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EP2476631A2 - Enveloppe en matériau en feuille pour un produit - Google Patents

Enveloppe en matériau en feuille pour un produit Download PDF

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Publication number
EP2476631A2
EP2476631A2 EP12150566A EP12150566A EP2476631A2 EP 2476631 A2 EP2476631 A2 EP 2476631A2 EP 12150566 A EP12150566 A EP 12150566A EP 12150566 A EP12150566 A EP 12150566A EP 2476631 A2 EP2476631 A2 EP 2476631A2
Authority
EP
European Patent Office
Prior art keywords
case according
product
film
sealing layer
casing
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.)
Withdrawn
Application number
EP12150566A
Other languages
German (de)
English (en)
Other versions
EP2476631A3 (fr
Inventor
Konrad Bantleon
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.)
Chocal Aluminiumverpackungen GmbH
Original Assignee
Chocal Aluminiumverpackungen 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=45444555&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2476631(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Chocal Aluminiumverpackungen GmbH filed Critical Chocal Aluminiumverpackungen GmbH
Publication of EP2476631A2 publication Critical patent/EP2476631A2/fr
Publication of EP2476631A3 publication Critical patent/EP2476631A3/fr
Withdrawn legal-status Critical Current

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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
    • B65D75/28—Articles or materials wholly enclosed in composite wrappers, i.e. wrappers formed by associating or interconnecting two or more sheets or blanks
    • B65D75/30—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding
    • B65D75/32—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding one or both sheets or blanks being recessed to accommodate contents
    • B65D75/321—Both sheets being recessed
    • B65D75/322—Both sheets being recessed and forming one compartment
    • 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
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/18—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient
    • B65D81/20—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas
    • B65D81/2007—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas under vacuum
    • B65D81/2023—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas under vacuum in a flexible container

