EP3037360A1 - Sac d'emballage en film et procédé de fabrication de sacs d'emballage en film - Google Patents

Sac d'emballage en film et procédé de fabrication de sacs d'emballage en film Download PDF

Info

Publication number: EP3037360A1
Authority: EP; European Patent Office
Prior art keywords: bag; grip; grip band; carrier; longitudinal direction
Prior art date: 2014-12-22
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

Application number

EP14199849.2A

Other languages

German (de)

English (en)

Other versions

EP3037360B1 (fr

Inventor

Alfons Kruse

Jochen Brauer

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.)

Mondi AG

Original Assignee

Mondi Consumer Packaging Technologies GmbH

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.)

2014-12-22

Filing date

2014-12-22

Publication date

2016-06-29

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=52292672&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP3037360(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

2014-12-22 Application filed by Mondi Consumer Packaging Technologies GmbH filed Critical Mondi Consumer Packaging Technologies GmbH

2014-12-22 Priority to ES14199849.2T priority Critical patent/ES2644726T3/es

2014-12-22 Priority to HUE14199849A priority patent/HUE037215T2/hu

2014-12-22 Priority to EP14199849.2A priority patent/EP3037360B1/fr

2016-06-29 Publication of EP3037360A1 publication Critical patent/EP3037360A1/fr

2017-09-13 Application granted granted Critical

2017-09-13 Publication of EP3037360B1 publication Critical patent/EP3037360B1/fr

Status Active legal-status Critical Current

2034-12-22 Anticipated expiration legal-status Critical

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
- B65D33/06—Handles

Definitions

the invention relates to a foil packaging bag having a filling space bounded by bag walls and having at least one handle assembly on one of the bag walls, wherein the handle assembly comprises a carrier sheet and a flat grip on the carrier sheet, wherein the grip strip along a longitudinal direction of a middle handle portion and starting in the direction from opposite ends comprises attachment portions at which the grip band is connected to the carrier sheet, wherein the carrier sheet extends in the longitudinal direction beyond the grip band and is secured by a heat seal on a heat sealable inside of the associated bag wall and wherein the grip band is accessible from a bag outside ,
Film wrapping bags that are designed for increased filling weight or that are comparatively large are often equipped with carrying handles in practice, so that they can be handled more easily by a user.
the generic foil packaging bag is a disposable product, which is why the most efficient and cost-effective production is sought at a low material usage.
the carrying handle assembly but also to ensure the highest possible comfort, with a cutting of the grip band in the hand of a user, a tearing of the grip band or excessive deformation of the foil packaging bag should be avoided when wearing.
the present invention relates to a simple embodiment of a carrying handle arrangement as shown in FIG DE 203 11 386 U1 is known ( Fig. 5 ).
the grip band can be grasped at the middle grip portion at its longitudinal edges by the hand of a user, below and laterally to the grip band exclusively the carrier label is arranged, with which the carrying handle assembly is attached to the heat sealable inside of the associated bag wall.
the grip band formed by a simple film strip is attached only in the direction of its two opposite ends on the carrier sheet, including in the context of the invention, in particular a heat seal is provided.
the carrier sheet and the grip on a matching length.
the carrying handle assembly can be easily made, because for the production in the longitudinal direction of the handle assembly two different width film strips fed and can be superimposed, in which case the two film strips connected to form the carrier label and the grip band and then can be separated from such a strand individual carrying handle assemblies.
the length of the middle grip portion is increased, resulting in improved comfort or material savings. In practice, however, leaks and jolts arise where on the inside of the grip band is sealed with. In particular, at the longitudinal edges of the grip band results in a step that can lead to leaks and can also lead to significant deformations in the heat sealing.
EP 2 148 820 B1 Different handle arrangements are also from the EP 2 148 820 B1 known. Finally, the reveals EP 2 039 620 B1 a film wrapping bag in the form of a gusseted bag with a grip band arranged on the outside of the gusset.
the present invention has for its object to provide a film packaging bag with a handle assembly that can be produced inexpensively and still has good functional properties.
the object of the invention and solution of the problem are a film packaging bag according to claim 1 and a method for producing film packaging bags according to claim 10.
the invention provides that along the longitudinal direction of the distance between the ends of the handle belt and a respective adjacent edge of the carrier sheet between 8 mm and 22 mm, wherein the carrier sheet with a heat seal, which is located between the Ends of the handle strap and the respective adjacent edge of the carrier sheet extends, is attached to the inside of the associated bag wall.
a precisely defined supernatant is provided on the carrier label, on the one hand a reliable sealing of the carrier label with the inside of the bag wall allows, but on the other hand allows the most efficient use of space.
the carrier sheet lies directly on the inside, so that no steps or the like are present.
the heat-sealing seam runs in the shape of a frame around the grip band, as a result of which a uniform distribution of force and secure attachment can also be achieved.
