugt ist eine Ausgestaltung, bei der ausgehend von einer Rechteckform zumindest eine Ecke schräg abgetrennt ist. Dabei kann es auch sinnvoll sein, wenn der Materialabschnitt an der schräg abgetrennten Ecke gegenüber der darunterliegenden Frontwand zurückspringt. An einem solchen zurückversetzen Bereich kann beispielsweise die Befestigungsnaht entlang einer unverbundenen Länge unterbrochen sein, damit dort ein Benutzer zum Abtrennen des Materialabschnittes eingreifen kann.The material section can also have a rectangular or substantially rectangular shape. An embodiment is particularly preferred in which, starting from a rectangular shape, at least one corner is separated obliquely. It can also make sense if the section of material springs back at the diagonally separated corner opposite the front wall below. At such a recessed area, for example, the fastening seam can be interrupted along an unconnected length so that a user can intervene there to separate the material section.
Die zurückversetzte Anordnung des Materialabschnittes kann auch zweckmäßig sein, wenn in dem darunterliegenden Bereich des Beutelkörpers eine Funktionsausformung vorgesehen ist. Als Funktionsausformung kommen insbesondere ein Ausgießer ein Tragegriff oder ein Wiederverschlussstreifen in Betracht.The recessed arrangement of the material section can also be expedient if a functional shape is provided in the area of the bag body underneath. A pouring spout, a handle or a reclosable strip can be considered as the functional shape.
Während Ausgießer und Wiederverschlussstreifen als separate Teile zugeführt werden, kann ein Tragegriff auf unterschiedliche Weise gebildet werden. Neben der Befestigung einer separat zugeführten Griffschlaufe kann ein Tragegriff auf besonders bevorzugte Weise einfach durch eine Ausstanzung oder einen Einschnitt gebildet werden. Eine solche Ausstanzung oder ein Einschnitt wird dann zweckmäßigerweise in einem Bereich gebildet, der durch eine Absiegelung von dem eigentlichen Aufnahmeraum des Beutelkörpers abgetrennt ist. Exemplarisch wird hierzu auf die
Im Rahmen der Erfindung kann es ausreichend sein, wenn lediglich eine der beiden Frontwänden in der beschriebenen Weise mit einem Materialabschnitt versehen ist, wobei im Rahmen einer solchen Ausgestaltung der Materialeinsatz minimiert ist und lediglich ein bedruckter Materialabschnitt entfernt werden muss. Auf die Nachteile einer Bedruckung im Zuge eines Recyclings wurde eingangs bei der Diskussion der bekannten Ausführungsformen bereits eingegangen.In the context of the invention, it may be sufficient if only one of the two front walls is provided with a material section in the manner described, the use of material being minimized within the scope of such a configuration and only a printed material section having to be removed. The disadvantages of printing in the course of recycling have already been discussed in the discussion of the known embodiments.
Gemäß einer bevorzugten Weiterbildung der Erfindung sind jedoch beide Frontwände mit jeweils einem zugeordneten Materialabschnitt versehen, die im Hinblick auf die zuvor geschilderten Merkmale ohne Einschränkung gleich oder unterschiedlich ausgeführt sein können.According to a preferred development of the invention, however, both front walls are each provided with an assigned material section, which can be of the same or different design without restriction with regard to the features described above.
Ein solcher Umstand trägt der Anforderung Rechnung, dass Folienbeutel an ihrer Vorderseite und ihrer Rückseite in der Regel unterschiedlich gestaltet werden sollen. Während auf der Vorderseite das Produkt mit einer ansprechenden Gestaltung, einem Logo und einer gut lesbaren Beschriftung versehen sein kann, können auf der Rückseite detaillierte Angaben zu den Inhaltsstoffen, der Verwendung, sonstige Eigenschaften, Warnhinweise und dergleichen aufgeführt sein.Such a circumstance takes into account the requirement that foil bags should generally be designed differently on their front and back. While the product can be provided with an attractive design, a logo and legible lettering on the front, detailed information about the Ingredients, use, other properties, warnings and the like.
