EP1053944A1 - Packaging method as well as package for preservation and/or cooking or reheating of food products - Google Patents

Packaging method as well as package for preservation and/or cooking or reheating of food products Download PDF

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Publication number
EP1053944A1
EP1053944A1 EP00440143A EP00440143A EP1053944A1 EP 1053944 A1 EP1053944 A1 EP 1053944A1 EP 00440143 A EP00440143 A EP 00440143A EP 00440143 A EP00440143 A EP 00440143A EP 1053944 A1 EP1053944 A1 EP 1053944A1
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EP
European Patent Office
Prior art keywords
packaging
container
cooking
food products
film
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.)
Granted
Application number
EP00440143A
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German (de)
French (fr)
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EP1053944B1 (en
Inventor
Philippe Beaufils
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.)
Groupe Guillin SA
Sealed Air SAS
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Groupe Guillin SA
Sealed Air SAS
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Publication date
Application filed by Groupe Guillin SA, Sealed Air SAS filed Critical Groupe Guillin SA
Publication of EP1053944A1 publication Critical patent/EP1053944A1/en
Application granted granted Critical
Publication of EP1053944B1 publication Critical patent/EP1053944B1/en
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
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B25/00—Packaging other articles presenting special problems
    • B65B25/22—Packaging articles of food, e.g. fish fillets, intended to be cooked in the package
    • 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
    • B65D2205/00—Venting means
    • 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
    • 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
    • B65D2581/345—Chemical browning agents or aroma adding agents, e.g. smoked flavour

Definitions

  • the present invention relates to a packaging method and a packaging for preservation and / or cooking or reheating of food products.
  • the process and the packaging according to the invention are intended to allow the conservation and cooking or reheating, using saturated steam using a microwave, all fresh food products, such as vegetables or raw or precooked fruit or various cooked food products.
  • EP-701995A, EP-732275A a device for packaging and storage of fresh food products such as meats, fish or the like, tending to exude liquids promoting the proliferation of bacterial flora which thus limits the duration of consumption authorized, this device consisting of a plastic tray comprising an impermeable bottom and a false bottom presenting perforations, disposed above and at a distance from the bottom, an absorbent pad being disposed between said bottom and said false bottom, this absorbent pad containing an inhibitor chemical neutralization of product fumes, and possibly other agents such as a regenerative reagent capable of modifying the atmosphere containment of said products, depending on their fumes.
  • Such a device can solve the problem of treatment of exudates released from food products of animal origin such as tripe, meat, fish, etc., it does not solve the previously exposed problem of preservation and / or cooking or reheating, by saturated steam, of products such as fresh vegetables, cooked preparations or the like, per pass in the microwave, linked to the phenomenon of dehydration of these products.
  • the invention therefore proposes to solve this specific problem.
  • this object is achieved thanks to a packaging process and to packaging according to which the food products are housed in a hermetically sealed package comprising a container or tray containing an impermeable bottom and a false bottom provided with perforations, arranged above and away from the bottom, a saturator or humidifier pad soaked in water, with or without a treatment agent, being placed between said bottom and said false bottom, the container or tray being closed by a plastic film welded to the periphery of said container.
  • the packaging that is to say the tray and the closure film are made of transparent materials resistant to the heat given off by microwave ovens, when of their use.
  • conditioning when it is not not used as an additional name in the expression "process of packaging" designates an article consisting of packaging and the product food contained in it.
  • This packaging includes a container or tray 1 provided with a double bottom consisting of a bottom 2, preferably waterproof, and a false bottom 3 arranged above and at a distance from this bottom.
  • the false bottom 3 is provided with a plurality of perforations 4, for example of circular shape, and preferably regularly spaced and distributed over the entire surface of said false bottom.
  • the container 1 is, for example constituted by a double shell comprising an outer shell 5 comprising the bottom 2 and an inner shell 6 of dimensions more reduced comprising the false perforated bottom 3 and fitted into said shell external 5.
  • the tray 1 and, therefore, according to the example illustrated, the external 5 and internal 6 shells can be made in all materials transparent to microwaves, waterproof and able to withstand heat given off by microwave ovens designed for cooking, when the use of these ovens, that is to say, practically, at a heat at least equal to 100 ° C, causing no deformation or migration of their components to the food or water in the package.
  • the hulls are, by example, thermoformed from any semi-rigid food plastic fulfilling the above requirements, such as, for example, polypropylene (PP).
  • the external 5 and internal 6 shells can be made integral one of the other, by any suitable method, for example by means of an operation of heat welding, at the upper edge of the peripheral walls of said hulls or through their funds, one of which includes, in this case, ribs allowing this welding and the maintenance of a space between said bottoms 2 and 3.
  • the shells 5 and 6 constituting the container or rigid tray 1 may include ribs ensuring their rigidity.
  • a saturator or humidifier pad 7 In the space E formed between the bottom 2 and the false bottom 3, is disposed a saturator or humidifier pad 7 preferably occupying all or almost all entire said space.
  • This humidifier pad 7 consists of a material plate spongy, for example of the food blotter type, soaked in water.
  • This spongy plate can be made of a nonwoven of original fibers vegetable, animal or synthetic.
  • the weight of the volume of water retained in the humidifier pad is 40 to 60 times greater than the weight of said buffer in the non-impregnated state.
  • the water impregnating the sponge material plate can be added with at least at least one food processing agent 8 housed in packaging 1-9, such as, for example, a preservative, a chemical or natural agent flavoring, etc.
  • Fresh food products 8 such as raw or precooked vegetables or fruit, cooked or other preparations, are housed in the container or tray 1 and held therein by means of a film or transparent film 9 fixed by thermal welding, for example on the periphery of the upper edge of said tray.
  • This transparent film can be made of any plastic material with the qualities required for the packaging and for the cooking or reheating food, such as transparency to light and microwave, flexibility, extensibility, retractability, compliance with food regulations, resistance to heat generated by microwaves, resistance to the pressure generated by the steam inside the container during cooking, air permeability (allowing fresh products to breathe without direct contact with the ambient air thus preventing them from suffocation and degradation premature).
  • the transparent film 9 can, for example, be made of polyethylene or polyethylene terephthalate (PET), and more specifically and preferably retractable anti-fog polyolefin, with coextruded multilayer structure.
  • PET polyethylene or polyethylene terephthalate
  • the packaging produced according to the invention is prepared by the senders of raw or precooked vegetables or fruit or by manufacturers who make dishes prepared, upstream of consumer sales channels, so that products thus conditioned are maintained until their consumption, in specific environment with a humidity which delays the process of drying of said products.
  • microwave cooking thus acts simultaneously on solid products and water contained in the package, creating the ideal conditions for cooking or reheating with saturated steam, thus avoiding any dehydration of said products.
  • a perforation 10 is provided in the closure film 9. This perforation is performed when the packaging is produced.
  • a tablet or label detachable opercular food 11 is glued to the perforation after completion packaging, in order to close off said perforation. This opercular patch detachable is removed by the consumer before placing the packaging in the microwave.

