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EP1712482B1 - Sac - Google Patents

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Publication number
EP1712482B1
EP1712482B1 EP06013692A EP06013692A EP1712482B1 EP 1712482 B1 EP1712482 B1 EP 1712482B1 EP 06013692 A EP06013692 A EP 06013692A EP 06013692 A EP06013692 A EP 06013692A EP 1712482 B1 EP1712482 B1 EP 1712482B1
Authority
EP
European Patent Office
Prior art keywords
bag
film
layer
foil
heat
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.)
Not-in-force
Application number
EP06013692A
Other languages
German (de)
English (en)
Other versions
EP1712482A1 (fr
Inventor
Marcus Kujat
Alfons Kruse
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 Halle GmbH
Original Assignee
Nordenia Deutschland Halle 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.)
Filing date
Publication date
Priority to AT06013692T priority Critical patent/ATE416989T1/de
Priority to ES06013692T priority patent/ES2314785T3/es
Priority to DE502006002295T priority patent/DE502006002295D1/de
Priority to EP06013692A priority patent/EP1712482B1/fr
Priority to DE202006020629U priority patent/DE202006020629U1/de
Priority to PL06013692T priority patent/PL1712482T3/pl
Priority to DK06013692T priority patent/DK1712482T3/da
Application filed by Nordenia Deutschland Halle GmbH filed Critical Nordenia Deutschland Halle GmbH
Publication of EP1712482A1 publication Critical patent/EP1712482A1/fr
Priority to CA2592672A priority patent/CA2592672C/fr
Priority to US11/824,272 priority patent/US7866885B2/en
Application granted granted Critical
Publication of EP1712482B1 publication Critical patent/EP1712482B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B65D33/10—Handles formed of similar material to that used for the bag
    • B65D33/105—U-shaped
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/74—Auxiliary operations
    • B31B70/86—Forming integral handles or mounting separate handles
    • B31B70/864—Mounting separate handles on bags, sheets or webs