Um ein besonders gutes Recycling zu ermöglichen, kann die Beutelfolie sortenrein aus Polyolefin gebildet sein. Für sämtliche Bestandteile des Folienbeutels und insbesondere die Beutelfolie und dem Materialabschnitt kommen auch Recyclate oder Recyclate enthaltende Blends in Betracht.In order to enable particularly good recycling, the bag film can be made of polyolefin according to type. Recyclates or blends containing recyclates can also be considered for all components of the film bag and in particular the bag film and the material section.
Zweckmäßigerweise ist der Beutelkörper selbst auch unbedruckt.The bag body itself is expediently also unprinted.
Vor diesem Hintergrund ist es auch von Vorteil, wenn der Materialabschnitt im Bereich der Befestigungsnaht und insbesondere außerhalb der Aufreißlinie unbedruckt ist, auch wenn dort eine Bedruckung nicht grundsätzlich ausgeschlossen ist. Wenn der Materialabschnitt außerhalb der Aufreißlinie unbedruckt ist, wird erreicht, dass auch durch die nach einem Abreißen auf den Beutelkörper verbleibenden Reste des Materialabschnitts keine Druckfarbe zurückbleibt. Dabei kann besonders bevorzugt auch vorgesehen sein, dass der Materialabschnitt und die Beutelfolie sortenrein aus einem Polyolefin gebildet sind, wobei dann insgesamt ein sortenreiner unbedruckter Reststoff vorliegt, wenn der Materialabschnitt mit seinen bedruckten Bereichen von dem Beutelkörper abgetrennt ist.Against this background, it is also advantageous if the material section in the area of the fastening seam and in particular outside the tear line is unprinted, even if printing there is not fundamentally excluded. If the material section outside of the tear line is unprinted, it is achieved that no printing ink remains even after the remnants of the material section remaining after tearing off the bag body. It can particularly preferably also be provided that the material section and the bag film are made of a single type of polyolefin, with a total of pure, unprinted residue then being present when the material section with its printed areas is separated from the bag body.
Der Materialabschnitt ist gemäß einer bevorzugten Ausgestaltung der Erfindung aus Folie gebildet. Alternativ kommen grundsätzlich aber auch andere Materialien wie beispielsweise Nonwoven, beschichtetes Papier und ein mehrschichtiges Laminat in Betracht.According to a preferred embodiment of the invention, the material section is formed from film. Alternatively, other materials such as nonwoven, coated paper and a multi-layer laminate can also be considered.
Die an dem umlaufenden Rand vorgesehene Befestigungsnaht bzw. die die Befestigungsnaht bildende Befestigungsnahtabschnitte sind üblicherweise als einzige Verbindung zwischen dem Materialabschnitt und der darunterliegenden Frontwand vorgesehen.The fastening seam provided on the peripheral edge or the fastening seam sections forming the fastening seam are usually as only connection between the material section and the underlying front wall provided.
Auch wenn der Materialabschnitt in einer gewissen Weise zu einer Stabilisierung des Beutelkörpers beitragen kann, so weist dieser bevorzugt im Vergleich zu der Beutelfolie eine deutlich geringere Dicke und ein deutlich geringeres Flächengewicht auf.Even if the material section can contribute in a certain way to stabilizing the bag body, it preferably has a significantly smaller thickness and a significantly lower weight per unit area in comparison to the bag film.
Im Rahmen einer solchen Ausgestaltung wird auch berücksichtigt, dass der Materialabschnitt auch recycelt werden kann, das resultierende Recyclat aufgrund der Reste an Druckfarbe von geringerer Qualität ist und auch die Einsatzmöglichkeiten des Recyclats eingeschränkt sind.In the context of such an embodiment, it is also taken into account that the material section can also be recycled, the resulting recyclate is of lower quality due to the residues of printing ink and the possible uses of the recyclate are also restricted.
Das Flächengewicht des Materialabschnitts liegt typischerweise zwischen 18 g/m2 und 150 g/m2 auf. Bei einer bevorzugten Ausgestaltung des Materialabschnitts als Folie und bei üblichen Kunststoffen entspricht dieses Flächengewicht in etwa einer Dicke zwischen 20 µm und 170 µm.The weight per unit area of the material section is typically between 18 g / m 2 and 150 g / m 2 . In a preferred embodiment of the material section as a film and in the case of conventional plastics, this basis weight corresponds approximately to a thickness between 20 μm and 170 μm.