Abstract

The container, which is hermetically sealed by a plastic film cover after filling with the foodstuff, has a base and a false bottom with perforations. A water-soaked pad or humidifier, made from a spongy material containing a chemical or natural flavori agent, is located in the space between the base and false bottom. The film cover has a hole in it covered by a detachable sealing disc or label which can be removed before the container is placed in a microwave oven, the container and cover being made from microwavable materials.

Description

La présente invention concerne un procédé de conditionnement et un conditionnement pour la conservation et/ou la cuisson ou le réchauffage de produits alimentaires. Selon une application plus particulièrement intéressante, quoique nullement limitative, le procédé et le conditionnement selon l'invention sont destinés à permettre la conservation et la cuisson ou le réchauffage, par vapeur saturante à l'aide d'un micro-ondes, de tous produits alimentaires frais, tels que légumes ou fruits crus ou précuits ou produits alimentaires cuisinés divers.The present invention relates to a packaging method and a packaging for preservation and / or cooking or reheating of food products. According to a particular application interesting, although by no means limiting, the process and the packaging according to the invention are intended to allow the conservation and cooking or reheating, using saturated steam using a microwave, all fresh food products, such as vegetables or raw or precooked fruit or various cooked food products.

De nombreux produits alimentaires tels que certains légumes ou fruits frais ou précuits, ou certains plats cuisinés, sont commercialisés dans des barquettes en matière plastique recouvertes par un film rétractable, par exemple exécuté en polyéthylène ou analogue, avec des instructions préconisant, le cas échéant, les modalités de leur cuisson ou de leur réchauffage dans un four à micro-ondes.Many food products such as certain vegetables or fruits fresh or pre-cooked, or some cooked meals, are sold in plastic trays covered with shrink film, example made of polyethylene or the like, with instructions recommending, if necessary, the methods of their cooking or their reheating in a microwave oven.

Ce mode de conditionnement présente au moins deux inconvénients, à savoir :

  • un risque de déshydratation accélérée des produits alimentaires si les barquettes de ces produits ne sont pas conservées dans les conditions les plus favorables de température et d'hygrométrie ;
  • un risque de dessiccation avancée lors de leur passage dans le micro-ondes altérant la consistance, les qualités organoleptiques et les vitamines des produits.
This packaging method has at least two drawbacks, namely:
  • a risk of accelerated dehydration of food products if the trays of these products are not stored in the most favorable conditions of temperature and humidity;
  • a risk of advanced desiccation during their passage in the microwave altering the consistency, the organoleptic qualities and the vitamins of the products.

