EP1231160A1 - Verpackung zum konservieren und kochen oder aufwärmen von Nahrungsmitteln - Google Patents

Verpackung zum konservieren und kochen oder aufwärmen von Nahrungsmitteln Download PDF

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Publication number
EP1231160A1
EP1231160A1 EP01400358A EP01400358A EP1231160A1 EP 1231160 A1 EP1231160 A1 EP 1231160A1 EP 01400358 A EP01400358 A EP 01400358A EP 01400358 A EP01400358 A EP 01400358A EP 1231160 A1 EP1231160 A1 EP 1231160A1
Authority
EP
European Patent Office
Prior art keywords
tray
packaging
false bottom
perforations
average diameter
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Withdrawn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
EP01400358A
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English (en)
French (fr)
Inventor
Pierre Poncelin
Emmanuelle Bayol
Fabrice Roy
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.)
Sealed Air SAS
Original Assignee
Sealed Air 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 Sealed Air SAS filed Critical Sealed Air SAS
Priority to EP01400358A priority Critical patent/EP1231160A1/de
Publication of EP1231160A1 publication Critical patent/EP1231160A1/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Withdrawn legal-status Critical Current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
    • B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
    • B65D77/003—Articles enclosed in rigid or semi-rigid containers, the whole being wrapped
    • 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
    • B65D81/24—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants
    • B65D81/26—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants with provision for draining away, or absorbing, or removing by ventilation, fluids, e.g. exuded by contents; Applications of corrosion inhibitors or desiccators
    • B65D81/264—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants with provision for draining away, or absorbing, or removing by ventilation, fluids, e.g. exuded by contents; Applications of corrosion inhibitors or desiccators for absorbing liquids
    • B65D81/265—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants with provision for draining away, or absorbing, or removing by ventilation, fluids, e.g. exuded by contents; Applications of corrosion inhibitors or desiccators for absorbing liquids the absorbent being placed beneath a false bottom
    • 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
    • B65D2581/3401—Cooking or heating method specially adapted to the contents of the package
    • B65D2581/3429—Packages containing a secondary product to be cooked and discharged over the primary product
    • B65D2581/3433—Packages containing a secondary product to be cooked and discharged over the primary product to add moisture to the product, e.g. steaming