Definitions

  • the invention relates to a foil bag with bag surfaces and at least one carrying handle made of a heat-sealable film, wherein the bag surfaces have a bag-inside layer of a heat-sealable material.
  • the foil bag can be designed, for example, as an open carrying bag or as a closed foil packaging bag. With the help of the carrying handle even large and heavily loaded foil bags can be easily transported.
  • Film packaging bags are particularly suitable for packaging bulk goods such as pelleted pet food, detergents, cat litter, road salt or powdery or granular construction materials.
  • a trained as a carrying bag foil bag with the features described above and a method for producing the foil bag are from the document DE 101 37 844 A1 known.
  • a designed as a gusseted bag, closed packaging bag made of paper or plastic is from the document DE 93 05 817 U1 known.
  • a carrying handle is adhered to an inner surface of the packaging bag on a transverse connecting strip.
  • the bag can be opened by means of a tearing thread which extends in the vertical direction.
  • the invention has for its object to provide a film bag with the features described above, in which a flexible arrangement of Carrying handle is possible with a largely free design of the bag outside.
  • the object is solved by the features of claim 1.
  • the openings and thus also the ends of the at least one carrying handle can be placed anywhere on the bag surfaces of the foil bag, for. B. the front surfaces are positioned. Since neither the foil sheets nor the ends of the carrying handle are connected to the outer surface of the film bag, suitable foils for the film bag, which can be determined largely freely with respect to the outer material.
  • one end of the carrying handle is assigned to exactly one sheet of foil.
  • two openings in one of the front walls may be covered by a common foil strip sealed onto the inner surface of the film.
  • the film bag has two carrying handles, wherein in each case a carrying handle is arranged on each front surface of the film bag.
  • the inventive design of the film bag allows a secure attachment of the at least one Carrying handle.
  • the outer surface of the film may have a polymer composition which is difficult or impossible to seal and / or a coating with a printing ink or a protective lacquer.
  • direct sealing of the carrying handle to the outer surface may be disadvantageous since material weakenings occurring in the region of the seal can lead to a reduction in the maximum load of the film pouch.
  • the film bag can be designed as an open at the top of carrying bag or as a closed, tear-open film packaging bag.
  • a reclosure is arranged above the ends of the at least one carrying handle.
  • the reclosure is expediently arranged on the heat-sealable inner surface of the film.
  • a reclosure on two strip-shaped closure elements wherein one of the closure elements has a groove which engages in a protrusion of the other closure element by clamping.
  • a closure by an adhesive strip is possible.
  • as a carrying bag can be temporarily closed by re-closing the foil bag.
  • the reclosure makes it possible to re-close after the film bag has been torn open, as a result of which the storability of the material remaining in the bag can be increased.
  • the inventive design allows a largely independent and free positioning of the reclosure on the one hand and the at least one carrying handle on the other hand, whereby the production and handling of the foil bag facilitates become.
  • the foil strips must overlap the respective associated opening to the extent that a foil overlap region which is sufficient for heat sealing and the foil adjoining the opening is available around the opening.
  • the foil strips are fastened to the bag surfaces on the bag-inside layer by a continuous, self-contained sealed seam which surrounds the associated opening.
  • a continuous, self-contained sealed seam ensures a high load-bearing capacity and, on the other hand, makes it possible to seal the opening airtight, in particular in the case of a film bag designed as a foil packaging bag.
  • the shape of the openings and the foil strip is not limited within the scope of the invention.
  • the openings and foil strips can be made, for example, round, angular or even oval.
  • the ends of the at least one carrying handle can each be connected by a self-contained sealed seam with the associated foil sheet.
  • this closed sealing seam can be round, oval or rectangular with preferably rounded corners.
  • a continuous, self-contained and sufficiently wide sealed seam ensures a secure attachment of the ends of the at least one carrying handle to the associated foil slips.
  • the first side of the film pile and the heat-sealable layer on the inside of the bag on the one hand and / or the first side of the film pile and the associated side of the carrying handle sealed onto the film strip are preferably made of the same polymer or a similar polymer to ensure good sealability.
  • Foil, foil and handle can be coextruded or laminated without restriction in two or more layers.
  • the foil tape, the film from the the foil bag is made, and the carrying handle have a same structure.
  • the thickness, the structure and the composition of the foil strip, the foil of the foil pouch and the at least one carrying handle are precisely matched to the respective function.
  • the film tabs and / or the at least one carrying handle in particular to increase the carrying capacity, can also be formed from a multilayer coextruded or laminated film and / or fiber-reinforced. Since the load is distributed by the carrying handle on the foil tape surface on the front walls, a very uniform force distribution can be achieved.
  • the film from which the film bag is made must have sufficient sealability on its inner surface for connection to the film sheets.
  • the bag surfaces preferably consist of an at least two-layer composite film which has a polyolefinic inner layer and a non-sealable outer layer.
  • the composite film has, for example, an inner layer of a polymer from the group polyethylene (PE), polypropylene (PP), polyethylene copolymer, polypropylene copolymer and mixtures of these polymers and an outer layer of a polymer from the group polyethylene terephthalate (PET) and biaxially oriented polypropylene (BO-PP).