On connaít (EP-701995A, EP-732275A) un dispositif pour le conditionnement et la conservation de produits alimentaires frais tels que viandes, poissons ou analogues, tendant à exsuder des liquides favorisant la prolifération des flores bactériennes qui en limitent ainsi la durée de consommation autorisée, ce dispositif étant constitué par une barquette de matière plastique comportant un fond imperméable et un faux fond présentant des perforations, disposé au-dessus et à distance du fond, un tampon absorbant étant disposé entre ledit fond et ledit faux fond, ce tampon absorbant contenant un inhibiteur chimique de neutralisation des émanations des produits, et éventuellement d'autres agents tels qu'un réactif de régénération capable de modifier l'atmosphère de confinement desdits produits, en fonction de leurs émanations.We know (EP-701995A, EP-732275A) a device for packaging and storage of fresh food products such as meats, fish or the like, tending to exude liquids promoting the proliferation of bacterial flora which thus limits the duration of consumption authorized, this device consisting of a plastic tray comprising an impermeable bottom and a false bottom presenting perforations, disposed above and at a distance from the bottom, an absorbent pad being disposed between said bottom and said false bottom, this absorbent pad containing an inhibitor chemical neutralization of product fumes, and possibly other agents such as a regenerative reagent capable of modifying the atmosphere containment of said products, depending on their fumes.

Si un tel dispositif peut résoudre le problème du traitement des exsudats libérés par les produits alimentaires d'origine animale tels que tripes, pièces de viandes, poissons, etc., il ne résout pas le problème précédemment exposé de conservation et/ou de cuisson ou de réchauffage, par vapeur saturante, des produits tels que légumes frais, préparations cuisinées ou analogues, par passage au micro-ondes, lié au phénomène de déshydratation de ces produits.If such a device can solve the problem of treatment of exudates released from food products of animal origin such as tripe, meat, fish, etc., it does not solve the previously exposed problem of preservation and / or cooking or reheating, by saturated steam, of products such as fresh vegetables, cooked preparations or the like, per pass in the microwave, linked to the phenomenon of dehydration of these products.

L'invention se propose donc de résoudre ce problème spécifique.The invention therefore proposes to solve this specific problem.

Selon l'invention, ce but est atteint grâce à un procédé de conditionnement et à un conditionnement suivant lesquels les produits alimentaires sont logés dans un emballage hermétiquement clos comprenant un récipient ou barquette comportant un fond imperméable et un faux fond muni de perforations, disposé au-dessus et à distance du fond, un tampon saturateur ou humidificateur imbibé d'eau, additionnée ou non d'un agent de traitement, étant placé entre ledit fond et ledit faux fond, le récipient ou barquette étant fermé par un film plastique soudé sur la périphérie dudit récipient.According to the invention, this object is achieved thanks to a packaging process and to packaging according to which the food products are housed in a hermetically sealed package comprising a container or tray containing an impermeable bottom and a false bottom provided with perforations, arranged above and away from the bottom, a saturator or humidifier pad soaked in water, with or without a treatment agent, being placed between said bottom and said false bottom, the container or tray being closed by a plastic film welded to the periphery of said container.

Selon une autre disposition caractéristique de l'invention, l'emballage c'est-à-dire la barquette et le film de fermeture sont exécutés dans des matériaux transparents aux micro-ondes et résistant à la chaleur dégagée par les fours à micro-ondes, lors de leur utilisation.According to another characteristic arrangement of the invention, the packaging, that is to say the tray and the closure film are made of transparent materials resistant to the heat given off by microwave ovens, when of their use.

Le procédé et le conditionnement selon l'invention procurent plusieurs avantages:

  • ils évitent une dessiccation accélérée des produits alimentaires frais durant la période comprise entre leur emballage et leur consommation ;
  • ils apportent une amélioration importante de la durée de vie des produits conditionnés, grâce à la régulation qui s'opère naturellement à l'intérieur du récipient suivant un principe de photosynthèse (oxygène + eau + lumière) ;
  • ils permettent une cuisson ou un réchauffage rapides, sans déshydratation des produits frais, crus, précuits ou cuisinés, par exempte conditionnés en portions de 50 g à 1 kg ;
  • ils permettent d'obtenir une meilleure conservation des qualités organoleptiques, des vitamines et des saveurs contenues dans les produits.
The process and the packaging according to the invention provide several advantages:
  • they prevent accelerated drying of fresh food products during the period between their packaging and their consumption;
  • they bring a significant improvement in the lifespan of the packaged products, thanks to the regulation which takes place naturally inside the container according to a photosynthesis principle (oxygen + water + light);
  • they allow rapid cooking or reheating without dehydrating fresh, raw, precooked or cooked products, for example packaged in portions of 50 g to 1 kg;
  • they allow better preservation of the organoleptic qualities, vitamins and flavors contained in the products.

Les buts, caractéristiques et avantages ci-dessus, et d'autres encore, ressortiront mieux de la description qui suit et du dessin annexé, dans lequel :

  • la figure 1 est une demi vue en coupe longitudinale et à échelle agrandie, d'un conditionnement exécuté selon l'invention ;
  • la figure 2 est une vue avec arrachements partiels, en plan et en coupe selon la ligne 2-2 de la figure 1.
The aims, characteristics and advantages above, and others still, will emerge more clearly from the description which follows and from the appended drawing, in which:
  • Figure 1 is a half view in longitudinal section and on an enlarged scale, of a packaging executed according to the invention;
  • FIG. 2 is a view with partial cutaway, in plan and in section along line 2-2 of FIG. 1.

