EP0024605A1 - Verpackung für Nahrungsmittel - Google Patents

Verpackung für Nahrungsmittel Download PDF

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Publication number
EP0024605A1
EP0024605A1 EP80104691A EP80104691A EP0024605A1 EP 0024605 A1 EP0024605 A1 EP 0024605A1 EP 80104691 A EP80104691 A EP 80104691A EP 80104691 A EP80104691 A EP 80104691A EP 0024605 A1 EP0024605 A1 EP 0024605A1
Authority
EP
European Patent Office
Prior art keywords
tray
edge
packaging
covered
food products
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.)
Ceased
Application number
EP80104691A
Other languages
English (en)
French (fr)
Inventor
Lennart Mattisson
Bertil Ganrot
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.)
Produits Findus SA
Original Assignee
Produits Findus 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 Produits Findus SA filed Critical Produits Findus SA
Publication of EP0024605A1 publication Critical patent/EP0024605A1/de
Ceased 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
    • 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
    • B65D2581/3471—Microwave reactive substances present in the packaging material
    • B65D2581/3472—Aluminium or compounds thereof
    • 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
    • B65D2581/3486—Dielectric characteristics of microwave reactive packaging
    • B65D2581/3489—Microwave reflector, i.e. microwave shield

Definitions

  • the present invention relates to a package for the controlled heating or cooking of food prepared in hot air, convection, household and microwave ovens.
  • U.S. Patent No. 3,865,301 describes a container with openings, suitable for several ingredients of a sandwich-type food product, which must be heated or baked to different degrees, which container is opaque to radiation microwaves excluding windows transparent to radiation.
  • U.S. Patent No. 4,081,646 illustrates a tray made of microwave-transparent material and having several compartments, a cover formed of microwave-transparent material and suitable for the tray, and a box with openings having microwave-opaque walls and openings at predetermined locations, into which the tray and the lid are inserted, so that a control is obtained of the amount of radiation received by each of the individual components of the meal.
  • Aluminum trays are used without problems in household ovens but are not suitable for microwave ovens.
  • the main object of the present invention is to provide a packaging in the form of a tray which can be used in hot air, convection ovens, in household ovens at temperatures up to 300 ° C. and also in all types. microwave ovens.
  • Another object of the present invention is to provide a package in the form of a tray which gives excellent temperature distribution and minimizes the effects of arcing and sparking.
  • the invention relates to a packaging for food products intended for the controlled cooking or heating of food prepared in hot air, convection, household and microwave ovens, comprising a tray consisting of a bottom. and a peripheral wall risk extending upwards, said wall being curved towards the outside in its upper part, thus defining a peripheral edge extending horizontally, the wall or at least its internal surface or the upper part thereof constituting the horizontal edge as well as the parts of it situated in the corners being in or covered with a material reflecting / / opaque to microwave radiation and said bottom being made of a material transparent to microwave radiation or capable of being remove easily.
  • the tray is produced for example by stamping in a PEERLESS machine or for example by folding a transparent material in the microwave, such as for example. cardboard or cardboard covered with a layer of plastic. It can also be obtained by injection or thermoforming of a plastic material or a cardboard and plastic composite material, preferably a polyester, for example polyethylene or polybutylene terephthalate, a polyolefin, for example polybutylene, polymethylpentene or polypropylene, or suitable combinations of these materials.
  • a plastic material or a cardboard and plastic composite material preferably a polyester, for example polyethylene or polybutylene terephthalate, a polyolefin, for example polybutylene, polymethylpentene or polypropylene, or suitable combinations of these materials.