the heat-sealing seam which runs in the form of a frame around the grip band can be closed, so that a particularly reliable, tight closure is ensured.
the risk of bursting of the heat-sealing seam due to mechanical stresses can also be reduced by the boundary conditions which remain essentially constant along the entire heat-sealing seam.
the invention relates to a particularly simple, cost-effective design of a handle assembly, to provide the well-defined supernatant of 8 mm to 22 mm in the longitudinal direction to provide a sufficiently accurate process control.
it is at most possible with considerable effort to supply two film webs in the longitudinal direction of the handle assembly and then connect with a different length.
a special method for the production of foil packaging bags according to which individual carrying handle arrangements are produced successively transversely to their longitudinal direction. Accordingly, it is provided in the method that in a first production direction for the handle assembly a first film web for forming the grip bands and a second film web for forming the carrier strips are supplied in such a way that the longitudinal direction of the handle assembly is arranged perpendicular to the first production direction. Then individual gripping bands are separated from the first film web, preferably in a uniform cycle, transversely to the first production direction, which are subsequently fastened at a distance from each other on the second film web. It can be provided that due to the process management, the individual grips initially only prefixed on the second film web, for example, be attached and only subsequently a permanent connection, for example by a 0-shaped sealed seam occurs.
the handle assemblies are then individually applied at a uniform distance to a bag film web, with the handle assemblies optionally still being rotated depending on the desired orientation.
openings, cuts or weakenings were previously introduced at uniform intervals on sections provided for receiving the carrying handle arrangements, through which the carrying handle is laterally accessible from the outside in the finished film packaging bag.
the carrying handle assemblies are placed on these sections such that on a first heat-sealable side of the bag film web, the grip tape is covered by the carrier sheet. Subsequently, the carrier sheet with a surrounding the grip band heat seal at the first side of the bag film web Finally, the bag film web is formed either by folding and heat sealing or by the connection with at least one further film web to a bag tube.
the carrier sheet is then located on the inside of the bag tube. Finally, individual bag sections, each with at least one carrying handle arrangement, are separated, filled and closed from the bag tube.
the film packaging bag is also particularly suitable for liquids.
the grip band is accessible from a bag exterior.
a punched-out is provided, through which the grip band can be penetrated laterally.
a punching perpendicular to the longitudinal direction of the grip band is slightly wider than the grip band.
the bag wall on a bag outside also remain on the grip band, in which case the grip band is accessible through incisions or lines of weakness that are first to be torn open.
the bag wall together with the grip band can carry the weight of the foil packaging bag, whereby a thinner material for the grip band can also be taken into consideration.
the grip itself is not cut and can be fully engaged behind at its longitudinal edges.
the middle grip portion of the grip band not connected to the carrier slip in the longitudinal direction preferably has a length between 125 mm and 145 mm. With a shorter length, it becomes harder to reach behind the grip band. With a greater length results in an increased material requirement, in which case the foil packaging bag can be more deformed and constricted when worn by the tensile forces acting on the grip band.
the total length of the grip band in the longitudinal direction is preferably between 170 mm and 190 mm in order to provide a sufficiently long middle grip portion with an optimal material utilization and on the other hand to allow secure attachment of the grip band to the carrier sheet.
the carrier sheet preferably has a length between 200 mm and 220 mm in the longitudinal direction, so that then in combination with the aforementioned length of the grip band of the supernatant according to the invention between 8 mm and 22 mm, in particular between 10 and 20 mm, for example about 15 mm results.
the width of the carrier label and the grip band transverse to the longitudinal direction is chosen so that both a secure attachment and a comfortable handling are ensured with the lowest possible use of materials.
the grip band should not be too narrow, because otherwise it could cut into the hand of a user.
the width of the carrier sheet between 70 mm and 90 mm and the width of the grip band between 40 and 50 mm.
the thickness of the grip band is for example between 200 microns and 400 microns, with a multi-layered design of the grip band is preferred.
a multi-layered embodiment in particular, different materials can be combined to optimize the mechanical properties and in particular the load capacity.
the grip band can be formed in three layers and have outer layers of polyolefin, in particular polyethylene and a core layer of a stiffer material, for example oriented polyamide.
both symmetrical and asymmetric layer compositions come into consideration, wherein the outer layers are preferably thicker than the core layer.
the grip band is expediently heat-sealable on its side lying on the carrier sheet in order to be connected in a simple manner by a heat seal with the carrier sheet.