On se réfère audit dessin pour décrire un exemple intéressant, bien que nullement limitatif, de mise en oeuvre du procédé de conditionnement et de réalisation du conditionnement selon l'invention.We refer to said drawing to describe an interesting example, although in no way limiting, implementation of the packaging process and realization of the packaging according to the invention.

Dans l'exposé qui suit, on précise que le mot "conditionnement" lorsqu'il n'est pas utilisé comme complément de nom dans l'expression "procédé de conditionnement", désigne un article constitué par un emballage et le produit alimentaire contenu dans celui-ci.In the description which follows, it is specified that the word "conditioning" when it is not not used as an additional name in the expression "process of packaging ", designates an article consisting of packaging and the product food contained in it.

Ce conditionnement comprend un récipient ou barquette 1 munie d'un double fond constitué d'un fond 2, de préférence imperméable à l'eau, et d'un faux fond 3 disposé au-dessus et à distance de ce fond. Le faux fond 3 est pourvu d'une pluralité de perforations 4, par exemple de forme circulaire, et, de préférence, régulièrement espacées et réparties sur la totalité de la surface dudit faux fond.This packaging includes a container or tray 1 provided with a double bottom consisting of a bottom 2, preferably waterproof, and a false bottom 3 arranged above and at a distance from this bottom. The false bottom 3 is provided with a plurality of perforations 4, for example of circular shape, and preferably regularly spaced and distributed over the entire surface of said false bottom.

Le récipient 1 est, par exemple constitué par une double coque comprenant une coque externe 5 comportant le fond 2 et une coque interne 6 de dimensions plus réduites comportant le faux fond perforé 3 et emboítée dans ladite coque externe 5.The container 1 is, for example constituted by a double shell comprising an outer shell 5 comprising the bottom 2 and an inner shell 6 of dimensions more reduced comprising the false perforated bottom 3 and fitted into said shell external 5.

Compte tenu de l'application intéressante du procédé et du conditionnement de l'invention à la commercialisation de produits destinés à être cuits ou réchauffés à l'aide d'un micro-ondes, la barquette 1 et, par conséquent, selon l'exemple illustré, les coques externe 5 et interne 6 peuvent être exécutées dans tous matériaux transparents aux micro-ondes, imperméables à l'eau et capables de résister à la chaleur dégagée par les fours à micro-ondes conçus pour la cuisine, lors de l'utilisation de ces fours, c'est-à-dire, pratiquement, à une chaleur au moins égale à 100°C, en entraínant aucune déformation ni migration de leurs composants vers les aliments ou l'eau contenue dans le conditionnement. Les coques sont, par exemple, thermoformées en toute matière plastique alimentaire semi-rigide remplissant les exigences susmentionnées, telle que, par exemple, en polypropylène (PP).Given the interesting application of the process and the conditioning of the invention to the marketing of products intended to be cooked or reheated to using a microwave, the tray 1 and, therefore, according to the example illustrated, the external 5 and internal 6 shells can be made in all materials transparent to microwaves, waterproof and able to withstand heat given off by microwave ovens designed for cooking, when the use of these ovens, that is to say, practically, at a heat at least equal to 100 ° C, causing no deformation or migration of their components to the food or water in the package. The hulls are, by example, thermoformed from any semi-rigid food plastic fulfilling the above requirements, such as, for example, polypropylene (PP).

Les coques externe 5 et interne 6 peuvent être rendues solidaires l'une de l'autre, par tout procédé convenable, par exemple au moyen d'une opération de thermo-soudage, au niveau du bord supérieur des parois périphériques desdites coques ou par l'intermédiaire de leurs fonds dont l'un comporte, dans ce cas, des nervures permettant ce soudage et le maintien d'un espace entre lesdits fonds 2 et 3.The external 5 and internal 6 shells can be made integral one of the other, by any suitable method, for example by means of an operation of heat welding, at the upper edge of the peripheral walls of said hulls or through their funds, one of which includes, in this case, ribs allowing this welding and the maintenance of a space between said bottoms 2 and 3.

De manière connue en soi, les coques 5 et 6 constituant le récipient ou barquette rigide 1 peuvent comporter des nervures assurant leur rigidité.In a manner known per se, the shells 5 and 6 constituting the container or rigid tray 1 may include ribs ensuring their rigidity.

Dans l'espace E ménagé entre le fond 2 et le faux fond 3, est disposé un tampon saturateur ou humidificateur 7 occupant, de préférence, la totalité ou la quasi totalité dudit espace.In the space E formed between the bottom 2 and the false bottom 3, is disposed a saturator or humidifier pad 7 preferably occupying all or almost all entire said space.

