EP0478404A1 - Verpackungsvorrichtung insbesondere für Speisen, die warm verzehrt werden - Google Patents

Verpackungsvorrichtung insbesondere für Speisen, die warm verzehrt werden Download PDF

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Publication number
EP0478404A1
EP0478404A1 EP91402300A EP91402300A EP0478404A1 EP 0478404 A1 EP0478404 A1 EP 0478404A1 EP 91402300 A EP91402300 A EP 91402300A EP 91402300 A EP91402300 A EP 91402300A EP 0478404 A1 EP0478404 A1 EP 0478404A1
Authority
EP
European Patent Office
Prior art keywords
container
cover
chosen
drop
shaped
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Withdrawn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
EP91402300A
Other languages
English (en)
French (fr)
Inventor
Bertrand Guillot
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.)
Gervais Danone SA
Original Assignee
Gervais Danone SA
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 Gervais Danone SA filed Critical Gervais Danone SA
Publication of EP0478404A1 publication Critical patent/EP0478404A1/de
Withdrawn legal-status Critical Current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
    • 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
    • B65D81/3446—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 by microwaves
    • B65D81/3453—Rigid containers, e.g. trays, bottles, boxes, cups
    • 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
    • B65D43/00—Lids or covers for rigid or semi-rigid containers
    • B65D43/02—Removable lids or covers
    • B65D43/0202—Removable lids or covers without integral tamper element
    • B65D43/0204—Removable lids or covers without integral tamper element secured by snapping over beads or projections
    • B65D43/021—Removable lids or covers without integral tamper element secured by snapping over beads or projections only on the inside, or a part turned to the inside, of the mouth
    • 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
    • B65D51/00—Closures not otherwise provided for
    • B65D51/18—Arrangements of closures with protective outer cap-like covers or of two or more co-operating closures
    • B65D51/20—Caps, lids, or covers co-operating with an inner closure arranged to be opened by piercing, cutting, or tearing
    • 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
    • B65D2251/00—Details relating to container closures
    • B65D2251/0003—Two or more closures
    • B65D2251/0006—Upper closure
    • B65D2251/0018—Upper closure of the 43-type
    • 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
    • B65D2251/00—Details relating to container closures
    • B65D2251/0003—Two or more closures
    • B65D2251/0068—Lower closure
    • B65D2251/0093—Membrane
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00018—Overall construction of the lid
    • B65D2543/00064—Shape of the outer periphery
    • B65D2543/00074—Shape of the outer periphery curved
    • B65D2543/00092—Shape of the outer periphery curved circular
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00018—Overall construction of the lid
    • B65D2543/00259—Materials used
    • B65D2543/00296—Plastic
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00342—Central part of the lid
    • B65D2543/00351—Dome-like
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
    • B65D2543/0049—Contact between the container and the lid on the inside or the outside of the container on the inside, or a part turned to the inside of the mouth of the container
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
    • B65D2543/00537—Contact between the container and the lid on the inside or the outside of the container on the outside, or a part turned to the outside of the mouth of the container
    • B65D2543/00546—NO contact
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00592—Snapping means
    • B65D2543/00601—Snapping means on the container
    • B65D2543/00611—Profiles
    • B65D2543/0062—Groove or hollow bead
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00592—Snapping means
    • B65D2543/00601—Snapping means on the container
    • B65D2543/00675—Periphery concerned
    • B65D2543/00685—Totality
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00592—Snapping means
    • B65D2543/00712—Snapping means on the lid
    • B65D2543/00722—Profiles
    • B65D2543/00759—Flange or lip
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00592—Snapping means
    • B65D2543/00712—Snapping means on the lid
    • B65D2543/00787—Periphery concerned
    • B65D2543/00796—Totality
    • 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
    • B65D2577/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks, bags
    • B65D2577/10—Container closures formed after filling
    • B65D2577/20—Container closures formed after filling by applying separate lids or covers
    • B65D2577/2041—Pull tabs
    • B65D2577/205—Pull tabs integral with the closure
    • 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
    • B65D2581/00—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
    • B65D2581/34—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
    • B65D2581/3437—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 specially adapted to be heated by microwaves
    • B65D2581/3439—Means for affecting the heating or cooking properties
    • B65D2581/3459—Means for holding the package at a distance from the microwave oven floor, e.g. stands
    • B65D2581/346—Means for holding the package at a distance from the microwave oven floor, e.g. stands integral to the package, e.g. the package is transformed into a stand