Definitions

  • the invention relates to a casing made of a film material for a product, in particular for a foodstuff.
  • the invention relates to a molded envelope; Such cases are also referred to as a form pack.
  • a shell made of a thin metal foil is brought into a shell-like shape, for example, to enclose a half of a chocolate article without the risk of tearing the foil.
  • a second half of the film wrapper is arranged and the two wrapper elements are mechanically connected or else welded or glued.
  • a thermoplastic lacquer layer is used to connect the enveloping elements.
  • a gas-tight packaging can not be realized in this way.
  • the casing according to the invention for a product consists of a film material, wherein a casing part is connected along at least one connecting seam to at least one further casing part and wherein the film material of the casing has a metal foil provided with a sealing layer of thermoplastic material.
  • the shell parts form a gas-tight sealed interior for receiving the product. This gas-tight sealer exceeds in terms of their tightness known from the prior art packaging made of a paint layer provided metal foil.
  • a metal foil may on the one hand be a foil made entirely of metallic components.
  • the term "metal foil” used here should also include films with non-metallic components which contain at least one metallic fraction.
  • the gas-tight packaging has, inter alia, the advantage that the shelf life of the packaged product is increased because no germs or fungi can reach the interior from outside the casing.
  • a further increase in the shelf life of the packaged product can be achieved in that the interior is evacuated, ie that the envelope encloses the product thus packaged virtually without air pockets.
  • this measure has the advantage that the contour of the product can be made optimally visible, which has a sales-promoting effect, in particular in the case of aesthetically pleasingly designed products.
  • the free air volume minimized in the interior, so that at the same time, the number of reaching the packaging process in the interior germs or fungi can be reduced, which in turn increases the durability of the product.
  • the connecting seam can be a line that is circumferentially closed around the product or, for example in bag-like sheaths, can only run along a straight or bent seam.
  • a metal foil provided with a sealing layer of thermoplastic material can be used as the film material of the casing.
  • the material used for the sealing layer is polyethylene (high density or low density) or polypropylene of thickness 15 to 45 ⁇ m; Other thermoplastics can be used here.
  • the comparatively thick sealing layer has, inter alia, the advantage that, in contrast to the lacquer foils known from the prior art, a cohesive and, above all, gas-tight connection can be realized, since sufficiently free-flowing thermoplastic material is available during the joining process at virtually every location of the joining seam. to fill in any unevenness or wrinkles in the area of the seam and thus to ensure the tightness of the connection.
  • the sealing layer may have been laminated onto the metal foil or extruded before the packaging process.
  • the material for the metal foil of aluminum thickness of 10 to 40 microns can be used as the material for the metal foil of aluminum thickness of 10 to 40 microns be used.
  • sufficient material thickness is selected to prevent tearing of the film during processing.
  • the material aluminum is therefore an advantageous choice in particular because it has good ductility and high dimensional stability, so that the outer shape of the packaging can be easily produced, for example, by cold forming and at the same time the shape stability of the casing can be ensured over a long period of time so that the packaging retains its pleasing visual appearance even over a long period of time.
  • the sheath can be formed from two film halves. As soon as casings are produced from several film parts, a peripherally closed connecting seam is formed. In this case, the product, for example on the underside or upper side, is only partially covered by the individual film parts.
  • At least one film half may be preformed.
  • the film can be prematurely aligned with the geometry of the product to accommodate, for example, with half-shell shapes, spherical products.
  • Last but not least, an appealing effect can also be achieved via additional aesthetic effects when preforming the envelope.
  • the casing according to the invention allows the packaging of practically arbitrarily shaped products whose shape is apparent in the packaging virtually unchanged to the outside.
  • the sleeve is provided with a pull-tab and any tear-off thread thereon.
  • the tear thread in Inside the package run loose or even at least partially attached to the seal layer.
  • the tear thread on its end facing away from the pull tab in the region of the connecting seam can be materially connected to the sealing layer.
  • the sealing layer according to the invention is formed comparatively thick, a secure connection of the tear thread is achieved in said area, so that the tear thread when opening the packaging of one of the shell parts along a line almost completely ruptures and the product can be easily removed.
  • the thick sealing layer ensures that there are no leaks in the connecting seam in the region of the tear thread, since the thermoplastic material almost completely envelops the end of the tear thread.
  • the tear thread only partially through the interior of the shell to lead.
  • the sheath can additionally be crimped at least in sections along the connecting seam. With a beaded edge, the sealed seam is particularly secured against tearing.
  • edge projecting along the connecting seam is optically adjusted to the outer contour of the product surface and, moreover, the risk of injury at the cut edges of the shell parts is reduced.
  • Fig. 1 is a product 10 with a sealed shell 2 enclosed waterproof and gas-tight.
  • the lower film half 21 and the upper film half 22 are provided along the connecting seam 3 with a bead 31.
  • Both film halves consist of a metal foil 24 provided with a sealing layer 23.
  • Fig. 2 shows a provided with a shell 2 product 10 with flat upper half film 22 as a lid surface.
  • Fig. 3 is the area designated with detail A.
  • the seam 3 along which a bead 31 was formed.
  • a metal foil 24 provided with a sealing layer 23 of thermoplastic material is used on the outside.
  • Fig. 4 shows a plan view of a wrapped in the sleeve 2 according to the invention in FIG. 4 unspecified product.
  • Well recognizable in Fig. 4 is the tear thread 26 shown in dashed lines, which extends from the pull tab 25 over the entire extent of the product away to the opposite side of the seam 3 and is connected there cohesively with the seal layer not visible in the figure.
  • the tear-open thread 26 extends loosely between the packaged product and the casing 2.
  • the tear-open yarn can also adhere at least in sections to the sealing layer 23 inside the casing.
  • Fig. 5 shows the in the Fig. 4 indicated section along the plane AA.
  • the tear thread can in principle run on each side of the sleeve, that is to say in particular on a flat flat pack on both the flat and on the shaped side of a mold pack.
  • Fig. 6 is the detail B off Fig. 5 shown enlarged again.
  • the tear thread 26 connected in a material-bonded manner to the sealing layer 23 also extends through the region of the flanged edge 31, whereby the robustness of the tear thread 26 is increased significantly against unintentional withdrawal from the interior of the cover 2.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Wrappers (AREA)
  • Laminated Bodies (AREA)
EP20120150566 2011-01-17 2012-01-10 Enveloppe en matériau en feuille pour un produit Withdrawn EP2476631A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102011002754A DE102011002754A1 (de) 2011-01-17 2011-01-17 Hülle aus Folienmaterial für ein Produkt

Publications (2)

