EP2455301B1 - Laminé en films pour la fabrication d'emballages en sachets dotés d'une poignée en film intégrée et procédé de fabrication du laminé - Google Patents

Laminé en films pour la fabrication d'emballages en sachets dotés d'une poignée en film intégrée et procédé de fabrication du laminé Download PDF

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Publication number
EP2455301B1
EP2455301B1 EP10191569.2A EP10191569A EP2455301B1 EP 2455301 B1 EP2455301 B1 EP 2455301B1 EP 10191569 A EP10191569 A EP 10191569A EP 2455301 B1 EP2455301 B1 EP 2455301B1
Authority
EP
European Patent Office
Prior art keywords
film
laminate
separating cuts
film laminate
reinforcement strip
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
EP10191569.2A
Other languages
German (de)
English (en)
Other versions
EP2455301A1 (fr
Inventor
Matthias Perick
Markus Wielens
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 Gronau GmbH
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.)
Filing date
Publication date
Application filed by Mondi Consumer Packaging Technologies GmbH filed Critical Mondi Consumer Packaging Technologies GmbH
Priority to EP10191569.2A priority Critical patent/EP2455301B1/fr
Priority to ES10191569T priority patent/ES2431946T3/es
Priority to US13/294,353 priority patent/US8844246B2/en
Priority to MX2011012157A priority patent/MX2011012157A/es
Priority to CA2758402A priority patent/CA2758402A1/fr
Publication of EP2455301A1 publication Critical patent/EP2455301A1/fr
Application granted granted Critical
Publication of EP2455301B1 publication Critical patent/EP2455301B1/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
    • 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
    • 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
    • B31B70/876—Forming integral handles or mounting separate handles involving application of reinforcement strips or patches; involving reinforcements obtained by folding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B29/00—Packaging of materials presenting special problems
    • B65B29/02—Packaging of substances, e.g. tea, which are intended to be infused in the package
    • B65B29/04—Attaching, or forming and attaching, string handles or tags to tea bags
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y10T156/1002—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina
    • Y10T156/1039—Surface deformation only of sandwich or lamina [e.g., embossed panels]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/15—Sheet, web, or layer weakened to permit separation through thickness

