EP1067058B1 - Emballage de conditionnement d'une préparation alimentaire à réchauffer - Google Patents

Emballage de conditionnement d'une préparation alimentaire à réchauffer Download PDF

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Publication number
EP1067058B1
EP1067058B1 EP00401920A EP00401920A EP1067058B1 EP 1067058 B1 EP1067058 B1 EP 1067058B1 EP 00401920 A EP00401920 A EP 00401920A EP 00401920 A EP00401920 A EP 00401920A EP 1067058 B1 EP1067058 B1 EP 1067058B1
Authority
EP
European Patent Office
Prior art keywords
film
packaging
sheet
enclosure
region
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.)
Expired - Lifetime
Application number
EP00401920A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1067058A1 (fr
Inventor
Jacques Hauchecorne
Jonathan Fowle
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.)
Amcor Flexibles France SAS
Original Assignee
Amcor Flexibles France SAS
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 Amcor Flexibles France SAS filed Critical Amcor Flexibles France SAS
Priority to DK00401920T priority Critical patent/DK1067058T3/da
Publication of EP1067058A1 publication Critical patent/EP1067058A1/fr
Application granted granted Critical
Publication of EP1067058B1 publication Critical patent/EP1067058B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B65D33/00—Details of, or accessories for, sacks or bags
    • B65D33/01—Ventilation or drainage of bags
    • 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
    • B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
    • B65D77/22—Details
    • B65D77/225—Pressure relief-valves incorporated in a container wall, e.g. valves comprising at least one elastic element
    • 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
    • B65D81/34—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 for packaging foodstuffs or other articles intended to be cooked or heated within the package
    • B65D81/3415—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 for packaging foodstuffs or other articles intended to be cooked or heated within the package specially adapted to be heated in hot water, e.g. boil pouches
    • 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
    • B65D2205/00—Venting means

Definitions

  • the present invention relates to packaging for packaging of a food preparation and its reheating, of the type comprising at least one flexible sheet, formed of at least one welding film, which delimits at least partially a main preparation containment enclosure food, and means for venting said enclosure under the action of the increase in pressure in said enclosure, during the rise in temperature.
  • the packaging In order to preserve the integrity of the dish, and satisfactory aseptic conditions, the packaging should be hermetically sealed when transport and its sale.
  • Opening the packaging manually is a tedious task and sometimes awkward.
  • the user may forget to open the packaging before to reheat the preparation which is conditioned there, which leads to the destruction from the packaging, making the dish unreadable.
  • venting means include a mechanical valve added in a region of welding of the lid on the tray. This valve is formed by a movable closure member kept elastic. on a seat delimited by the circumference of a steam outlet opening.
  • EP 0 661 219 describes a package according to the preamble of claim 1.
  • the object of the invention is to propose a solution allowing the updating the automatic air in a package when the product inside is reheated content, and the cost price is low.
  • the subject of the invention is a packaging according to claim 1.
  • the packaging includes one or more of the features of the dependent claims.
  • the packaging shown in Figures 1 and 2 is a sachet intended for packaging of a food preparation such as a soup 12.
  • the bag consists of two rectangular main flexible sheets 14, 16 arranged opposite and a bottom 18 consisting of a third flexible sheet.
  • the two main flexible sheets 14, 16 are linked to each other according to three adjacent edges, consisting of the two longitudinal edges of the sheets 20A and 20B and the upper edge noted 20C.
  • the fourth edge of the leaves 14, 16 is bonded by welding to the edge of the sheet 18 forming the bottom.
  • Each sheet 14, 16, 18 constituting the package is closed by two coextruded films made of polymer.
  • the outer film of each sheet is made for example of polyester or polyamide and has a thickness of 15 to 20 microns. It is designated by the same reference number as the sheet to be which it belongs followed by the letter A.
  • the inner film of each sheet is made for example of polyethylene or polypropylene and has a thickness of 50 to 100 microns. It is designated by the same reference number as the sheet to which it belongs followed by the letter B.
  • the inner film is a welding film allowing the bonding of two sheets by simply raising the temperature and pressing.
  • the three sheets 14, 16, 18 define a main enclosure 22 in which the food preparation 12 is contained. This is overcome in enclosure 22 by a volume 24 filled with air. In the upper part of the bag delimiting the volume filled with air 24 means are provided 25 for venting the enclosure when the pressure in the packaging.
  • the venting means 25 comprise a shaped weld 32 star locally connecting the sheet 14 to the sheet 16 arranged opposite.
  • the solder 32 is extremely resistant and in particular has resistance to the tearing greater than the tearing force of the sealing film 14B.
  • the contour of the welded region defines at least one point on the surface of the sheet 14, favoring the tearing of the sealing film 14B.
  • the weld has a star shape with 6 branches. Each branch forms a point.
  • Welding 32 is performed in a free region of the sheets 14 and 16, that is to say a region arranged away from the peripheral welds 20A, 20B, 20C.
  • the sheet 14 is crossed a light 50 formed in the center of the welded region. This light crosses films 14A and 14B.
  • the sheet 16 opposite is devoid of light and has a solid wall facing the light 50.
  • the two sheets 14 and 16 each have a light 50. These are arranged facing each other, both in the center of the welded region.
  • the bag according to the invention of which only one of the sheets has a light 50 is manufactured in the following manner.
  • Sheets 14 and 16 are made and printed by being arranged in a band one after the other. They then form coils. While the sheets 14 are still joined together, the lights 50 are provided in a region marked on each sheet intended for form the upper part of the bag and delimit the volume 24 filled with air from the sachet.
  • the lights 50 are cut for example using a punch during the circulation of the strip formed from the assembled sheets.
  • the bags are then roughed out by cutting and sealing the bottom 18, and sheets 14 and 16. All the welds between the bottom and the sheets are made, with the exception of the weld 20C opposite the bottom 18 in order to allow subsequent filling of the sachet.
  • the solder 32 is made in order to bring together the sheets 14 and 16 all around the light 50 previously cut. This welding is carried out for example by two heating jaws between which are enclosed sheets 14 and 16.
  • the bearing surfaces of jaws on leaves have corresponding outer star shapes to the desired shape for the weld.
  • the sachet open in its part upper is first sketched, while sheets 14 and 16 are devoid from light.
  • Star welding 32 is then carried out. posteriorly at the time of welding or simultaneously, the lights 50 are formed in the center of the region welded by a cutting tool such than a punch. The bag is then filled and sealed.
  • the main enclosure 22 is then in communication with the auxiliary chamber 60, itself opening to the outside at through the perforation 50 passing through the outer film 14A. So the enclosure main is vented, allowing the evacuation of steam.
  • metal charges 70 are arranged between the films 14A and 14B in a centered annular region on the through light 50.
  • the metallic charges are advantageously arranged in a printing ink applied between the two movies.
  • These metallic charges are for example aluminum powder, or bronze powder used in metallic inks or paints.
  • each of the sheets forming the packaging is carried out by a single film, which corresponds to the removal of exterior films 14A and 16A.
  • the perforation of the welding film 14B is optional, since in the case of a sheet made up of several films, only the perforation of exterior films is useful.
  • metallic charges are advantageously interposed between the films of the two sheets on the periphery lights.
  • the lumen 50 is replaced by a perforation blank made for example by mechanical or laser incision. So the perforation 50 does not appear on the marketed packaging, thus improving the visual appearance of the packaging.
  • the perforation blank opens of itself when the pressure in the auxiliary chamber increases 60 after rupture of the welding film 14B.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Food Science & Technology (AREA)
  • Packages (AREA)
  • General Preparation And Processing Of Foods (AREA)
  • Electric Ovens (AREA)
  • Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
  • Cookers (AREA)
  • Bag Frames (AREA)
  • Package Specialized In Special Use (AREA)
EP00401920A 1999-07-06 2000-07-04 Emballage de conditionnement d'une préparation alimentaire à réchauffer Expired - Lifetime EP1067058B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DK00401920T DK1067058T3 (da) 1999-07-06 2000-07-04 Emballage til at opvarme födevarer