Die Beutelfolie weist bevorzugt eine Dicke zwischen 80 µm und 300 µm, besonders bevorzugt zwischen 100 µm und 250 µm auf.The bag film preferably has a thickness between 80 μm and 300 μm, particularly preferably between 100 μm and 250 μm.
Die Auswahl einer geeigneten Dicke für die Beutelfolie hängt dabei in besonderem Maße auch von der Größe des Folienbeutels, dem Einsatzzweck und den dabei zu erwartenden Belastungen ab. Mit zunehmender Größe des Folienbeutels ist im Zweifel auch eine größere Dicke der Beutelfolie und gegebenenfalls auch des Materialabschnittes in Betracht zu ziehen.The selection of a suitable thickness for the pouch film also depends to a large extent on the size of the pouch, the intended use and the loads to be expected. With increasing size of the foil pouch, a greater thickness of the pouch foil and, if necessary, also of the material section must also be considered.
Wenn der Materialabschnitt als Folie ausgestaltet ist, so weist dieser besonders bevorzugt höchstens die halbe Dicke der Beutelfolie auf.If the material section is designed as a film, it particularly preferably has at most half the thickness of the bag film.
Dem erfindungsgemäßen Folienbeutel kann eine Längs- und eine Querrichtung zugeordnet werden. Bei im Wesentlichen rechteckigen Frontwänden entspricht dann die Längsrichtung dem Verlauf der Seitenrändern der Frontwände, wobei der obere Rand und der obere Rand entlang der Querrichtung verlaufen.A longitudinal and a transverse direction can be assigned to the film bag according to the invention. In the case of essentially rectangular front walls, the longitudinal direction then corresponds to the course of the side edges of the front walls, the upper edge and the upper edge running along the transverse direction.
Ausgehend von einer solchen Zuordnung der Längs- und Querrichtung ist der Materialabschnitt bevorzugt entlang seiner beiden in Längsrichtung verlaufenden Seitenrändern durchgehend mit der Befestigungsnaht versehen, welche sich auch zumindest Bereichsweise an dem oberen Rand sowie an dem unteren Rand erstreckt. An dem unteren Rand ist dabei ein durchgehender Verlauf möglich. Es kann aber ausreichend sein, wenn an dem unteren Rand nur einzelne Teilbereiche befestigt sind, die dann jeweils einen vergleichsweise kurzen Befestigungsnahtabschnitt bilden.On the basis of such an assignment of the longitudinal and transverse directions, the material section is preferably provided continuously along its two longitudinal side edges with the fastening seam, which also extends at least in regions on the upper edge and on the lower edge. A continuous course is possible on the lower edge. However, it may be sufficient if only individual partial areas are fastened to the lower edge, which then each form a comparatively short fastening seam section.
Wie zuvor dargelegt, ist erfindungswesentlich, dass der Materialabschnitt mit der Befestigungsnaht permanent an der zugeordneten Frontwand befestigt ist, so dass bei einem Abreißen des Materialabschnitts an der Aufreißlinie eine Materialtrennung erfolgt und somit Reste des Materialabschnitts an der Frontwand verbleiben. Dabei ist es insbesondere möglich und in vielen Fällen bevorzugt, dass die Befestigungsnaht die einzige Verbindung zwischen dem Materialabschnitt und der zugeordneten Frontwand darstellt.As stated above, it is essential to the invention that the material section with the fastening seam is permanently fastened to the associated front wall, so that when the material section is torn off at the tear line, material separation takes place and remnants of the material section remain on the front wall. It is particularly possible and preferred in many cases that the fastening seam represents the only connection between the material section and the assigned front wall.
Gemäß einer alternativen Ausgestaltung sind an der Fläche des Materialabschnitts weitere Verbindungsstellen vorgesehen, beispielsweise damit der Materialabschnitt sich nicht zu weit von der zugeordneten Frontwand abheben kann, wodurch das Erscheinungsbild beeinträchtigt sein könnte.According to an alternative embodiment, further connection points are provided on the surface of the material section, for example so that the material section cannot lift too far from the assigned front wall, which could impair the appearance.