  • the inner layer has a very good sealability, in particular if the first side of the heat-sealable film strip consists of the same polymer or is based on the same polymer.
  • the outer layer does not have to be sealable. Both PET and BO-PP are characterized by good printability and good mechanical properties. An imprint may be provided on the outside or in the case of a laminated film on the inside of the second film layer forming the outer surface. Between the first film layer and the second film layer, it is also possible to arrange further functional layers or adhesion promoter layers.
  • the sealable first film layer has a lower melting temperature than the second film layer, so that at a suitable sealing temperature only the first Foil layer melts. The melting temperature can be precisely adjusted by selecting a copolymer or a polymer blend.
  • the bag outside in the context of the invention may have a particularly appealing, high-quality appearance.
  • the ends of the at least one carrying handle completely obscure the respectively associated openings on the outside of the bag, so that the underlying foil strip is not visible.
  • the carrying handle extends outside the associated front wall. He limits the front wall in a bulging and heavily loaded foil bag, whereby the upper edge of the foil bag is supported and also the risk of tearing off the carrying handle is reduced.
  • the carrying handle can consist of a simple foil strip. It may be angled angularly at its central portion or run along a U-shaped arc.
  • the film bag is formed by folding and sealing the film as gusseted bags and has gussets which connect the lateral edges of the front walls.
  • the foil bag in the filled state is approximately cuboid and can be worn and placed so easily and space-saving.
  • two front surfaces are connected directly to one another along marginal sealing seams.
  • Fig. 1 is a film bag designed as a foil pouch 1 with two formed of a film 2 front walls 3 and two heat-sealable handles 4 shown.
  • the film 2 has a bag-inside layer 5 of a heat-sealable material.
  • the front walls 3 or bag surfaces contain window-like, spaced from the edges of the foil bag 1 openings 7, which are each covered by exactly one associated foil 8.
  • the film tabs 8 are each sealed with a heat sealable first side 9 in an area surrounding the opening 7 on the bag inner side layer 5 of the film 2, wherein ends 10 of the handles 4 each within an associated opening 7 on the heat-sealable first side 9 of the opening. 7 covering foil 8 are sealed.
  • Each of the carrying handles 4 is associated with one of the front walls 3.
  • the sealed within the associated openings 7 on the first side 9 of the opening 7 covering foil 8 8 ends 10 of the carrying handles 4 cover the openings 7 completely, so that the foil strips 8 are not visible on the outside of the bag.
  • the foil bag 1 has an imprint 15 visible on the outside of the bag.
  • Fig. 2 shows the in Fig. 1 shown foil pouch 1 in a perspective sectional view.
  • the film 2, from which the film bag 1 is folded and sealed, consists of a composite film and has a bag-side layer 5 of a polyolefin, for. As polyethylene (PE), and an outer layer of polyethylene terephthalate (PET).
  • the PET layer is printed on the side facing the first layer 5.
  • one or more intermediate layers for example adhesion promoter layers and barrier layers, may be arranged.
  • the window-like, approximately rectangular opening 7 is covered on the inside of the bag by the sheet of foil 8, which overlaps the opening 7 edge.
  • the first side 9 of the foil 8 is like the inner surface 5 of the film 2 made of polyethylene (PE), whereby a good sealability is ensured.
  • the film strip 8 has a multilayer structure, wherein a barrier layer, for example made of PET, may be provided on a second side 19 facing the inside of the bag for sealing the film bag 1.
  • the carrying handle 4 consists for example of a polyethylene monofilm and is sealed at its end 10 on the outside of the bag along a continuous, self-contained sealed seam 18 'on the first side 9 of the film pile 8.
  • the reclosure arranged above the opening 7 behind the weakening line 12 has a first strip-shaped closure element 14 with a projection which engages in a groove of the second strip-shaped closure element 14 '.
  • the closure elements 14, 14 ' are sealed on one of the front walls 3 on the bag inner side layer 5 of the film 2, wherein the second closure element 14' for attachment to the front wall 3 has a connecting portion.
  • Fig. 3 shows a trained as a carrier bag film bag 1, in which the front walls 3 connected along marginal seal seams 20 directly to each other are.
  • the ends 10 of the carrying handles 4 do not completely cover the openings 7, so that a foil strip 8 covering both openings 7 on the inside of the bag is partly visible on the outside of the bag.
  • the bag-inside layer 5 of the film 2 is formed from a first film layer of a polypropylene (PP) blend or a polypropylene copolymer, wherein the printed outer surface of the film 2 of a second film layer of biaxially oriented polypropylene (BO-PP) is formed.
  • the polymer of the first film layer is chosen so that it has a lower melting temperature than the second film layer and is characterized by a very good sealability.
  • the in Fig. 2 illustrated film 8 and the carrying handles 4 are formed as monofilms of the same polymer as the first film layer.
  • the openings 7 are surrounded on the inside of the bag layer 5 of the film 2 by continuous, self-contained sealing seams 18, through which the film strip 8 is attached to the bag inner side layer 5 of the film 2.
  • the two approximately rectangular sealing seams 18 are connected by two horizontally extending sealing seams 18 ", which results in a very high load-bearing capacity of the film bag 1.
  • the ends 10 of the carrying handle 4 are each provided with a self-contained, approximately oval sealed seam 18 '. attached to the film strip 8.
  • Above the openings 7 a reclosure 13 is arranged, with which the open at its upper edge 11 film bag 1 can be closed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bag Frames (AREA)
  • Laminated Bodies (AREA)
  • Wrappers (AREA)
  • External Artificial Organs (AREA)
  • Packages (AREA)