Ce tampon humidificateur 7 est constitué par une plaque de matière spongieuse, par exemple du genre buvard alimentaire, imbibée d'eau. Cette plaque spongieuse peut être constituée par un non tissé de fibres d'origine végétale, animale ou synthétique. De manière avantageuse, le poids du volume d'eau retenu dans le tampon humidificateur est de 40 à 60 fois supérieur au poids dudit tampon à l'état non imprégné.This humidifier pad 7 consists of a material plate spongy, for example of the food blotter type, soaked in water. This spongy plate can be made of a nonwoven of original fibers vegetable, animal or synthetic. Advantageously, the weight of the volume of water retained in the humidifier pad is 40 to 60 times greater than the weight of said buffer in the non-impregnated state.

L'eau imprégnant la plaque de matière spongieuse peut être additionnée d'au moins un agent de traitement des produits alimentaires 8 logés dans l'emballage 1-9, tels que, par exemple, un agent de conservation, un agent chimique ou naturel d'aromatisation, etc.The water impregnating the sponge material plate can be added with at least at least one food processing agent 8 housed in packaging 1-9, such as, for example, a preservative, a chemical or natural agent flavoring, etc.

Les produits alimentaires frais 8 tels que légumes ou fruits crus ou précuits, préparations cuisinées ou autres, sont logés dans le récipient ou barquette 1 et maintenus dans celle-ci au moyen d'une pellicule ou film transparent 9 fixé par soudage thermique, par exemple sur le pourtour du bord supérieur de ladite barquette. Ce film transparent peut être réalisé en toute matière plastique présentant les qualités requises pour la réalisation du conditionnement et pour la cuisson ou le réchauffage des denrées alimentaires, telles que transparence à la lumière et aux micro-ondes, souplesse, extensibilité, rétractabilité, conformité à la réglementation alimentaire, résistance aux chaleurs dégagées par les micro-ondes, résistance à la pression générée par la vapeur située dans l'enceinte du récipient lors de la cuisson, perméabilité à l'air (permettant aux produits frais de respirer sans contact direct avec l'air ambiant leur évitant ainsi l'asphyxie et une dégradation prématurée).Fresh food products 8 such as raw or precooked vegetables or fruit, cooked or other preparations, are housed in the container or tray 1 and held therein by means of a film or transparent film 9 fixed by thermal welding, for example on the periphery of the upper edge of said tray. This transparent film can be made of any plastic material with the qualities required for the packaging and for the cooking or reheating food, such as transparency to light and microwave, flexibility, extensibility, retractability, compliance with food regulations, resistance to heat generated by microwaves, resistance to the pressure generated by the steam inside the container during cooking, air permeability (allowing fresh products to breathe without direct contact with the ambient air thus preventing them from suffocation and degradation premature).

Le film transparent 9 peut, par exemple, être exécuté en polyéthylène ou en polyéthylène téréphtalate (PET), et, plus précisément et de préférence, en polyoléfine rétractable anti-buée, à structure multicouches coextrudées.The transparent film 9 can, for example, be made of polyethylene or polyethylene terephthalate (PET), and more specifically and preferably retractable anti-fog polyolefin, with coextruded multilayer structure.

Le conditionnement réalisé selon l'invention est préparé par les expéditeurs de légumes ou fruits crus ou précuits ou par les industriels qui confectionnent des plats cuisinés, en amont des circuits de ventes aux consommateurs, de sorte que les produits ainsi conditionnés sont maintenus jusqu'à leur consommation, dans in environnement spécifique présentant une hygrométrie qui retarde le processus de dessiccation desdits produits.The packaging produced according to the invention is prepared by the senders of raw or precooked vegetables or fruit or by manufacturers who make dishes prepared, upstream of consumer sales channels, so that products thus conditioned are maintained until their consumption, in specific environment with a humidity which delays the process of drying of said products.

D'autre part, lorsque le conditionnement est placé dans un four à micro-ondes, en vue de la cuisson ou du réchauffage du produit alimentaire qu'il renferme, l'eau contenue dans le tampon saturateur ou humidificateur 7 se transforme rapidement en vapeur. Cette vapeur s'échappe par les trous 4 ménagés dans le faux fond 3 du récipient 1 et vient occuper l'ensemble du volume délimité par ledit récipient et le film de fermeture 9.On the other hand, when the packaging is placed in a microwave oven, for cooking or reheating the food product it contains, water contained in the saturator or humidifier pad 7 transforms quickly in vapor. This vapor escapes through the holes 4 made in the false bottom 3 of container 1 and occupies the entire volume delimited by said container and the closing film 9.

Le principe de la cuisson par micro-ondes agit ainsi simultanément sur les produits solides et l'eau contenus dans l'emballage, en créant les conditions idéales pour une cuisson ou un réchauffage par vapeur saturante, en évitant ainsi toute déshydratation desdits produits.The principle of microwave cooking thus acts simultaneously on solid products and water contained in the package, creating the ideal conditions for cooking or reheating with saturated steam, thus avoiding any dehydration of said products.