Zusätzliche Verbindungspunkte oder Verbindungsstellen können auf unterschiedliche Art und Weise gebildet werden. Während entlang des umlaufenden Randes des Materialabschnittes die permanente Befestigungsnaht vorliegt, kann an den optional vorgesehenen zusätzlichen Verbindungsstellen oder -punkten auch eine peelbare Befestigung vorgesehen sein. Eine peelbare Heißsiegelnaht kann beispielsweise durch genau ausgewählte Siegelparameter, ein lediglich leichtes Anheften und/oder die Anordnung eines die Siegelfestigkeit reduzierenden Lacks erfolgen, wobei diese Varianten lediglich exemplarisch genannt sind. Eine permanente oder peelbare Verbindung ist auch durch Klebstoff möglich.Additional connection points or connection points can be formed in different ways. While the permanent fastening seam is present along the peripheral edge of the material section, a peelable fastening can also be provided at the optionally provided additional connection points or points. A peelable heat seal seam can be carried out, for example, by means of precisely selected sealing parameters, only light attachment and / or the arrangement of a varnish that reduces the seal strength, these variants being only mentioned as examples. A permanent or peelable connection is also possible with adhesive.
Wenn im Rahmen der beschriebenen Varianten durch Klebstoff oder Heißsiegeln innerhalb der Fläche des Materialabschnittes zumindest eine zusätzliche Verbindung erzeugt wird, so ist diese zweckmäßigerweise auch durch eine Materialschwächung entsprechend der Schwächungslinie entlang der Befestigungsnaht umgeben. Wenn dann der Materialabschnitt abgerissen wird, verbleiben neben den randseitigen Resten des Materialabschnitts an der Befestigungsnaht auch innerhalb der Fläche des Materialabschnitts einzelne "Inseln", welche dann gemäß einer bevorzugten Ausgestaltung der Erfindung nicht bedruckt sind, damit der verbleibende Beutelkörper mit den Resten des Materialabschnittes auch dann idealerweise vollständig frei von Druckfarbe ist.If, within the scope of the variants described, at least one additional connection is produced within the surface of the material section by adhesive or heat sealing, then this is expediently also surrounded by a material weakening in accordance with the weakening line along the fastening seam. If the material section is then torn off, in addition to the remnants of the material section on the fastening seam, individual “islands” also remain within the surface of the material section, which according to a preferred embodiment of the invention are then not printed, so that the remaining bag body also contains the remnants of the material section then ideally completely free of printing ink.
Die Erfindung wird nachfolgend anhand von Zeichnungen erläutert. Es zeigen:
- Fig. 1
- einen gefüllten Folienbeutel in einer Perspektive,
- Fig. 2
- eine alternative Ausgestaltung des Folienbeutels in einem flachgelegten, unbefüllten Zustand,
- Fig. 3
- ein Schnitt durch einen Folienbeutel gemäß der
Fig. 1 oder derFig. 2 im Bereich einer Längsseite, - Fig. 4
- ein entleerter und flachgelegter Folienbeutel während des Abtrennens eines Materialabschnitts.
- Fig. 1
- a filled foil bag in perspective
- Fig. 2
- an alternative embodiment of the foil bag in a flat, unfilled state,
- Fig. 3
- a section through a film bag according to the
Fig. 1 or theFig. 2 in the area of one long side, - Fig. 4
- an emptied and laid flat foil bag during the severing of a material section.