Definitions

  • the invention relates to a film laminate from which bag packaging with integrated film handle can be produced in a tubular bag machine.
  • the DE 202009012135 U1 relates to a film laminate and a method of making this laminate from which bag packages are made.
  • VFFS tubular bag machines As a tubular bag machine is referred to in the context of the invention, a packaging machine, which operates according to the so-called VFFS (vertical form fill sealing) method.
  • VFFS tubular bag machines In a flow wrapper operating according to the VFFS principle, the film laminate is formed into a tube and tube sections are filled with product and sealed with sealing seams. Throughout the process, the web forming the tube is moved vertically downwards.
  • VFFS tubular bag machines are primarily used for the packaging of powdered and granulated solids, eg. B. dry food for animals used. They are characterized by high machine speeds and enable economical production and filling of bags for pourable products.
  • Pouches that have been molded and filled in VFFS tubular bag machines may have handle punches in the head area which are inserted in the bagging machine during the VFFS process. Disadvantage of this bag packaging is an often difficult combination of the head side mounted Griffausstanzache with opening aids, eg. B. perforations. Also, the design of a simple removal opening is complicated by head-side Griffausstanzache.
  • pouches are preferably used, which have a handle loop in a side surface formed as a side fold.
  • the handle loop is glued or sealed in the context of the measures known from practice.
  • Such handle designs hinder the processing of the film laminate in a VFFS tubular film machine. In most cases, the machine speed of the tubular bag machine is impaired so much by the application of the film handles that it no longer works economically.
  • prefabricated bags are used, which are individually fed to a filling machine and filled. The production of these prefabricated bags and their filling is, however, much more expensive than the production and filling of bags in VFFS tubular bag machines.
  • the known gusseted bags are prefabricated as a single bag and filled in a separate filling with the packaged goods.
  • the bag wall of the gusseted bags consists of a film laminate which has a printable outer film and a sealable film bonded to the outer film.
  • a reinforcing sheet has been laminated between the sealable foil and the outer foil, which is glued only to the outer foil.
  • the film handle is formed by inserting separating cuts which pass through the outer film and the reinforcing sheet joined to the outer film.
  • the sealable inner foil of the packaging remains intact and seals the interior of the pouch packaging.
  • the grip loop formed by separating cuts merges integrally at its ends into the bag wall.
  • the WO 2008/038308 A1 refers to pouches with integrated handle, which are made of a two-ply foil laminate.
  • the film laminate has a printable outer film and a sealable film bonded thereto.
  • In the grip area are the outer foil and the inner sealable Film not glued.
  • In the outer film Griffausstanzungen be introduced so that the outer film forms a handle loop.
  • the handle loop is not reinforced and therefore only suitable for packaging products that have a low weight.
  • the invention has for its object to provide a web-shaped material from which bag packaging can be made in VFFS tubular bag systems, which have an integrated film handle.
  • the film handle on a side surface of the bag package.
  • the inventive film laminate has an outer film, a sealed with this sealable film and a laminated between the outer film and the sealable film and adhered only to the outer film continuous Reinforcement strip on.
  • the outer film is a film which forms the outside of the bag from a pouch packaging produced from the film laminate.
  • the outer foil is printable.
  • the reinforcing strip is narrower than the material web and extends over the entire length of the material web.
  • the film laminate according to the invention is suitable for the production of bag packaging with integrated film handle by means of a tubular bag machine, in which the film laminate is formed into a tube and tube sections filled with products and sealed with sealing seams.
  • the film handles are formed by inserting separating strips into the outer film of the film laminate and the reinforcing strip connected to the outer film.
  • the sealable film remains intact.
  • the separating cuts can be introduced into the VFFS tubular bag system or prepared in the material web before they are rolled up into a film roll becomes. It is not possible to insert the separating cuts in the outer foil before it is glued to the sealable foil, since the laminating adhesive would penetrate through the slits and would stick the layers on the roll.
  • the reinforcing strip is preferably arranged in a region of the film laminate which is formed in the tubular bag machine into a gusset of the bag packaging.