  • the tray comprises a bottom 2 and a peripheral wall 3 ending in a horizontally extending edge 4.
  • the edge 4 is partially covered (Fig. 4) or completely (Fig. 5) with a material reflecting them or opaque to micro -waves such as aluminum foil.
  • the peripheral wall 3 is covered with a layer of material 5 which can be placed in different ways, provided that it acts as a reflector of the microwave radiation towards the center of the tray.
  • the wall 3 can be completely covered (Fig. 1) or partially, for example in a region surrounding each of the corners (Fig. 6, number 5) of a material 5.
  • the metal sheet can be laminated or fixed to the material transparent to microwaves or applied when stamping the tray or after stamping or folding the tray.
  • the tray can be closed with an aluminum cover 6 as shown in Figure 2.
  • the cover is removed just before cooking, for example by means of a conventional pull-out pull tab or not shown.
  • Figures 3 and 4 show an alternative embodiment of the packaging, in which the tray comprises cardboard walls 2 and 3 covered with a polymer sheet 7 on their inner surface, which is partially laminated with a sheet of aluminum 5. Only part of the horizontal edge 4 is covered with aluminum, the external part 8 serving as a welding surface. The outer part 8 of the edge 4, where the aluminum sheet 5 ends, is provided with a line of peripheral perforations 9, so that the outer part of the edge is connected to the tray only by narrow bridges of matter.
  • the tray is closed by a cover 6, which is made of cardboard 10 covered with a polymer film 11. Alternatively, the cover may be a sheet of polymer.
  • the edge 12 of the cover 6 is thermally sealed to the outer part 8 of the edge 4.
  • the outer part 8 of the edge 4 is torn off at the same time as the cover 6, the cover preferably being provided with 'a tear-off tab not shown in the drawing. This leaves a protective layer of material 5 over the entire horizontal edge 4. It is obvious that the perforation must have an exact design, so that the tray once opened has clean edges and that it can be opened easily. The tray must also have satisfactory strength and rigidity.
  • FIG. 5 shows a second alternative embodiment of the packaging which differs from that of FIG. 3 in that the entire surface of the horizontal edge is covered with aluminum foil 5, for example laminated, the metal part then also being provided with a line of perforations 9.
  • the cover 6 may be made of cardboard covered with a polymer sheet, for example of the ionomer type (SurlynG9), laminable on an aluminum sheet.
  • the packaging can be entirely metallic, for example stamped in a single aluminum sheet and have a bottom which can be easily removed, for example. by means of an easy opening.
  • the cover is removed and the bottom torn off, for example. by means of a tear strip formed by lines of weakness just before cooking and the packaging containing the food placed on a ceramic plate or tray for cooking.
  • the principle of the invention can be applied to trays having multiple compartments.
  • the partition walls are made of, or partially or totally covered as indicated above with a reflective material. Microwave radiation.
  • the packaging may include a bottom made of cardboard or of a composite cardboard-plastic material fixed, for example welded to a peripheral wall in the form of a frame consisting solely of aluminum foil.
  • the packaging according to the invention is preferred For refrigerated or frozen products.
EP80104691A 1979-08-27 1980-08-09 Verpackung für Nahrungsmittel Ceased EP0024605A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE7907117 1979-08-27
SE7907117A SE7907117L (sv) 1979-08-27 1979-08-27 Forpackning for livsmedelsprodukter

Publications (1)

Publication Number Publication Date
EP0024605A1 true EP0024605A1 (de) 1981-03-11

Family

ID=20338701

Family Applications (1)

Application Number Title Priority Date Filing Date
EP80104691A Ceased EP0024605A1 (de) 1979-08-27 1980-08-09 Verpackung für Nahrungsmittel

Country Status (8)

Country Link
US (1) US4351997A (de)
EP (1) EP0024605A1 (de)
JP (1) JPS596789B2 (de)
AU (1) AU534134B2 (de)
BR (1) BR8005397A (de)
CA (1) CA1117915A (de)
ES (1) ES252937Y (de)
SE (1) SE7907117L (de)