Die
Bezüglich des übrigen Aufbaus können die
Entsprechend ist zu erkennen, dass der Folienbeutel einen Beutelkörper 1 mit zwei einander gegenüberliegenden Frontwänden 2 und einer zwischen Frontwänden angeordneten Bodenfalte 3 aufweist. Die Frontwände 2 sind durch Verbindungsnähte 4 untereinander sowie mit der Bodefalte 3 verbunden.Accordingly, it can be seen that the film bag has a
Des Weiteren ist zu erkennen, dass auf der in den Zeichnungen vorderen Frontwand 2 eine separater bedruckter Materialabschnitt 5 angeordnete ist. Wie auch in der
Die Verbindungsnähte 4 und die Befestigungsnaht 6 sind durch Heißsiegeln gebildet.The connecting
Während der Materialabschnitt 5 in einem mittleren Bereich mit einem Aufdruck 7 versehen ist, sind die Ränder des Materialabschnitts 5 sowie der gesamte Beutelkörper 1 unbedruckt.While the
Bei der Ausführungsform gemäß der
Die beiden unverbundenen Bereiche 8 mit der größten unverbundenen Länge befinden sich im Bereich der oberen Beutelecken, wobei dort ein Benutzer leicht zwischen dem Materialabschnitt 5 und die darunterliegenden Frontwand 2 greifen kann. Für eine Entsorgung des Folienbeutels kann ein Benutzer dann ein Großteil des Materialabschnittes 5 von dem Beutelkörper 1 abreißen. Zu diesem Zweck ist erfindungsgemäß vorgesehen, dass die Befestigungsnaht 6 permanent, d. h. unpeelbar ist, wobei entlang der Befestigungsnaht 6, d. h. üblicherweise parallel zur Befestigungsnaht 6 eine Aufreißlinie 9 in Form einer Materialschwächung verläuft.The two
Die Materialschwächung kann auf unterschiedliche Art und Weise gebildet werden. Möglich sind beispielweise eine Perforation und/oder eine Reduzierung der Dicke und/oder eine Materialversprödung, beispielsweise durch die Bestrahlung mit einem Laser oder die Zufuhr von Wärme.The weakening of the material can be formed in different ways. Perforation and / or a reduction in thickness and / or material embrittlement are possible, for example by irradiation with a laser or the supply of heat.
Zum Zwecke der besseren Erkennbarkeit ist die Aufreißlinie 9 in der
Wenn also ein Benutzer nach dem Gebrauch des Folienbeutels zur Entsorgung an einer oberen Beutelecke zwischen den Materialabschnitt 5 und die zugeordnete Frontwand 2 eingreift und an dem Materialabschnitt 5 zieht, ergibt sich an der Aufreißlinie 9 eine Materialtrennung in dem Materialschnitt 5, so dass an der Befestigungsnaht 6 bis zu der Aufreißlinie 9 äußere Reste des Materialabschnitts 5 auf der darunterliegenden Frontwand 2 verbleiben, während der gesamte innere Bereich des Materialabschnittes 5 mit der Bedruckung abgerissen wird.So if a user intervenes after using the foil bag for disposal at an upper corner of the bag between the
Da der Aufdruck 7 vor der Aufreißlinie 9 endet, verbleibt dann ein Beutelkörper 1 völlig ohne Druckfarbe.Since the
Die Befestigungsnaht 6 erstreckt sich über einen Anteil zwischen 40 % und 98 % des laufenden Randes, wobei der Anteil vorzugsweise größer als 50 % und besonders bevorzugt größer als 60 % und vorzugsweise kleiner als 90 % und besonders bevorzugt kleiner als 85 % ist.The
An einem unteren Rand der Frontwand 2 ist grundsätzlich eine durchgehende Befestigungsnaht 6 bzw. ein durchgehender Befestigungsabschnitt möglich. In dem dargestellten Ausführungsbeispiel sind jedoch lediglich zwei kurze Befestigungsnahtabschnitte 6a als eine Art Fixierung vorgesehen, während die Befestigungsnaht 6 sich mit den entsprechenden Befestigungsabschnitten 6b bis zu den schräg abgetrennten Ecken über die gesamte Länge des Materialabschnittes 5 entlang einer Beutellängsrrichtung erstreckt.In principle, a
In der
Aus der
Gemäß den dargestellten Ausführungsbeispielen ist der Folienbeutel für die Aufnahme von Flüssigkeiten wie beispielsweise Waschmittel, Shampoo, Conditioner, Reinigungsmittel oder sonstige Haushaltschemikalien vorgesehen, wobei dieser Einsatzzweck lediglich exemplarisch ist. Die erfindungsgemäße Ausgestaltung ist auch für andere Folienbeutel und insbesondere übliche Folienverpackungsbeutel geeignet.According to the exemplary embodiments shown, the film bag is intended for the absorption of liquids such as, for example, detergents, shampoo, conditioners, cleaning agents or other household chemicals, this intended use being only exemplary. The configuration according to the invention is also suitable for other film bags and in particular conventional film packaging bags.