a heat seal With regard to the distribution of force, for example, a 0-shaped heat seal is suitable.
the carrier sheet an asymmetrical multi-layer construction is preferably provided because the carrier sheet only on its one, the inside the side facing the bag wall must be heat-sealable, wherein preferably the opposite side of the carrier sheet does not melt in a heat-sealing in order to avoid contamination of the heat-sealing tool.
the carrier sheet may, for example, have a good heat-sealable layer of polyolefin, in particular polyethylene and a less heat-sealable layer of polyamide or polyethylene terephthalate.
Such a less heat-sealable layer can also contribute to a stiffening of the carrier label and thus to an increase in the carrying capacity, even if such a layer is preferably made only relatively thin and, for example, has a thickness between 10 .mu.m and 30 .mu.m.
the total thickness of the carrier label may for example be between 140 .mu.m and 250 .mu.m, whereby a barrier layer may also be provided without difficulty.
a barrier layer for example, a metallized plastic layer, a metal layer (in particular aluminum) or a barrier layer made of plastic, such as EVOH, may be provided.
the grip band is connected in sections directly to the inside of the associated bag wall. According to a preferred embodiment, however, it is provided that the grip band is not directly connected to the inside of the associated bag wall, so that the entire weight is transferred from the grip first to the carrier sheet and only from there to the associated bag wall.
the Fig. 1 shows a simple handle assembly 1, which is provided for the arrangement on an inner side of a bag wall 2.
the carrying handle assembly 1 comprises a carrier sheet 3 and a flat resting on the carrier sheet 3 grip band 4, wherein both the carrier sheet 3 and the grip band 4 are formed from film.
Both the carrier sheet 3 and the grip band 4 have a rectangular shape, wherein along a longitudinal direction L of the carrier sheet 3 goes beyond the grip belt 4.
the grip band 4 has, along the longitudinal direction, a central grip portion 4a and, proceeding in the direction of opposite ends 5, attachment portions 4b to which the grip band 4 is fastened to the carrier sheet 3 by O-shaped heat seals 6.
the not connected to the carrier sheet 3 middle handle portion 4a of the grip 4 has in the longitudinal direction L a length l m between 125 mm and 145 mm, wherein the total length l G of the grip 4 in the longitudinal direction L between 170 mm and 190 mm.
the length l T of the carrier sheet 3 in the longitudinal direction L is between 200 mm and 220 mm, so that along the longitudinal direction L between the ends 5 of the grip belt 4 and a respective adjacent edge of the carrier sheet 3 remaining distance a typically between 8 mm and 22 mm , preferably between 10 mm and 20 mm, for example 15 mm.
the width of the grip band b G determined perpendicular to the longitudinal direction L is preferably between 40 mm and 50 mm, the width b T of the carrier slip 3 being between 70 mm and 90 mm.
the Fig. 2 shows the carrying handle assembly 1 according to the Fig. 1 Only the carrier sheet 3 is attached to a heat seal seam 7 on an inner side of the bag wall, wherein the self-contained heat seal seam 7 completely surrounds the grip band 4. Furthermore, it can be seen that the grip band 4 is accessible from an outer side through an opening 8 in the bag wall 2, wherein the average grip distance 4 a can be grasped behind the hand of a user.
the O-shaped heat seals 6 are located partly in the region of the opening 8 and partly laterally arranged behind the bag wall 2 for this purpose.
the opening 8 is slightly wider than the grip 4.
the Fig. 3 shows for further clarification a longitudinal section through the arrangement according to the Fig. 2 ,
the Fig. 4 shows by way of example a film packaging bag in the form of a gusseted bag, in which the carrying handle assembly 1 described above is arranged on a bag wall 2, which forms a gusset. With the handle assembly 1, the gusseted bag can be easily handled.
the Fig. 5 shows a variant of the arrangement according to the Fig. 2 wherein the carrier sheet 3 with the inside of the bag wall 2 connecting heat seal seam 7 has interruptions 9 to provide ventilation channels.
9 such a valve function can be accurately adjusted by the shape of the interruptions.
the grip 4 may have a three-layer structure of 125 ⁇ m PE / 25 ⁇ m oriented polyamide / 180 ⁇ m PE.
the carrier sheet 3 is preferably well heat sealable only on the voltage applied to the bag wall 2 side.
a two-layered construction comprising a heat-sealable layer of polyethylene and an opposite layer of polyethylene terephthalate or oriented polyamide is suitable.
the layer thickness of the heat-sealable layer may, for example, be 180 ⁇ m, with the opposite less heat-sealable layer, for example may have a thickness between 10 microns and 30 microns.
a barrier layer can also be provided.
a layer structure of 12 ⁇ m PET / 9 ⁇ m aluminum / 15 ⁇ m oriented polyamide / 120 ⁇ m polyethylene is suitable.
the Fig. 6 shows a variant in which instead of an opening 8 on the grip 4 in the bag wall 2 only incisions are provided laterally to the grip 4, in which case the bag wall 2 above the grip 4 can also contribute to the carrying capacity of the handle assembly 1.
the grip band 4 and the carrier sheet 3 can be made thinner.
the Fig. 7 shows a further variant of a foil packaging bag, in which two carrying handle assemblies 1 are arranged at a distance from each other.
a foil packaging bag can optionally be worn on one of the two carrying handle arrangements 1 or also on both carrying handle arrangements 1.
the film packaging bag according to the Fig. 7 is worn by two people.
the shows Fig. 8 a film packaging bag, which is provided for receiving a liquid and correspondingly also has a screw cap 10.