Definitions

  • the invention relates to a packaging device, in particular for food to be consumed hot.
  • the new habits of food consumption make it necessary to be able to have a packaging allowing to condition in the factory, and in good asepsis conditions, a food which one wishes that it has a long shelf life and which, during this time, can be consumed hot without having to be transferred from its original packaging, whether heated in a water bath or in a conventional oven or in a "microwave" oven.
  • the plastic packaging device the general shape of which is that of a container with a bottom and side wall having, opposite said bottom, an annular edge which extends outside the device by a drop with a cover which can be attached above the container in a first condition and below said container, in another condition, is characterized in that said drop is shaped at its end distant from the edge, which forms a sealing area for a closure cap-, following a radial projecting return with which is adapted to cooperate to interlock a rib of conjugate shape formed on the free edge of the cover.
  • the lid which allows the opening of the container to be closed after uncapping, for example when the total content of the latter is not consumed, can also be fitted under the device, which then rests on a support by a large surface which increases its stability.
  • the material constituting the device is, on the one hand, resistant to normal temperatures which can be reached in a conventional oven and, on the other hand, chosen from plastics "transparent" to electromagnetic radiation .
  • one or more material (s) constituting the device (s) is (are) one (s) material (s) of the "barrier" type, that is to say sheet or film advantageously with several layers placed side by side and chosen for the properties they have of obstructing the passage of gaseous fluid, thus allowing a long preservation of the product enclosed in the packaging without degradation of its organoleptic and sterility qualities, etc ...
  • the container is shaped according to a cup and the plastic material which forms the cup is preferably transulucid, the cover, on the other hand, being made of a transparent material different from that of said cup, the plastics implemented advantageously being chosen from the family of CPETs (crystallized polyethylene terephatalate) which we know can withstand temperatures of the order of 250 ° C or from that of EVOH (ethyl vinyl alcohol) or NMXD6 polyamides or NYREF or PVdC.
  • CPETs crystalstallized polyethylene terephatalate
  • a packaging device in particular for packaging a food product to be consumed hot, comprises a container 10, represented here according to a dish or plate, this indication having however no limiting character, to which is associated with a cover 11 of shape partly conjugate with that of the container or container 10.
  • the latter is advantageously produced by forming and more precisely deep thermoforming of plastic material to present a bottom 12 and a side wall 13 ending opposite the bottom by an annular edge 14 which provides a heat-sealing range of a cover 16 with gripping tab 16 ′ for closing the container 10.
  • the annular edge 14 is extended, outside the wall 13, by a drop 15 whose height is substantially equal to half the height h which is that of the cup measured between the bottom 12 and the annular zone 14, said drop extending substantially parallel to the wall 13, at least in the zone of the latter adjacent to the annular edge 14.
  • the dropout 15 has, in accordance with the invention, a radial projecting return or flange 20 extending in a plane substantially perpendicular to the axis XX of revolution of the device.
  • this flange 20 is able to cooperate in fitting a groove 21 formed in the vicinity of the free edge 22 of the cover 11 which, in shape combined with that of the drop 15, is here somewhat in attitude with a side wall 25 and a bottom 26 of relatively large area, the height of the cover being slightly greater than h / 2.
  • Such a structure makes it possible to associate the cover 11 with the container 10 in the manner shown in FIG.
  • a conventional oven but then without a cover
  • a "microwave” oven without uncapping if the material of the lid 16 is suitably chosen
  • the material (s) constituting the container 10 and the lid 11 is (are), on the one hand, resistant (s) to temperatures which can be reached in a conventional oven up to 250 ° C and, on the other hand, chosen (s) from "transparent" plastics at electromagnetic radiation.
  • Plastics suitable for this can be chosen from the family of CPETs (crystallized polyethylene terephthalate) which we know can withstand temperatures of the order of 250 ° C and which can be shaped by deep thermoforming .
  • Suitable materials are those chosen from the family of EVOHs (ethylvinyl alcohol) or PVdCs or polyamides, for example those known under the trade names of NMXD6 or NYREF.
  • the material (s) constituting the device (s) has (s) "barrier" properties which prevent gas exchange and make it possible to ensure that the product enclosed in the container 10 (treated for example by sterilization) a very long shelf life, which can be around a year for a device kept at normal room temperature.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Food Science & Technology (AREA)
  • Packages (AREA)
  • Cookers (AREA)
EP91402300A 1990-08-27 1991-08-23 Verpackungsvorrichtung insbesondere für Speisen, die warm verzehrt werden Withdrawn EP0478404A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9010670A FR2666073B1 (fr) 1990-08-27 1990-08-27 Dispositif d'emballage, notamment pour aliment a consommer chaud.
FR9010670 1990-08-27