Die Aufreißlinie 9 verläuft zweckmäßigerweise mit einem geringen Abstand zu der Befestigungsnaht 6, so dass der Abstand der Aufreißlinie 9 bis zu einer jeweils benachbarten Außenkante des Materialabschnitts 5 beispielsweise zwischen 4 mm und 20 mm, insbesondere zwischen 6 mm und 12 mm betragen kann.The
Die in den
In der
Wie bereits zuvor erläutert, ist der gemäß
Die die Frontwände 2 und vorzugsweise auch die Bodenfalte 3 bildende Beutelfolie weist typischerweise eine Dicke zwischen 120 µm und 250 µm auf.The pouch film forming the
Wenn der Materialabschnitt 5 gemäß einer bevorzugten Ausgestaltung der Erfindung aus einer Folie besteht, so beträgt die Dicke beispielsweise zwischen 20 µm und 170 µm.If the
Claims (20)
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DE102020108929A1 (en) | 2020-03-31 | 2020-05-14 | Mondi Ag | Foil bag arrangement and method for forming a foil bag arrangement |
EP3882178A1 (en) | 2020-03-17 | 2021-09-22 | Mondi AG | Thermoforming sheet |
EP3757036B1 (en) * | 2019-06-25 | 2023-05-24 | Mondi AG | Foil bag |
EP4215331A1 (en) | 2022-01-21 | 2023-07-26 | Sartorius Stedim Fmt Sas | Method for recycling and sterilizing thermoplastics from single-use containers having same heterogenous composition, and installation for implementing such method |
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JP6476424B2 (en) * | 2016-11-07 | 2019-03-06 | 東洋製罐株式会社 | Pouch with spout |
JP1709316S (en) * | 2021-01-25 | 2022-03-08 | Food packaging bag | |
USD997735S1 (en) * | 2021-01-25 | 2023-09-05 | Cj Cheiljedang Corporation | Bag for food packing |
DE102021113521A1 (en) | 2021-05-26 | 2022-12-01 | Mondi Ag | Packaging bag and method for manufacturing a packaging bag |
DE102022134007A1 (en) * | 2022-12-20 | 2024-06-20 | Capri Sun Ag | Recyclable stand up pouch based on polypropylene |
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US20140205211A1 (en) * | 2013-01-22 | 2014-07-24 | Yvonne McGinnis | Smart Bag |
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Cited By (7)
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EP3757036B1 (en) * | 2019-06-25 | 2023-05-24 | Mondi AG | Foil bag |
EP3882178A1 (en) | 2020-03-17 | 2021-09-22 | Mondi AG | Thermoforming sheet |
DE102020107324A1 (en) | 2020-03-17 | 2021-09-23 | Mondi Ag | Thermoforming film packaging |
DE102020108929A1 (en) | 2020-03-31 | 2020-05-14 | Mondi Ag | Foil bag arrangement and method for forming a foil bag arrangement |
EP3889060A1 (en) | 2020-03-31 | 2021-10-06 | Mondi AG | Film bag assembly and method for forming a film bag assembly |
EP4215331A1 (en) | 2022-01-21 | 2023-07-26 | Sartorius Stedim Fmt Sas | Method for recycling and sterilizing thermoplastics from single-use containers having same heterogenous composition, and installation for implementing such method |
WO2023138982A1 (en) | 2022-01-21 | 2023-07-27 | Sartorius Stedim Fmt Sas | Method for recycling and sterilizing thermoplastics from single-use containers having same heterogenous composition, and installation for implementing such method |
Also Published As
Publication number | Publication date |
---|---|
EP3594144B1 (en) | 2021-02-17 |
US11420796B2 (en) | 2022-08-23 |
CN110712858A (en) | 2020-01-21 |
JP7448316B2 (en) | 2024-03-12 |
US20200031527A1 (en) | 2020-01-30 |
JP2020011777A (en) | 2020-01-23 |
CN110712858B (en) | 2023-06-13 |
EP3831739A1 (en) | 2021-06-09 |
ES2870024T3 (en) | 2021-10-26 |
PL3594144T3 (en) | 2021-10-25 |
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