Definitions

  • the present invention relates to a packaging for preservation and / or cooking or reheating food.
  • the present invention relates to packaging for the preservation and / or cooking or reheating food products that require moist conditions either for their conservation and / or possibly for their cooking or reheating.
  • the packaging either the tray as well as the saturator pad and the external film are produced with thermoplastic materials which are transparent to microwaves and heat resistant given off by microwave ovens when in use.
  • the tray used in these applications is a tray with a bottom waterproof and a false bottom arranged above and at a distance from the bottom, where the false bottom presents perforations which have been studied and perfected to allow the flow and the concentration of exudates in the bottom of the tray itself.
  • Examples of trays commonly used in these new applications are those described for example in European patent applications published under the numbers EP-A-701,995 and EP-A-732,275.
  • Figure 1 illustrates a top view of an embodiment of a false bottom according the invention.
  • the shape and dimensions of the false bottom 1 are dictated by the shape and the dimensions of the tray in which the false bottom is to be housed.
  • Figure 3 illustrates a conventional tray 10.
  • the tray 10 has a rectangular shape with the rounded corners, this tray having a bottom 11 and a side wall 12 surrounding the bottom 11.
  • the side wall 12 is generally inclined towards the bottom 11 of the tray, as in the Figure 3, but it can also be perpendicular to the bottom 11.
  • the side wall 12 of the tray is generally surmounted by a collar 13 whose free surface is coplanar with bottom of the tray. This collar is in particular used in certain cases to weld it the thermoplastic film used as a sealing film.
  • the dimensions of trays are standard dimensions such as 14 cm x 23 cm, 16 cm x 25 cm, etc. The dimensions of the tray used as false bottom will therefore be chosen so that position the perforated tray in the tray at the distance from the bottom chosen.
  • the false bottom has a multiplicity of perforations 2 distributed regularly over its surface which preferably cover the entire surface.
  • these perforations are aligned so as to form rows 4 parallel to each other and parallel to the lateral edges of the tray 1.
  • the perforations 2 are distributed over rows 4, 4 ', 4 ", etc. so that they substantially form regular grids of rows 4, 4 ', 4 "and columns 5, 5', 5", etc. on the surface of the false bottom 1, as seen more precisely in FIG. 1.
  • the present invention is not limited to this method of distributing the perforations 2.
  • the consecutive rows 4, 4 ′, 4 "of perforations 2 are offset two in pairs so that the set of perforations 2 has repeated patterns of staggered.
  • the rows are offset three to three.
  • the dimensions and frequency of distribution of the perforations are desirably chosen according to the product to be packaged as well as the dimensions of the packaging.
  • the average diameter of the perforations is between 0.3 and 5 mm, advantageously between 0.5 and 4 mm, more advantageously between 0.8 and 3 mm, and even more advantageously between 1 and 2.5 mm.
  • Each perforation 2 is at the center of a depression 6 created symmetrically on each surface of the false bottom, this depression having the shape of a small bowl, of preferably round, flat.
  • these cavities are formed both on the surface from the tray on which the product is placed and on the surface to the saturator pad.
  • These cavities have an average diameter 7 which is at least three times, typically between 3 and 15 times the average diameter of the perforations and preferably between 5 and 15 times for the perforations smaller (0.3-2 mm) and between 3 and 6 for larger perforations (2-5 mm).
  • the cavities can have an average diameter of at least 3 mm, such as for example 5 mm, 8 mm, 10 mm, or 12 mm, when for perforations having an average diameter of 2.5 mm, the cavities can have an average diameter of at least 7.5 mm, such as for example 8 mm, 10 mm, 12 mm, or 15 mm.
  • the distance 8 between two consecutive perforations is greater by half the sum of the cavity diameters.
  • the distance between two consecutive perforations is chosen so that there at least 1 mm, preferably at least 2 mm on the surface of the false bottom, between the edges respective cavities.
  • the distance 9 between the edges of the two consecutive cavities is not more than 1 cm, preferably not more than 8 mm, more preferably not more than 5 mm, and even more preferably not greater than 3 mm.
  • the edges of the cavities are preferably rounded.
  • the cavities are oblong with the main axes aligned.
  • the same considerations we made above regarding their dimension, can be applied where as the mean diameter is meant the half-sum of main axes.
  • the false bottom is generally made of the same plastic material that is used for the tray. In general it is an expanded plastic material such as polystyrene, polypropylene or polyester. For applications where we pass the packaging in the microwave we must use plastics, such as polypropylene or polyester, which resist the heat given off by microwave ovens, practically at a heat at least equal to 100 ° C, causing no deformation or migration of their components to food.
  • the thickness of the plate used for the false bottom is generally between 1 and 10 mm, preferably between 2 and 8 mm, and even more preferably between 3 and 7 mm.
  • the perforations as well as the cavities are easily created by compression using punches of appropriate shape and size.
  • the punching operation is generally carried out on the false bottom plate before its placement in the tray or it can be performed on a surface of the front tray and on the other surface, that which is in contact with the food product, after its installation.
  • the false bottom can be adapted to the tray by any process ensuring the tightness of the connection: welding, clipping and the like.
  • the tray can contain two edges interiors 14 which extend along the side wall 12 parallel to the long sides of the tray and which have a substantially coplanar free surface at the bottom of the tray and the false bottom will be welded or glued to these edges.
  • This embodiment is illustrated in the Figure 4 which shows a cross-sectional view of a tray 10, with the edges interiors 14, on which the false bottom 1 according to the present invention is welded or glued.
  • the saturator pad positioned between the bottom 11 of the tray and the false bottom 1 is indicated in 15.
  • the tray contains tips at the four corners where the false bottom, which in turn contains holes in corresponding positions, will be clipped.
  • the false bottom and the tray can be linked by clipping.
  • the saturator pad previously and desirably soaked for example water, wine, lemon juice, vanilla extract, etc., may be present on the bottom of the tray before installing the false bottom, just before packaging the product.
  • Other an appropriately sized hole should be provided in a corner of the false bottom attached to the tray containing a non-soaked pad, for the flow of the chosen liquid before the conditioning.
  • the tray is closed with a thermoplastic film which can be welded or glued to the tray flange as a sealing film or can completely wrap the tray and be welded or glued on itself forming a pocket containing the tray.
  • the thermoplastic film is a film heat-shrinkable and the packaging is finally subjected to a heat treatment which causes the shrinkage of the film.
  • the thermoplastic film used in packaging according to the present invention can be a single-layer or multi-layer film and can be made of any plastic material having the qualities required for the realization of the packaging and, if necessary, for passage into the oven.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Food Science & Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Packages (AREA)
  • Containers Having Bodies Formed In One Piece (AREA)
EP01400358A 2001-02-12 2001-02-12 Verpackung zum konservieren und kochen oder aufwärmen von Nahrungsmitteln Withdrawn EP1231160A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP01400358A EP1231160A1 (de) 2001-02-12 2001-02-12 Verpackung zum konservieren und kochen oder aufwärmen von Nahrungsmitteln

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP01400358A EP1231160A1 (de) 2001-02-12 2001-02-12 Verpackung zum konservieren und kochen oder aufwärmen von Nahrungsmitteln