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Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Bag Frames (AREA)

EP14199849.2A 2014-12-22 2014-12-22 Sac d'emballage en film et procédé de fabrication de sacs d'emballage en film Active EP3037360B1 (fr)

Priority Applications (3)

Application Number	Priority Date	Filing Date	Title
ES14199849.2T ES2644726T3 (es)	2014-12-22	2014-12-22	Bolsa de envasado de película y procedimiento de fabricación de bolsas de envasado de película
HUE14199849A HUE037215T2 (hu)	2014-12-22	2014-12-22	Fólia csomagolótasak és eljárás fólia csomagolótasak elõállítására
EP14199849.2A EP3037360B1 (fr)	2014-12-22	2014-12-22	Sac d'emballage en film et procédé de fabrication de sacs d'emballage en film

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
EP14199849.2A EP3037360B1 (fr)	2014-12-22	2014-12-22	Sac d'emballage en film et procédé de fabrication de sacs d'emballage en film

Publications (2)

Publication Number	Publication Date
EP3037360A1 true EP3037360A1 (fr)	2016-06-29
EP3037360B1 EP3037360B1 (fr)	2017-09-13

Family

ID=52292672

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP14199849.2A Active EP3037360B1 (fr)	2014-12-22	2014-12-22	Sac d'emballage en film et procédé de fabrication de sacs d'emballage en film

Country Status (3)

Country	Link
EP (1)	EP3037360B1 (fr)
ES (1)	ES2644726T3 (fr)
HU (1)	HUE037215T2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN110329648A (zh) *	2019-06-27	2019-10-15	上海洲泰轻工机械制造有限公司	一种具备提手的包装袋及其制备方法和设备
US20220097942A1 (en) *	2019-01-10	2022-03-31	Positive Packaging United (ME)FZCO	A panel for a flexible package

Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE20311386U1 (de)	2003-07-25	2003-10-16	Bischof + Klein GmbH & Co. KG, 49525 Lengerich	Verpackungsbehälter aus Kunststoffolie
EP1792722B1 (fr)	2006-10-02	2008-11-26	Nordenia Deutschland Halle GmbH	Poche d'emballage
EP2039620B1 (fr)	2007-09-19	2010-09-08	Nordenia Deutschland Halle GmbH	Sachet à soufflet latéral
EP2386493A1 (fr) *	2010-05-12	2011-11-16	Nordenia Deutschland Halle GmbH	Sac à fond plat tenant debout composé d'une feuille plastique pouvant être scellée à chaud
EP2148820B1 (fr)	2007-05-31	2012-02-29	Nordenia Deutschland Halle GmbH	Sac d'emballage en film

2014
- 2014-12-22 HU HUE14199849A patent/HUE037215T2/hu unknown
- 2014-12-22 ES ES14199849.2T patent/ES2644726T3/es active Active
- 2014-12-22 EP EP14199849.2A patent/EP3037360B1/fr active Active