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0063108A2 (de) * 1981-04-10 1982-10-20 AB Akerlund & Rausing Verpackungsmaterial
FR2527168A1 (fr) * 1982-05-18 1983-11-25 Keyes Fibre Co Recipient allant au four, a couvercle arrachable
FR2579565A1 (fr) * 1985-04-02 1986-10-03 Gorcy Sa Procede pour le rechauffage de produits alimentaires frais ou surgeles et moyens pour sa mise en oeuvre
EP0206811A2 (de) * 1985-06-25 1986-12-30 Alcan International Limited Behälter für Mikrowellenofen
WO1988001476A2 (en) * 1986-09-02 1988-03-10 The Pillsbury Company Microwave food product and method
EP0268895A2 (de) * 1986-11-27 1988-06-01 Melitta Haushaltsprodukte GmbH & Co. Kommanditgesellschaft Abdeckung für einen Behälter
WO1988005249A1 (en) * 1986-12-24 1988-07-14 Mardon Son & Hall Limited Microwave heating
EP0326811A1 (de) * 1988-02-01 1989-08-09 Societe Des Produits Nestle S.A. Verpackung zur Rekonstitution von eingefrorenem Teig oder dergleichen
EP0328052A1 (de) * 1988-02-12 1989-08-16 Scheuch Folien- u.Papierverarbeitung GmbH & Co. KG Gasdichte Verpackung
FR2636930A1 (fr) * 1988-09-08 1990-03-30 Larzul Sa Joseph Assiettes repas mixes, monoportions pretes a rechauffer
EP0397597A1 (de) * 1989-05-08 1990-11-14 Alusuisse-Lonza Services Ag Verpackung und Verfahren zu deren Erwärmen bzw. Sterilisation
FR2664805A1 (fr) * 1990-07-17 1992-01-24 Bossu Jean Marie Assiette composite pour aliments prealablement prepares.
US5101084A (en) * 1986-09-02 1992-03-31 The Pillsbury Company Microwave food products and method of their manufacture and heating
US5140121A (en) * 1986-09-02 1992-08-18 The Pillsbury Company Microwave food product and methods of their manufacture and heating
FR2813583A1 (fr) * 2000-09-01 2002-03-08 Microondes Syst Sa Recipient pour un chauffage homogene de son contenu par micro-ondes