Publications (1)

Publication Number Publication Date
EP1231160A1 true EP1231160A1 (de) 2002-08-14

Family

ID=8182621

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01400358A Withdrawn EP1231160A1 (de) 2001-02-12 2001-02-12 Verpackung zum konservieren und kochen oder aufwärmen von Nahrungsmitteln

Country Status (1)

Country Link
EP (1) EP1231160A1 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004018318A1 (en) * 2002-08-22 2004-03-04 Susan Nicola Pieterse A product pack
NL1023533C2 (nl) * 2003-05-26 2004-03-22 Heiploeg Shellfish B V Magnetronverpakking met schelpdieren.
EP1445213A1 (de) 2003-02-10 2004-08-11 Cryovac, Inc. Mikrowellenbehälter
DE102015104015A1 (de) * 2015-03-18 2016-09-22 Mezger Verpackungen GmbH & Co. KG Behälter zur Aufnahme von Lebensmitteln und Verfahren zur Herstellung desselben

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5012061A (en) * 1990-07-09 1991-04-30 Lesser Emmett H Microwave safety lid
US5151568A (en) * 1990-11-21 1992-09-29 Rippley Martsey D Disposable microwave cooking utensil
EP0701995A2 (de) 1994-08-16 1996-03-20 Basf Aktiengesellschaft Verfahren zur Herstellung von aromatischen Aminen aus aliphatischen Aminen sowie deren Herstellung durch aminierende Hydrierung
EP0701955A1 (de) * 1994-09-19 1996-03-20 Groupe Guillin (S.A.) Verpackung für Nahrungsmittel mit langer Haltbarkeit
EP0732275A1 (de) 1995-04-19 1996-09-18 Groupe Guillin Verpackung zum Verpacken und Konservieren von Frischwaren
EP0743262A1 (de) * 1995-05-19 1996-11-20 SIRAP-GEMA S.p.A. Behälter aus Kunststoff für Lebensmittel, die zu Flüssigkeitsabsonderung neigen
JPH11334769A (ja) * 1998-05-26 1999-12-07 Itoham Foods Inc 電子レンジ用加熱容器
EP1053944A1 (de) * 1999-05-21 2000-11-22 Groupe Guillin Verpackungsverfahren sowie verpackung zum konservieren und/oder kochen oder aufwärmen von nahrungsmitteln

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5012061A (en) * 1990-07-09 1991-04-30 Lesser Emmett H Microwave safety lid
US5151568A (en) * 1990-11-21 1992-09-29 Rippley Martsey D Disposable microwave cooking utensil
EP0701995A2 (de) 1994-08-16 1996-03-20 Basf Aktiengesellschaft Verfahren zur Herstellung von aromatischen Aminen aus aliphatischen Aminen sowie deren Herstellung durch aminierende Hydrierung
EP0701955A1 (de) * 1994-09-19 1996-03-20 Groupe Guillin (S.A.) Verpackung für Nahrungsmittel mit langer Haltbarkeit
EP0732275A1 (de) 1995-04-19 1996-09-18 Groupe Guillin Verpackung zum Verpacken und Konservieren von Frischwaren
EP0743262A1 (de) * 1995-05-19 1996-11-20 SIRAP-GEMA S.p.A. Behälter aus Kunststoff für Lebensmittel, die zu Flüssigkeitsabsonderung neigen
JPH11334769A (ja) * 1998-05-26 1999-12-07 Itoham Foods Inc 電子レンジ用加熱容器
EP1053944A1 (de) * 1999-05-21 2000-11-22 Groupe Guillin Verpackungsverfahren sowie verpackung zum konservieren und/oder kochen oder aufwärmen von nahrungsmitteln

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 03 30 March 2000 (2000-03-30) *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004018318A1 (en) * 2002-08-22 2004-03-04 Susan Nicola Pieterse A product pack
EP1445213A1 (de) 2003-02-10 2004-08-11 Cryovac, Inc. Mikrowellenbehälter
NL1023533C2 (nl) * 2003-05-26 2004-03-22 Heiploeg Shellfish B V Magnetronverpakking met schelpdieren.
EP1481920A1 (de) * 2003-05-26 2004-12-01 Heiploeg Shellfish B.V. Mikrowellenerhitzbare Verpackung für Schalentiere
DE102015104015A1 (de) * 2015-03-18 2016-09-22 Mezger Verpackungen GmbH & Co. KG Behälter zur Aufnahme von Lebensmitteln und Verfahren zur Herstellung desselben
DE102015104015B4 (de) * 2015-03-18 2017-05-11 Mezger Verpackungen GmbH & Co. KG Behälter zur Aufnahme von Lebensmitteln und Verfahren zur Herstellung desselben

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