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE20311386U1 (de)	2003-07-25	2003-10-16	Bischof + Klein GmbH & Co. KG, 49525 Lengerich	Verpackungsbehälter aus Kunststoffolie
EP1792722B1 (fr)	2006-10-02	2008-11-26	Nordenia Deutschland Halle GmbH	Poche d'emballage
EP2148820B1 (fr)	2007-05-31	2012-02-29	Nordenia Deutschland Halle GmbH	Sac d'emballage en film
EP2039620B1 (fr)	2007-09-19	2010-09-08	Nordenia Deutschland Halle GmbH	Sachet à soufflet latéral
EP2386493A1 (fr) *	2010-05-12	2011-11-16	Nordenia Deutschland Halle GmbH	Sac à fond plat tenant debout composé d'une feuille plastique pouvant être scellée à chaud

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US20220097942A1 (en) *	2019-01-10	2022-03-31	Positive Packaging United (ME)FZCO	A panel for a flexible package
US12214948B2 (en) *	2019-01-10	2025-02-04	Positive Packaging United (Me) Fzco	Panel for a flexible package
CN110329648A (zh) *	2019-06-27	2019-10-15	上海洲泰轻工机械制造有限公司	一种具备提手的包装袋及其制备方法和设备
CN110329648B (zh) *	2019-06-27	2024-04-12	上海洲泰轻工机械制造有限公司	一种具备提手的包装袋及其制备方法和设备

Also Published As

Publication number	Publication date
ES2644726T3 (es)	2017-11-30
EP3037360B1 (fr)	2017-09-13
HUE037215T2 (hu)	2018-08-28

Publication	Publication Date	Title
EP1792722B1 (fr)	2008-11-26	Poche d'emballage
DE102004026980B4 (de)	2007-01-18	Standbeutel mit optimiertem Aufreißverhalten und Verfahren zu seiner Herstellung
EP2039620B1 (fr)	2010-09-08	Sachet à soufflet latéral
DE60219688T2 (de)	2007-12-27	Verpackung, wie zum beispiel beutel, mit ausgerichteter aufreissöffnung
EP3037254B1 (fr)	2020-04-15	Procédé de fabrication d'un sachet tissé en matière plastique et sachet tissé en matière plastique
EP2354026B1 (fr)	2012-08-22	Sachet à soufflets latéraux et procédé de fabrication d'un sachet à soufflets latéraux
EP2374604B1 (fr)	2012-06-27	Couvercle à feuille destiné à la fermeture d'un récipient et son procédé de fabrication
EP1777167B1 (fr)	2009-03-11	Sachet d'emballage en film
EP2455301B1 (fr)	2013-07-24	Laminé en films pour la fabrication d'emballages en sachets dotés d'une poignée en film intégrée et procédé de fabrication du laminé
EP1791764B1 (fr)	2011-03-23	Sachet tubulaire refermable et decoupe pour celui-ci
EP2792609A1 (fr)	2014-10-22	Récipient d'emballage pour produits en vrac
EP3037360B1 (fr)	2017-09-13	Sac d'emballage en film et procédé de fabrication de sacs d'emballage en film
EP2998236B1 (fr)	2017-06-07	Sachet à soufflets latéraux et procédé de fabrication d'un sachet à soufflets latéraux
EP2368706A1 (fr)	2011-09-28	Procédé de fabrication d'un sachet à soufflets latéraux
EP2186742B1 (fr)	2011-01-12	Sac d'emballage en film, en particulier pour matière de remplissage poudreuse et poussiéreuse
EP1426301B1 (fr)	2009-10-21	Sachet tubulaire pour liquides
DE102009043360A1 (de)	2011-05-05	Aufreißverpackung
EP2284090B1 (fr)	2013-02-27	Sac et son procédé de fabrication
DE202014010978U1 (de)	2017-03-22	Folienverpackungsbeutel
DE60009418T2 (de)	2005-03-10	Stossdämpfendes Verpackungsmaterial
EP2868594A1 (fr)	2015-05-06	Sachet composite en tissu en matière plastique
DE102012106386A1 (de)	2014-01-16	Band, Verpackung mit einem solchen Band sowie Verwendung des Bandes zum Herstellen einer Verpackung
DE102008064308A1 (de)	2010-07-01	Verfahren zum Bearbeiten einer Materialbahn
EP2377682A1 (fr)	2011-10-19	Procédé de fabrication d'une feuille d'emballage multicouche
DE102008035700A1 (de)	2010-02-04	Verpackung aus Kunststofffolie

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