Claims (7)

  1. Sachet en forme de feuille (1) comprenant des surfaces de sachet (3) et au moins une poignée de manutention (4) constituée d'une feuille pouvant être scellé à chaud, les surfaces de sachet (3) présentant des ouvertures (7) de type fenêtre, espacées des bords du sachet en forme de feuille (1), lesquelles ouvertures sont recouvertes sur le côté intérieur du sachet par des fiches de feuille (8) et des extrémités (10) de la au moins une poignée de manutention (4) étant scellées respectivement à l'intérieur d'une ouverture (7) attribuée sur un premier côté (9) pouvant être scellé à chaud de la fiche de feuille (8) recouvrant l'ouverture (7), caractérisé en ce que les fiches de feuille (8) avec le premier côté (9) pouvant être scellé à chaud sont scellées sur une couche (5) côté intérieur du sachet, formé dans un matériau pouvant être scellé à chaud, de la surface de sachet (3), et en ce que les ouvertures (7) sont entourées respectivement d'un cordon de scellement (18) continu et fermé sur lui-même, par laquelle la fiche de feuille (8), qui est attribuée à l'ouverture (7) est fixée sur la couche (5), côté intérieur du sachet, de la surface de sachet (3).
  2. Sachet en forme de feuille 1 selon la revendication 1, caractérisé en ce que le sachet en forme de feuille (1) est réalisé sous la forme de sachet d'emballage en feuille fermé et pouvant être déchiré.
  3. Sachet en forme de feuille selon la revendication 1 ou 2, caractérisé en ce que le sachet en forme de feuille (1) présente une refermeture (13) disposée au-dessus des extrémités (10) de la au moins une poignée de manutention (4).
  4. Sachet en forme de feuille selon l'une quelconque des revendications 1 à 3, caractérisé en ce que le sachet en forme de feuille (1) présente une surimpression (15) visible sur le côté extérieur du sachet.
  5. Sachet en forme de feuille selon l'une quelconque des revendications 1 à 4, caractérisé en ce que les extrémités (10) de la au moins une poignée de manutention (4) sont reliées respectivement par un cordon de scellement (18') fermé sur lui-même avec la fiche de feuille (8) attribuée.
  6. Sachet en forme de feuille selon l'une quelconque des revendications 1 à 5, caractérisé en ce que les surfaces de sachet (3) sont à base d'un film composite (2) au moins à deux couches, qui présente une couche intérieure polyoléfine et une couche extérieure ne pouvant pas être scellée.
  7. Sachet en forme de feuille selon la revendication 6, caractérisé en ce que la feuille composite (2) présente une couche (5) côté intérieur du sachet à base d'un polymère choisi dans le groupe polyéthylène (PE), polypropylène (PP), copolymère de polyéthylène, copolymère de polypropylène ainsi que mélanges de ces polymères et une couche extérieure à base d'un polymère choisi dans le groupe polyéthylènetéréphtalate (PET) et polypropylène (BO-PP) orienté biaxialement.
EP06013692A 2006-07-01 2006-07-01 Sac Not-in-force EP1712482B1 (fr)

Priority Applications (9)

Application Number Priority Date Filing Date Title
DE502006002295T DE502006002295D1 (de) 2006-07-01 2006-07-01 Folienbeutel
EP06013692A EP1712482B1 (fr) 2006-07-01 2006-07-01 Sac
DE202006020629U DE202006020629U1 (de) 2006-07-01 2006-07-01 Folienbeutel
PL06013692T PL1712482T3 (pl) 2006-07-01 2006-07-01 Torba foliowa
AT06013692T ATE416989T1 (de) 2006-07-01 2006-07-01 Folienbeutel
ES06013692T ES2314785T3 (es) 2006-07-01 2006-07-01 Bolsa de pelicula.
DK06013692T DK1712482T3 (da) 2006-07-01 2006-07-01 Foliepose
US11/824,272 US7866885B2 (en) 2006-07-01 2007-06-29 Film bag
CA2592672A CA2592672C (fr) 2006-07-01 2007-06-29 Sac en pellicule

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06013692A EP1712482B1 (fr) 2006-07-01 2006-07-01 Sac

Publications (2)

Publication Number Publication Date
EP1712482A1 EP1712482A1 (fr) 2006-10-18
EP1712482B1 true EP1712482B1 (fr) 2008-12-10

Family

ID=36889274

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06013692A Not-in-force EP1712482B1 (fr) 2006-07-01 2006-07-01 Sac

Country Status (8)

Country Link
US (1) US7866885B2 (fr)
EP (1) EP1712482B1 (fr)
AT (1) ATE416989T1 (fr)
CA (1) CA2592672C (fr)
DE (1) DE502006002295D1 (fr)
DK (1) DK1712482T3 (fr)
ES (1) ES2314785T3 (fr)
PL (1) PL1712482T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2354026A1 (fr) 2010-02-10 2011-08-10 Nordenia Deutschland Halle GmbH Sachet à soufflets latéraux et procédé de fabrication d'un sachet à soufflets latéraux