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JPS5926778U (ja) * 1982-08-09 1984-02-18 東洋アルミニウム株式会社 食品用容器
GB2153760B (en) * 1984-02-10 1988-02-17 Bates W & A Ltd Feeding strip material in the manufacture of pneumatic tyres
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US4567341A (en) * 1984-08-02 1986-01-28 James River-Norwalk, Inc. Side vented and shielded microwave pizza carton
US4626641A (en) * 1984-12-04 1986-12-02 James River Corporation Fruit and meat pie microwave container and method
DE3576485D1 (de) * 1984-12-10 1990-04-19 House Food Industrial Co Durch ein mikrowellengeraet erwaermter behaelter.
US4777053A (en) * 1986-06-02 1988-10-11 General Mills, Inc. Microwave heating package
US4689458A (en) * 1986-07-21 1987-08-25 Aluminum Co. Of America Container system for microwave cooking
GB8621009D0 (en) * 1986-08-30 1986-10-08 Waddingtons Cartons Ltd Heat treatable containers
US5008507A (en) * 1986-09-02 1991-04-16 The Pillsbury Company Microwave food products and method of their manufacture
US4988841A (en) * 1986-09-02 1991-01-29 The Pillsbury Company Microwave food products and method of their manufacture
US4851631A (en) * 1986-10-23 1989-07-25 The Pillsbury Company Food container for microwave heating and method of substantially eliminating arching in a microwave food container
JPS63226268A (ja) * 1987-03-16 1988-09-20 Nichirei:Kk 冷凍食品を電子レンジにより解凍調理する方法およびそのための冷凍食品のリテイナ−
WO1988009754A1 (en) * 1987-06-09 1988-12-15 Leigh-Mardon Pty. Limited Microwave interactive package
AU597840B2 (en) * 1987-06-09 1990-06-07 Leigh-Mardon Pty Limited Microwave interactive package with steam
US4801777A (en) * 1987-09-03 1989-01-31 Vanderbilt University Blood rewarming method and apparatus
US4894503A (en) * 1987-10-23 1990-01-16 The Pillsbury Company Packages materials for shielded food containers used in microwave ovens
US4891482A (en) * 1988-07-13 1990-01-02 The Stouffer Corporation Disposable microwave heating receptacle and method of using same
US5310980A (en) * 1988-11-28 1994-05-10 Beckett Industries, Inc. Control of microwave energy in cooking foodstuffs
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EP0511507B1 (de) 1991-04-30 1995-08-09 Frisco-Findus Ag Verpackung mit einer mikrowellenreflektierenden Schicht
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Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0063108A3 (de) * 1981-04-10 1983-01-05 AB Akerlund & Rausing Verpackungsmaterial
EP0063108A2 (de) * 1981-04-10 1982-10-20 AB Akerlund & Rausing Verpackungsmaterial
FR2527168A1 (fr) * 1982-05-18 1983-11-25 Keyes Fibre Co Recipient allant au four, a couvercle arrachable
FR2579565A1 (fr) * 1985-04-02 1986-10-03 Gorcy Sa Procede pour le rechauffage de produits alimentaires frais ou surgeles et moyens pour sa mise en oeuvre
EP0206811A2 (de) * 1985-06-25 1986-12-30 Alcan International Limited Behälter für Mikrowellenofen
EP0206811A3 (en) * 1985-06-25 1989-02-08 Alcan International Limited Microwave container
WO1988001476A2 (en) * 1986-09-02 1988-03-10 The Pillsbury Company Microwave food product and method
WO1988001476A3 (en) * 1986-09-02 1988-03-24 Pillsbury Co Microwave food product and method
US5140121A (en) * 1986-09-02 1992-08-18 The Pillsbury Company Microwave food product and methods of their manufacture and heating
US5101084A (en) * 1986-09-02 1992-03-31 The Pillsbury Company Microwave food products and method of their manufacture and heating
EP0268895A3 (en) * 1986-11-27 1989-09-20 Melitta-Werke Bentz & Sohn Covering for a container
EP0268895A2 (de) * 1986-11-27 1988-06-01 Melitta Haushaltsprodukte GmbH & Co. Kommanditgesellschaft Abdeckung für einen Behälter
GB2220334B (en) * 1986-12-24 1990-06-13 Mardon Son & Hall Limited Microwave heating
GB2220334A (en) * 1986-12-24 1990-01-04 Mardon Son & Hall Limited Microwave heating
WO1988005249A1 (en) * 1986-12-24 1988-07-14 Mardon Son & Hall Limited Microwave heating
EP0326811A1 (de) * 1988-02-01 1989-08-09 Societe Des Produits Nestle S.A. Verpackung zur Rekonstitution von eingefrorenem Teig oder dergleichen
EP0328052A1 (de) * 1988-02-12 1989-08-16 Scheuch Folien- u.Papierverarbeitung GmbH & Co. KG Gasdichte Verpackung
FR2636930A1 (fr) * 1988-09-08 1990-03-30 Larzul Sa Joseph Assiettes repas mixes, monoportions pretes a rechauffer
EP0397597A1 (de) * 1989-05-08 1990-11-14 Alusuisse-Lonza Services Ag Verpackung und Verfahren zu deren Erwärmen bzw. Sterilisation
FR2664805A1 (fr) * 1990-07-17 1992-01-24 Bossu Jean Marie Assiette composite pour aliments prealablement prepares.
WO1992001413A1 (fr) * 1990-07-17 1992-02-06 Bossu Jean Marie Assiette composite pour aliments prealablement prepares
FR2813583A1 (fr) * 2000-09-01 2002-03-08 Microondes Syst Sa Recipient pour un chauffage homogene de son contenu par micro-ondes

Also Published As

Publication number Publication date
SE7907117L (sv) 1981-02-28
JPS596789B2 (ja) 1984-02-14
US4351997A (en) 1982-09-28
CA1117915A (fr) 1982-02-09
ES252937U (es) 1981-05-01
BR8005397A (pt) 1981-03-10
AU534134B2 (en) 1984-01-05
ES252937Y (es) 1981-11-01
AU6154780A (en) 1981-03-05
JPS5632261A (en) 1981-04-01

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