  • the separating cuts for producing the film handles can be introduced by punching into the film laminate or produced by means of a CO 2 laser beam.
  • the laser cutting can be used without problems in non-polyolefin films, in particular films of polyethylene terephthalate (PET). PET is easy to cut with CO 2 lasers. In polyolefinic films, laser cutting is problematic because many polyolefins absorb the radiation of the CO 2 laser only weakly and thus the desired cutting effect is absent. If PE / PE composite films are used as film laminate, absorptive active substances are added to the outer film and / or the reinforcing strip to laser. Suitable laser absorptive active substances are, for example, mixed silicates.
  • the separating cuts are preferably delimited at their ends by sections which are U-shaped or circular or connect as arcs to a linear section of the separating cuts. Through these sections, the introduction of force is improved by the film handle on the wall surface of the bag packaging.
  • the invention also provides a method according to claim 7 for the production of a film laminate from which pouches with integrated handle can be made in a tubular pouch machine.
  • Production of the film laminate is a film web of an outer film over the entire surface coated with a laminating adhesive.
  • a material web of a sealable film is applied to the adhesive layer and pressed in a laminating gap between a laminating roller and a impression roller with the film web and the adhesive layer.
  • the laminating gap is fed with a reinforcing strip. This is brought into contact between the printed film web and the sealable film with the adhesive layer.
  • the peripheral surface of the impression roller preferably has a depression which is matched to the film thickness and film width of the reinforcing strip so that a uniform pressing pressure prevails in the laminating gap over the entire web width of the film laminate.
  • weakening lines or separating cuts for producing film handles can be introduced into the film laminate, which pass through only the outer film and the reinforcing strips connected to the outer film.
  • the separating cuts can be introduced by punching into the film laminate.
  • the reinforcing strip connected to the outer film and the sealable film are expediently guided over a separating plate on both sides.
  • the separating cuts for producing the film handles can alternatively also be produced by means of a CO 2 laser.
  • the sealable film of the film laminate is usually made of a polyolefin, in particular polyethylene.
  • the absorption capacity of polyethylene for the radiation of a CO 2 laser is low.
  • the outer film as well as the reinforcing strip contain, if necessary, laser absorptive substances that laser cutting improve.
  • laser absorptive substances are mixed silicates, eg. As lepidolite, porphyr, phonolite or kaolinite.
  • a printed film web 1 is coated over its entire surface with a laminating adhesive 2.
  • a material web 3 made of a sealable film is applied to the adhesive layer 2 and pressed in a laminating gap 4 between a laminating roller 5 and a impression roller 6 with the film web 1 and the adhesive layer 2.
  • the reinforcing strip 7 extends continuously over the entire length of the film laminate 8 and is between the printed film web 1 and the sealable film 3 with the adhesive layer 2 brought into contact.
  • the reinforcing strip 7 is characterized firmly connected to the printed film web 1, while he received with the sealable film 3 no connection.
  • Film handles 10 are formed by introducing separating cuts 11 in the film laminate 8.
  • the separating cuts 11 pass through only the printed outer film 1 of the film laminate 8 and the reinforcing strip 7 connected to the outer film 1, while the sealable film 3 remains intact.
  • the Fig. 3 shows separating cuts 11 on a bag 13, which has been made from the film laminate 8.
  • the separating cuts 11 can be produced by punching or by means of CO 2 laser beams.
  • the Fig. 4a to 4e show various handle shapes that can be produced by separating cuts 11 in the film laminate.
  • the separating cuts 11 respectively penetrate only the outer film 1 and the reinforcing strip 7 of the film laminate 8, while the sealable film remains intact.
  • the separating cuts 11 are delimited at their ends by sections 12 which are U-shaped in accordance with FIG Fig. 4a and 4e or circular accordingly Fig. 4b are formed or according to the representations in Fig. 4c or Fig. 4d as arcs connect to a linear section of the cuts.
  • the film laminate 8 can be processed in a tubular bag machine, in which the film laminate 8 is formed into a tube and tube sections filled with product and sealed with sealing seams.
  • the separating cuts 11 for producing the film handle 10 can be introduced into the tubular bag machine. However, it is also possible to introduce the separating cuts 11 into the film laminate 8 before it is wound up into a film roll.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Making Paper Articles (AREA)
  • Bag Frames (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Packages (AREA)