Publication Number Publication Date
EP2476631A2 true EP2476631A2 (fr) 2012-07-18
EP2476631A3 EP2476631A3 (fr) 2015-04-22

Family

ID=45444555

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20120150566 Withdrawn EP2476631A3 (fr) 2011-01-17 2012-01-10 Enveloppe en matériau en feuille pour un produit

Country Status (2)

Country Link
EP (1) EP2476631A3 (fr)
DE (2) DE102011002754A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2562098A2 (fr) * 2011-08-22 2013-02-27 Chocal Aluminiumverpackungen GmbH Emballage en film avec bandelette d'arrachage
US10479550B2 (en) 2012-03-26 2019-11-19 Kraft Foods R & D, Inc. Packaging and method of opening
US10507970B2 (en) 2013-03-07 2019-12-17 Mondelez Uk R&D Limited Confectionery packaging and method of opening
US10513388B2 (en) 2013-03-07 2019-12-24 Mondelez Uk R&D Limited Packaging and method of opening

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITTO20130097A1 (it) 2013-02-06 2014-08-07 Soremartec Sa Procedimento per realizzare una confezione di un prodotto alimentare, in particolare un prodotto dolciario
DE202015100458U1 (de) * 2015-01-30 2015-02-10 Chocal Aluminiumverpackungen Gmbh Verpackung für einen Süßwarenhohlkörper
DE102015101417B4 (de) 2015-01-30 2016-09-01 Chocal Aluminiumverpackungen Gmbh Verfahren zum Herstellen einer Verpackung
DE102016216444A1 (de) 2016-08-31 2018-03-01 Chocal Aluminiumverpackungen Gmbh Vorrichtung zur Herstellung einer Lebensmittelverpackung und Verfahren zur Herstellung von Verpackungsteilschalen einer Lebensmittelverpackung
DE102020122536A1 (de) 2020-08-28 2022-03-03 Stampac Gmbh Verfahren und Vorrichtung zum Verpacken eines Gegenstands

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0591300B1 (fr) 1991-07-03 1995-05-03 Soremartec S.A. Procede de formation d'emballages constitues de matieres en feuille mince et dispositif de mise en oeuvre du procede

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT221906B (de) * 1960-02-04 1962-06-25 Malba Ges Mit Beschraenkter Ha Verfahren und Vorrichtung zur Herstellung von Gieß- und Hüllformen aus Metallfolien für Figuren aus Süßwaren
US3930041A (en) * 1972-04-27 1975-12-30 Toyo Seikan Kaisha Ltd Hermetic sealing process utilizing multiple heat-sealing steps
EP0207179A1 (fr) * 1985-06-28 1987-01-07 Appel & Frenzel GmbH Emballage pour produits de consommation se gâtant rapidement au contact de l'atmosphère, tels que cornichons, olives, oignons, pigments, épis de mais et similaires
EP0790184A1 (fr) * 1996-02-16 1997-08-20 Soremartec S.A. Dispositif et procédé pour emballer des articles entre deux enveloppes
ITTO20050471A1 (it) * 2005-07-08 2007-01-09 Soremartec Sa Confezione per prodotti alimentari
WO2009104207A1 (fr) * 2008-02-20 2009-08-27 Soremartec S.A. Emballage pour corps ovoïde avec système d’ouverture facile

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0591300B1 (fr) 1991-07-03 1995-05-03 Soremartec S.A. Procede de formation d'emballages constitues de matieres en feuille mince et dispositif de mise en oeuvre du procede

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2562098A2 (fr) * 2011-08-22 2013-02-27 Chocal Aluminiumverpackungen GmbH Emballage en film avec bandelette d'arrachage
US10479550B2 (en) 2012-03-26 2019-11-19 Kraft Foods R & D, Inc. Packaging and method of opening
US10507970B2 (en) 2013-03-07 2019-12-17 Mondelez Uk R&D Limited Confectionery packaging and method of opening
US10513388B2 (en) 2013-03-07 2019-12-24 Mondelez Uk R&D Limited Packaging and method of opening

Also Published As

Publication number Publication date
DE202012012673U1 (de) 2013-08-06
EP2476631A3 (fr) 2015-04-22
DE102011002754A1 (de) 2012-07-19

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