Afin d'éviter toute surpression conduisant à une déformation non désirable du récipient, lors de la cuisson, une perforation 10 est prévue dans le film de fermeture 9. Cette perforation est exécutée lors de la réalisation du conditionnement. Pour prévenir tout contact des produits avec l'air amblant, une pastille ou étiquette alimentaire operculaire détachable 11 est collée sur la perforation après réalisation du conditionnement, afin d'obturer ladite perforation. Cette pastille operculaire détachable est retirée par le consommateur avant de passer le conditionnement au micro-ondes.In order to avoid any overpressure leading to an undesirable deformation of the container, during cooking, a perforation 10 is provided in the closure film 9. This perforation is performed when the packaging is produced. For prevent any contact of the products with the ambling air, a tablet or label detachable opercular food 11 is glued to the perforation after completion packaging, in order to close off said perforation. This opercular patch detachable is removed by the consumer before placing the packaging in the microwave.

Claims (10)

Procédé de conditionnement pour la conservation et/ou la cuisson ou le réchauffage de produits alimentaires frais, tels que, par exemple, légumes ou fruits crus ou précuits ou plats cuisinés, suivant lequel lesdits produits alimentaires (8) sont logés dans un emballage hermétiquement clos constitué, d'une part, d'un récipient ou barquette (1) comportant un fond (2) et un faux fond (3) muni de perforations (4), disposé au-dessus et à distance dudit fond, et, d'autre part, d'un film de matière plastique (9) de couverture, soudé sur ledit récipient (1), caractérisé en ce que l'on place, dans la partie inférieure du récipient (1), dans l'espace (E) ménagé entre le fond (2) et le faux fond (3) de ce dernier, un tampon saturateur ou humidificateur (7) imbibé d'eau.Packaging method for preservation and / or cooking or reheating fresh food products, such as, for example, vegetables or fruit raw or precooked or cooked meals, according to which said food products (8) are housed in a hermetically sealed package consisting, on the one hand, of a container or tray (1) comprising a bottom (2) and a false bottom (3) provided with perforations (4), disposed above and at a distance from said bottom, and, on the other hand, of a cover plastic film (9), welded to said container (1), characterized in that one places, in the lower part of the container (1), in the space (E) formed between the bottom (2) and the false bottom (3) of the latter, a saturator pad or humidifier (7) soaked in water. Conditionnement pour la conservation et/ou la cuisson ou le réchauffage de produits alimentaires frais, tels que, par exemple, légumes ou fruits crus ou précuits ou plats cuisinés, comprenant un emballage hermétiquement clos dans lequel sont placés lesdits produits alimentaires (8), cet emballage comprenant, d'une part, un récipient ou barquette (1 ) comportant un fond (2) et un faux fond (3) muni de perforations (4), disposé au-dessus et à distance dudit fond (2) et, d'autre part, un film de matière plastique (9) recouvrant le récipient et son contenu et soudé sur ledit récipient, caractérisé en ce qu'il comprend encore un tampon saturateur ou humidificateur (7) imbibé d'eau, placé dans l'espace (E) ménagé entre le fond (2) et le faux fond (3) dudit récipient (1).Packaging for preservation and / or cooking or reheating fresh food, such as, for example, raw vegetables or fruit or precooked or cooked meals, including a hermetically sealed package in which said food products (8) are placed, this packaging comprising, on the one hand, a container or tray (1) comprising a bottom (2) and a false bottom (3) provided with perforations (4), disposed above and at a distance from said bottom (2) and, on the other part, a plastic film (9) covering the container and its contents and welded on said container, characterized in that it also comprises a saturator pad or humidifier (7) soaked in water, placed in the space (E) formed between the bottom (2) and the false bottom (3) of said container (1). Procédé de conditionnement selon la revendication 1, caractérisé en ce qu'une perforation (10) est pratiquée dans le film de fermeture (9), et en ce que l'on obture cette perforation au moyen d'une pastille ou étiquette operculaire détachable (11) qui peut être enlevée avant passage du conditionnement au four à micro-ondes.Packaging method according to claim 1, characterized in that that a perforation (10) is made in the closure film (9), and in that one seal this perforation by means of a seal or label detachable (11) which can be removed before passing from the packaging to the oven microwave. Conditionnement suivant la revendication 2, caractérisé en ce que les composants (1, 9) de l'emballage sont réalisés dans des matériaux transparents aux micro-ondes et résistants à la chaleur dégagée par les fours à micro-ondes.Packaging according to claim 2, characterized in that the components (1, 9) of the packaging are made of transparent materials resistant to the heat given off by microwave ovens. Conditionnement selon la revendication 2, caractérisé en ce que le film de fermeture (9) est muni d'une perforation (10) obturée au moyen d'une pastille ou étiquette operculaire détachable (11) qui peut être enlevée avant passage dudit conditionnement au four à micro-ondes. Packaging according to claim 2, characterized in that the film of closure (9) is provided with a perforation (10) closed by means of a patch or detachable opercular label (11) which can be removed before passage of said conditioning in microwave oven. Conditionnement selon l'une des revendications 2 ou 4, caractérisé en ce que son récipient (1) est exécuté en matière plastique et, par exemple, en polypropylène (PP).Packaging according to one of claims 2 or 4, characterized in that that its container (1) is made of plastic and, for example, polypropylene (PP). Conditionnement selon l'une quelconque des revendications 2, 4 ou 6, caractérisé en ce que le film de fermeture (9) est exécuté en polyéthylène ou en polyéthylène téréphtalate (PET).Packaging according to any one of claims 2, 4 or 6, characterized in that the closure film (9) is made of polyethylene or polyethylene terephthalate (PET). Conditionnement suivant l'une quelconque des revendications 2, 4 ou 6, caractérisé en ce que le film de fermeture (9) est exécuté en polyoléfine rétractable anti-buée, à structure multicouches coextrudées.Packaging according to any one of claims 2, 4 or 6, characterized in that the closure film (9) is made of shrinkable polyolefin anti-fog, with coextruded multilayer structure. Conditionnement selon la revendication 2, caractérisé en ce que le tampon saturateur ou humidificateur (7) est constitué par une plaque de matière spongieuse.Packaging according to claim 2, characterized in that the saturator or humidifier pad (7) consists of a material plate spongy. Conditionnement suivant l'une des revendications 2 ou 9, caractérisé en ce que l'eau imprégnant le tampon saturateur ou humidificateur (7) contient au moins un agent de traitement des produits alimentaires (8) logés dans l'emballage (1-9), tel que par exemple, un agent chimique ou naturel d'aromatisation.Packaging according to one of claims 2 or 9, characterized in at least the water impregnating the saturator or humidifier pad (7) a food processing agent (8) housed in the packaging (1-9), such as for example, a chemical or natural flavoring agent.
EP00440143A 1999-05-21 2000-05-19 Packaging method as well as package for preservation and/or cooking or reheating of food products Expired - Lifetime EP1053944B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9906680A FR2793771B1 (en) 1999-05-21 1999-05-21 PACKAGING PROCESS AND PACKAGING FOR THE PRESERVATION AND / OR COOKING OR HEATING OF FOOD PRODUCTS
FR9906680 1999-05-21