Claims (11)

  1. Utilisation d'un film laminé enroulé en un rouleau de film qui comporte un film extérieur (1), un film scellable (3) collé sur ce dernier, ainsi qu'un ruban de renfort (7) continu, contrecollé entre le film extérieur (1) et le film scellable (3) et collé uniquement sur le film extérieur (1) pour la fabrication d'emballages par sachets avec une poignée en film (10) intégrée au moyen d'une ensacheuse verticale, dans laquelle le film laminé (8) est conformé en un tube et des sections de tube sont remplies de produit et fermées par des joints de scellement, les poignées en film (10) étant formées par ménagement de coupes de sectionnement (11) dans le film extérieur (1) du film laminé (8) ainsi que dans le ruban de renfort (7) relié au film extérieur.
  2. Utilisation d'un film laminé selon la revendication 1, le ruban de renfort (7) étant disposé dans une zone du film laminé (8) qui dans l'ensacheuse verticale est façonnée en un pli latéral des emballages par sachets
  3. Utilisation d'un film laminé selon la revendication 1 ou la revendication 2, les coupes de sectionnement (11) étant ménagées pour créer les poignées en film (10) par découpage dans le film laminé (8).
  4. Utilisation d'un film laminé selon la revendication 1 ou la revendication 2, les coupes de sectionnement (11) pour la création des poignées en film (10) étant créées au moyen d'un faisceau laser CO2.
  5. Utilisation d'un film laminé selon la revendication 4, le film extérieur (1) et/ou le ruban de renfort (7) contenant des substances actives absorbant le laser.
  6. Utilisation d'un film laminé selon l'une quelconque des revendications 1 à 5, caractérisée en ce que les coupes de sectionnement (11) sont délimitées sur leurs extrémités par des sections (12) qui sont conçues en forme de U ou en forme de cercle ou qui se raccordent sous forme d'arcs à une section linéaire des coupes de sectionnement.
  7. Procédé destiné à la fabrication d'un film laminé, qui est destiné à une utilisation selon l'une quelconque des revendications 1 à 6,
    un lé de film en un film extérieur (1) étant revêtu à pleine surface d'un adhésif de contrecollage (2),
    un lé de film en un film scellable (3) étant appliqué sur la couche d'adhésif (2) et étant comprimé dans un interstice de contrecollage (4) entre un rouleau de contrecollage (5) et un presseur (6) avec le lé de film (1) et avec la couche d'adhésif (2),
    un ruban de renfort (7) étant amené vers l'interstice de contrecollage (4) et mis en contact avec la couche d'adhésif (2) entre le lé de film imprimé (1) et le film scellable (3).
  8. Procédé selon la revendication 7, caractérisé en ce que la surface périphérique du presseur (6) comporte une empreinte (9) qui est adaptée à l'épaisseur de film et à la largeur de film du ruban de renfort (7) de telle sorte que dans l'interstice de contrecollage (4), une pression de compression constante règne sur toute la largeur de lé du film laminé (8).
  9. Procédé selon la revendication 7 ou la revendication 8, caractérisé en ce que dans le film laminé (8), on ménage pour la création de poignées en film (10) des coupes de sectionnement (11) qui ne traversent que le film extérieur (1) et le ruban de renfort (7) relié au film extérieur.
  10. Procédé selon la revendication 9, caractérisé en ce que les coupes de sectionnement (11) pour la création des poignées en film (10) sont ménagées par découpe dans le film laminé (8), le ruban de renfort (7) relié au film extérieur(1) et le film scellable (3) étant conduits bilatéralement sur une tôle de sectionnement.
  11. Procédé selon la revendication 9, caractérisé en ce que les coupes de sectionnement (11) pour la création des poignées en film (10) sont créées au moyen d'un faisceau laser CO2
EP10191569.2A 2010-11-17 2010-11-17 Laminé en films pour la fabrication d'emballages en sachets dotés d'une poignée en film intégrée et procédé de fabrication du laminé Not-in-force EP2455301B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP10191569.2A EP2455301B1 (fr) 2010-11-17 2010-11-17 Laminé en films pour la fabrication d'emballages en sachets dotés d'une poignée en film intégrée et procédé de fabrication du laminé
ES10191569T ES2431946T3 (es) 2010-11-17 2010-11-17 Laminado de película para la fabricación de envases de bolsa con asa de película integrada y procedimiento para la fabricación del laminado
US13/294,353 US8844246B2 (en) 2010-11-17 2011-11-11 Film laminate for the production of bags with an integrated film handle, and method for the production of the laminate
MX2011012157A MX2011012157A (es) 2010-11-17 2011-11-15 Laminado de laminas para la fabricacion de envases en forma de bolsa con asa laminada integrada y procedimiento para la fabricacion del laminado.
CA2758402A CA2758402A1 (fr) 2010-11-17 2011-11-15 Film lamine pour la fabrication de sacs avec poignee integree en film et methode de fabrication du film lamine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP10191569.2A EP2455301B1 (fr) 2010-11-17 2010-11-17 Laminé en films pour la fabrication d'emballages en sachets dotés d'une poignée en film intégrée et procédé de fabrication du laminé