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9908720A FR2796048B1 (fr) 1999-07-06 1999-07-06 Emballage de conditionnement d'une preparation alimentaire a rechauffer
FR9908720 1999-07-06

Publications (2)

Publication Number Publication Date
EP1067058A1 EP1067058A1 (fr) 2001-01-10
EP1067058B1 true EP1067058B1 (fr) 2004-09-29

Family

ID=9547768

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00401920A Expired - Lifetime EP1067058B1 (fr) 1999-07-06 2000-07-04 Emballage de conditionnement d'une préparation alimentaire à réchauffer

Country Status (7)

Country Link
EP (1) EP1067058B1 (es)
AT (1) ATE277829T1 (es)
DE (1) DE60014257T2 (es)
DK (1) DK1067058T3 (es)
ES (1) ES2223423T3 (es)
FR (1) FR2796048B1 (es)
PT (1) PT1067058E (es)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2589607C2 (ru) * 2011-05-26 2016-07-10 Амкор Флексибль Транспак Б.В.Б.А. Герметично закрытая упаковка для нагревания в микроволновой печи

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4569249B2 (ja) * 2003-11-28 2010-10-27 東洋製罐株式会社 電子レンジ用包装容器
EP1826140A1 (en) * 2006-02-24 2007-08-29 Birds Eye Ipco Limited Pressure tear valve
EP2157029A1 (en) 2008-08-19 2010-02-24 Amcor Flexibles Transpac N.V. Method for the production of self-venting packaging
JP6245490B1 (ja) * 2016-06-02 2017-12-13 東洋製罐株式会社 電子レンジ用パウチ
US10486881B2 (en) * 2016-12-09 2019-11-26 Fres-Co System Usa, Inc. Flexible packages with clog resistant degassing valve and methods of making the same

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3937396A (en) * 1974-01-18 1976-02-10 Schneider William S Valve for vented package
FR2299233A1 (fr) * 1975-02-01 1976-08-27 Central Glass Co Ltd Sac en resine
FR2695108B1 (fr) * 1992-09-02 1995-04-21 Georges Paul Emballage, procédé et dispositif de conditionnement pour produit liquide, solide ou pâteux pasteurisé ou stérilisé.
FR2706472B1 (fr) * 1993-06-10 1995-09-01 Breger Guy Procédé de fabrication d'un produit en un polymère thermofusible ou thermodurcissable comportant des zones sensibles à un rayonnement électromagnétique du domaine des micro-ondes et produit obtenu.
KR100193465B1 (ko) * 1993-12-28 1999-06-15 가타야마 도루 포장용구

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2589607C2 (ru) * 2011-05-26 2016-07-10 Амкор Флексибль Транспак Б.В.Б.А. Герметично закрытая упаковка для нагревания в микроволновой печи

Also Published As

Publication number Publication date
EP1067058A1 (fr) 2001-01-10
DE60014257T2 (de) 2006-02-23
FR2796048A1 (fr) 2001-01-12
FR2796048B1 (fr) 2001-09-21
PT1067058E (pt) 2005-02-28
DE60014257D1 (de) 2004-11-04
DK1067058T3 (da) 2005-01-31
ATE277829T1 (de) 2004-10-15
ES2223423T3 (es) 2005-03-01

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