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JP (1) JP2003500297A (en)
CN (1) CN1134368C (en)
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NO (1) NO20014069L (en)
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EP1231160A1 (en) * 2001-02-12 2002-08-14 Sealed Air S.A.S. Package for the preservation and cooking or reheating of food products
WO2002076851A1 (en) * 2001-03-27 2002-10-03 Atmosphere Controle Water vapour generating device for heating foodstuffs in a microwave oven
FR2822931A1 (en) * 2001-03-27 2002-10-04 Atmosphere Controle Water vapor generator for microwaveable food comprises porous sachet of gel that absorbs microwaves and contains ten times its weight in water
FR2822933A1 (en) * 2001-03-27 2002-10-04 Atmosphere Controle Water vapor generator for microwaveable food comprises porous sachet of gel that absorbs microwaves and contains ten times its weight in water
EP1445213A1 (en) 2003-02-10 2004-08-11 Cryovac, Inc. Microwaweable container
FR2860213A1 (en) * 2003-09-26 2005-04-01 Alain Sebban Disposable container for food product allowing it to be cooked by steaming in microwave oven has outer and inner receptacles with false bottom to hold water
WO2006067413A1 (en) * 2004-12-22 2006-06-29 Easy Pad Limited Packaging tray
WO2007003864A2 (en) * 2005-07-05 2007-01-11 Alain Sebban Packaging box for packaging, preserving, microwave steam cooking and consumption of foods
FR2888222A1 (en) * 2005-07-05 2007-01-12 Claude Sebban Receptacle of a microwave passing material, for pasta products preparation cooked in a micro-wave oven, comprises peripheral wall and bottom delimits an internal volume, housing receives reserved liquid, and series of diffusion channels
EP1844663A1 (en) * 2006-04-14 2007-10-17 Marie Frais Method of manufacturing a food preparation that is heterogeneous and complex, fresh and packaged
EP1992563A1 (en) * 2007-05-14 2008-11-19 Mecaplastic Heat-treatment method for vacuum-packed products and packaging obtained from implementing said method
US7921992B2 (en) 2005-11-14 2011-04-12 Pactiv Corporation Container having internal reservoir
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CN104837743A (en) * 2012-10-12 2015-08-12 通用工厂公司 Microwavable food packaging, and related products and methods
MX366799B (en) 2013-05-24 2019-07-24 Graphic Packaging Int Llc Package for combined steam and microwave heating of food.
CN103466204B (en) * 2013-09-17 2015-09-16 河南省农业科学院 The special normal temperature turnover preservation device of Chinese toon tender shoots and preparation using method thereof