Publications (2)

Publication Number Publication Date
EP2455301A1 EP2455301A1 (fr) 2012-05-23
EP2455301B1 true EP2455301B1 (fr) 2013-07-24

Family

ID=43829324

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10191569.2A Not-in-force EP2455301B1 (fr) 2010-11-17 2010-11-17 Laminé en films pour la fabrication d'emballages en sachets dotés d'une poignée en film intégrée et procédé de fabrication du laminé

Country Status (5)

Country Link
US (1) US8844246B2 (fr)
EP (1) EP2455301B1 (fr)
CA (1) CA2758402A1 (fr)
ES (1) ES2431946T3 (fr)
MX (1) MX2011012157A (fr)

Families Citing this family (6)

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EP3081509A4 (fr) * 2013-12-09 2017-08-30 Fuji Seal International, Inc. Conteneur à pochette et procédé de fabrication de conteneur à pochette
IN2014DE01641A (fr) * 2014-06-18 2015-07-17 Ashok Chaturvedi
CN107207772A (zh) * 2014-12-30 2017-09-26 艾利丹尼森公司 薄膜和薄膜激光器加工
DE102016119113A1 (de) * 2016-06-16 2017-12-21 Windmöller & Hölscher Kg Sack, sowie Verfahren zur Herstellung eines Sackes
US9771186B1 (en) 2016-06-17 2017-09-26 Bag Strategies and Solutions, LLC Shipping bag with non-registering handle
PL243875B1 (pl) * 2018-06-29 2023-10-23 Silbo Spolka Z Ograniczona Odpowiedzialnoscia Sposób wykonania materiału na opakowanie, materiał na opakowanie oraz opakowanie

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DK158254C (da) * 1987-06-01 1990-09-17 Schur Plastic As Pose i blokform og med baeregreb, samt fremgangsmaade til fremstilling af en saadan pose
US5467915A (en) * 1992-10-21 1995-11-21 Roberts Systems, Inc. Lift-up handle
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US6500559B2 (en) * 1998-05-04 2002-12-31 Cryovac, Inc. Multiple layer film with amorphous polyamide layer
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EP1593603A1 (fr) * 2004-05-05 2005-11-09 Amcor Flexibles Europe A/S Emballage obtenu par un procédé vertical ou horizontal de formage-remplissage-scellage et procédé pour fabriquer un tel emballage
US7716901B2 (en) * 2004-05-27 2010-05-18 Price Charles E Packaging for particulate and granular materials
FR2903083B1 (fr) * 2006-07-03 2011-01-21 Autobar Flexible Packasing Sac a soufflets en matiere plastique pour produits alimentaires et son procede de fabrication
EP2107991A1 (fr) 2006-09-25 2009-10-14 Alcan Packaging Arenzano S.p.a. Récipient souple équipé d'une poignée et son procédé de fabrication
US20080096748A1 (en) * 2006-10-23 2008-04-24 Antonevich Donald F Reusable package, apparatus, and method
US20080274239A1 (en) * 2007-05-01 2008-11-06 Kraft Foods Holdings, Inc. Ingredient Package and Method
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WO2010058422A1 (fr) * 2008-11-20 2010-05-27 Ashok Chaturvedi Emballage souple pour emballer un article/une bouteille/un contenant rigide/semi-rigide
DE202009012135U1 (de) * 2009-09-07 2009-11-19 Mondi Ag Auf Papier basierter Beutel mit integriertem Griff

Also Published As

Publication number Publication date
US20120144782A1 (en) 2012-06-14
ES2431946T3 (es) 2013-11-28
EP2455301A1 (fr) 2012-05-23
MX2011012157A (es) 2012-05-21
CA2758402A1 (fr) 2012-05-17
US8844246B2 (en) 2014-09-30

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