Publications (1)

Publication Number Publication Date
EP0478404A1 true EP0478404A1 (de) 1992-04-01

Family

ID=9399860

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91402300A Withdrawn EP0478404A1 (de) 1990-08-27 1991-08-23 Verpackungsvorrichtung insbesondere für Speisen, die warm verzehrt werden

Country Status (4)

Country Link
EP (1) EP0478404A1 (de)
AU (1) AU8442891A (de)
FR (1) FR2666073B1 (de)
WO (1) WO1992003355A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2700317B1 (fr) * 1993-01-14 1995-04-14 Gervais Danone Sa Emballage en matière plastique pour aliment à longue durée de conservation et son procédé de fabrication.
NL1004929C2 (nl) * 1997-01-04 1998-07-08 Wezel Verpakkingen Breda B V V Wegwerpverpakking voor in een magnetron door stoven of stomen te bereiden voedsel.
FR2765468B1 (fr) * 1997-07-03 1999-09-03 Fleury Michon Conditionnement pour sauce prete a l'emploi formant sauciere jetable
ATE224328T1 (de) * 1999-06-11 2002-10-15 Nestle Sa Mikrowellenbehälter für gefrorene lebensmittel und sein gebrauchsverfahren
US8080770B2 (en) 2004-03-09 2011-12-20 Ball Corporation Microwavable metallic container
US7378625B2 (en) 2004-03-09 2008-05-27 Ball Corporation Microwavable metallic container
US7112771B2 (en) * 2004-03-09 2006-09-26 Ball Corporation Microwavable metallic container
WO2008017308A1 (en) * 2006-08-10 2008-02-14 R. Faerch Plast A/S Package having one or more compartments and a method of preserving food in a package

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU565000B2 (en) * 1983-07-28 1987-09-03 Eclipse Products Pty. Ltd. Multi purpose fund container
EP0419764A1 (de) * 1989-09-26 1991-04-03 SOC.A.M.A. S.p.A. Behälter für vorgekochte und/oder essfertige Lebensmittel

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU565000B2 (en) * 1983-07-28 1987-09-03 Eclipse Products Pty. Ltd. Multi purpose fund container
EP0419764A1 (de) * 1989-09-26 1991-04-03 SOC.A.M.A. S.p.A. Behälter für vorgekochte und/oder essfertige Lebensmittel

Also Published As

Publication number Publication date
FR2666073B1 (fr) 1992-12-11
AU8442891A (en) 1992-03-17
WO1992003355A1 (fr) 1992-03-05
FR2666073A1 (fr) 1992-02-28

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