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL1792722T3 (pl) * 2006-10-02 2009-04-30 Nordenia Deutschland Halle Gmbh Torba foliowa opakowaniowa
DE102006051005A1 (de) * 2006-10-26 2008-04-30 Henkel Kgaa Beutel mit Öffnungshilfe und Tragevorrichtung
US20090277916A1 (en) * 2008-05-06 2009-11-12 Mark Steele Package with strap handle
US20120093441A1 (en) * 2008-09-02 2012-04-19 Brian George Hutchison Bag with handle and method of manufacture thereof
US20090022430A1 (en) * 2008-09-02 2009-01-22 Peel Plastic Products Ltd. Bag with handle and method of manufacture thereof
DE102009004324A1 (de) 2009-01-10 2010-07-15 Nordenia Deutschland Halle Gmbh Verfahren zur Herstellung eines Folienbeutels
EP2305572B1 (fr) 2009-09-30 2012-07-18 Mondi AG Procédé et dispositif de fabrication d'un sac doté d'une poignée
DE202009017081U1 (de) * 2009-12-19 2010-03-11 B & B - Maf Gmbh & Co. Kg Seitenfaltenbeutel mit Tragegriff
US8430566B2 (en) 2010-05-03 2013-04-30 Mondi Jackson, Inc. Side-gusseted bag and method for manufacturing same
US8322923B2 (en) 2010-06-15 2012-12-04 Mondi Jackson, Inc Film bag with handle
IT1400802B1 (it) * 2010-06-23 2013-07-02 Sacchettificio Naz G Corazza Spa Sacco da imballaggio
ITMI20130256A1 (it) * 2013-02-22 2014-08-23 Prada S A Procedimento per applicare maniglie a borse o valigie, nonche' borsa o valigia prodotta con questo procedimento
US20140294322A1 (en) * 2013-03-27 2014-10-02 Google Inc. Sealable Bag Assembly
JP6236103B2 (ja) * 2016-03-01 2017-11-22 本田技研工業株式会社 燃料電池スタック
DE202017105180U1 (de) 2017-08-28 2017-11-03 Papier-Mettler Kg Kunststofftragetasche und Halteschlaufe für eine Kunststofftragetasche
US20210282516A1 (en) * 2020-03-10 2021-09-16 Cecile Rabiea Convertible reusable bag apparatus and methods of manufacture thereof

Family Cites Families (8)

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Publication number Priority date Publication date Assignee Title
GB1180237A (en) * 1966-06-01 1970-02-04 Dickinson John & Co Ltd Improvements in or relating to Carrier Bags and the like and Method of Affixing Handles thereto
US3507194A (en) * 1966-10-31 1970-04-21 August Schwarzkopf Process and apparatus for making a carrying bag of plastic material
DE1586988A1 (de) * 1967-05-02 1970-09-24 Windmoeller & Hoelscher Sack oder Beutel mit Traggriffen
US3504845A (en) * 1967-05-16 1970-04-07 Windmoeller & Hoelscher Bag or sack
BE755472A (fr) * 1969-08-29 1971-02-01 Lehmacher Hans Sac ainsi que procede et dispositifs pour sa fabrication
DE9305817U1 (de) 1993-04-19 1993-09-02 Nord-West Verpackung Karl Götze GmbH & Co. KG, 51789 Lindlar Seitenfaltenbeutel
DE10137844B4 (de) * 2001-08-02 2010-02-25 Windmöller & Hölscher Kg Verfahren zur Herstellung von Schlaufengrifftragetaschen
EP1773673A1 (fr) * 2004-05-21 2007-04-18 Ashok Chaturvedi Emballage flexible refermable et procede de fabrication associe

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2354026A1 (fr) 2010-02-10 2011-08-10 Nordenia Deutschland Halle GmbH Sachet à soufflets latéraux et procédé de fabrication d'un sachet à soufflets latéraux
US8597168B2 (en) 2010-02-10 2013-12-03 Nordenia Deutschland Halle Gmbh Method of making bag with handle on side gusset

Also Published As

Publication number Publication date
ES2314785T3 (es) 2009-03-16
US20080013866A1 (en) 2008-01-17
PL1712482T3 (pl) 2009-05-29
DK1712482T3 (da) 2009-03-23
CA2592672A1 (fr) 2008-01-01
ATE416989T1 (de) 2008-12-15
EP1712482A1 (fr) 2006-10-18
DE502006002295D1 (de) 2009-01-22
US7866885B2 (en) 2011-01-11
CA2592672C (fr) 2014-10-28

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