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EP1231160A1 (en) * 2001-02-12 2002-08-14 Sealed Air S.A.S. Package for the preservation and cooking or reheating of food products
WO2002076851A1 (en) * 2001-03-27 2002-10-03 Atmosphere Controle Water vapour generating device for heating foodstuffs in a microwave oven
FR2822931A1 (en) * 2001-03-27 2002-10-04 Atmosphere Controle Water vapor generator for microwaveable food comprises porous sachet of gel that absorbs microwaves and contains ten times its weight in water
FR2822933A1 (en) * 2001-03-27 2002-10-04 Atmosphere Controle Water vapor generator for microwaveable food comprises porous sachet of gel that absorbs microwaves and contains ten times its weight in water
FR2822932A1 (en) * 2001-03-27 2002-10-04 Atmosphere Controle WATER VAPOR GENERATOR DISPSOITIVE SUITABLE FOR INTRODUCTION IN A PACKAGE FOR THE HEATING OF FOODSTUFFS, PARTICULARLY WITH MICROWAVE AND PACKAGING CONTAINING SUCH A DEVICE
AU2002253250B2 (en) * 2001-03-27 2004-11-25 Atmosphere Controle Water vapour generating device for heating foodstuffs in a microwave oven
EP1445213A1 (en) 2003-02-10 2004-08-11 Cryovac, Inc. Microwaweable container
FR2860213A1 (en) * 2003-09-26 2005-04-01 Alain Sebban Disposable container for food product allowing it to be cooked by steaming in microwave oven has outer and inner receptacles with false bottom to hold water
US7762400B2 (en) 2004-12-22 2010-07-27 Easy Pad Limited Packaging tray
WO2006067413A1 (en) * 2004-12-22 2006-06-29 Easy Pad Limited Packaging tray
US8083887B2 (en) 2005-02-09 2011-12-27 Pactiv Corporation Method of forming a container having an internal reservoir
FR2888222A1 (en) * 2005-07-05 2007-01-12 Claude Sebban Receptacle of a microwave passing material, for pasta products preparation cooked in a micro-wave oven, comprises peripheral wall and bottom delimits an internal volume, housing receives reserved liquid, and series of diffusion channels
WO2007003864A3 (en) * 2005-07-05 2007-04-12 Alain Sebban Packaging box for packaging, preserving, microwave steam cooking and consumption of foods
FR2927318A1 (en) * 2005-07-05 2009-08-14 Claude Sebban PACKAGING BOX FOR PACKAGING, CONVERSATION, MICROWAVE OVEN STEAMING AND FOOD CONSUMPTION
FR2888225A1 (en) * 2005-07-05 2007-01-12 Claude Sebban PACKAGING BOX FOR PACKAGING, STORAGE, MICROWAVE OVEN STEAMING AND FOOD CONSUMPTION
WO2007003864A2 (en) * 2005-07-05 2007-01-11 Alain Sebban Packaging box for packaging, preserving, microwave steam cooking and consumption of foods
US7921992B2 (en) 2005-11-14 2011-04-12 Pactiv Corporation Container having internal reservoir
EP1844663A1 (en) * 2006-04-14 2007-10-17 Marie Frais Method of manufacturing a food preparation that is heterogeneous and complex, fresh and packaged
FR2899770A1 (en) * 2006-04-14 2007-10-19 Marie Frais PROCESS FOR PRODUCING CONDITIONED HETEROGENEOUS FOOD PREPARATION
EP1992563A1 (en) * 2007-05-14 2008-11-19 Mecaplastic Heat-treatment method for vacuum-packed products and packaging obtained from implementing said method
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JP2003500297A (en) 2003-01-07
WO2000071421A1 (en) 2000-11-30
HUP0105117A2 (en) 2002-05-29
BR0011598A (en) 2002-04-02
HUP0105117A3 (en) 2002-06-28
PL350816A1 (en) 2003-02-10
DE60000105D1 (en) 2002-05-08
ATE215468T1 (en) 2002-04-15
ES2174808T3 (en) 2002-11-16
DE60000105T2 (en) 2002-11-28
CA2373349A1 (en) 2000-11-30
FR2793771A1 (en) 2000-11-24
MXPA01011879A (en) 2002-06-04
EP1053944B1 (en) 2002-04-03
AU4765100A (en) 2000-12-12
NO20014069L (en) 2001-11-15
EE200100614A (en) 2003-02-17
AU773831B2 (en) 2004-06-10
CZ20012893A3 (en) 2002-01-16
IL146590A0 (en) 2002-07-25
DK1053944T3 (en) 2002-07-29
NZ514665A (en) 2002-09-27
ZA200106925B (en) 2002-07-31
CN1134368C (en) 2004-01-14
FR2793771B1 (en) 2001-07-20
CN1351562A (en) 2002-05-29
NO20014069D0 (en) 2001-08-21
PT1053944E (en) 2002-09-30

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