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EP1425227B1 - Method and device for preserving perishable products - Google Patents

Method and device for preserving perishable products Download PDF

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Publication number
EP1425227B1
EP1425227B1 EP02790496A EP02790496A EP1425227B1 EP 1425227 B1 EP1425227 B1 EP 1425227B1 EP 02790496 A EP02790496 A EP 02790496A EP 02790496 A EP02790496 A EP 02790496A EP 1425227 B1 EP1425227 B1 EP 1425227B1
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EP
European Patent Office
Prior art keywords
housing
container
wrapping
preservation system
order
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP02790496A
Other languages
German (de)
French (fr)
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EP1425227A1 (en
Inventor
Jacques Veillon
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.)
IBI
Original Assignee
IBI
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
Priority claimed from FR0111828A external-priority patent/FR2829468A1/en
Priority claimed from FR0202650A external-priority patent/FR2829469B1/en
Application filed by IBI filed Critical IBI
Priority to EP05007842A priority Critical patent/EP1571098A1/en
Publication of EP1425227A1 publication Critical patent/EP1425227A1/en
Application granted granted Critical
Publication of EP1425227B1 publication Critical patent/EP1425227B1/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
    • 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
    • B65D81/18—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 providing specific environment for contents, e.g. temperature above or below ambient
    • B65D81/20—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 providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas
    • B65D81/2007—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 providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas under vacuum
    • B65D81/2015—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 providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas under vacuum in an at least partially rigid 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
    • B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
    • B65D41/02—Caps or cap-like covers without lines of weakness, tearing strips, tags, or like opening or removal devices
    • B65D41/22—Caps or cap-like covers with elastic parts adapted to be stretched over the container

Definitions

  • the present invention relates to a device for the preservation of perishable products. She applies in particular, but not exclusively, to foods such as dishes made up for example of vegetables, fresh or not, of meat and / or starchy foods cooked.
  • this system does not offer the ability to effectively store food. In effect, the degradation of food is due essentially on contact with atmospheric air which degrades them.
  • this thin film system does not constitute, and does not have, an easy and effective for evacuating atmospheric air prisoner between thin film and foods to keep.
  • French patent FR 2737467 which relates to a method of conservation and packaging, including products stored in a transportable container and hermetic, likely to be kept at temperature ambient temperature or at the desired temperature. Inside the container is placed under partial vacuum before sealing. A flexible or semi-rigid plastic material is used to constitute the container, the volume of air remaining at inside the sealed volume allowing a slight deformation of the plastic container for balancing internal and external pressures during the climb in temperature of the heat treatment.
  • a method using a flexible envelope with tongues gripper, corresponding to the preamble of claim 1, is known from DE-A-19747911.
  • the process according to the invention will include a prior step of stretching the flexible envelope so that it adapts perfectly at the ends of the container.
  • the method of the invention also comprises a step of inserting at least one of the tabs to inside the housing so as to form a passage between the interior and exterior of said dwelling.
  • the method according to the invention comprises a step of heating and / or cooking of products arranged in the housing through a microwave, or equivalent equipment.
  • the invention therefore significantly improves the conservation and tasting including food proposing a simple and effective system that presents besides the advantage of being reusable indefinitely.
  • the method according to the invention can understand a step of writing on one of the faces, ideally the outer face of the envelope, by example to identify the commodities present in the housing.
  • the process of the invention may include a fixing step, for example by collage, of a support illustrating for example a advertising, a food warning and / or a general communication, on one of the faces of the envelope according to the invention.
  • the invention also relates to a device of conservation according to the preamble of claim 1, such a device being known from DE-A-19747911, than at least one of the protruding tabs present longer than the other tabs in order to can be inserted inside the housing so that forming a communication conduit between the inside and the outside of the housing.
  • the envelope will comprise a flat surface substantially circular at the end of which stretches perpendicularly a portion of substantially cylindrical.
  • the protuberant tongues will be located substantially at the ends of the portion cylindrical.
  • the device for the invention will comprise four tabs having equivalent dimensions and they will be arranged two to two in front of each other.
  • the envelope will include also at least one protruding tongue, presenting ideally a longer length than the others tongues.
  • the envelope is made in plastic material.
  • the envelope can be in conventional elastomer, such as for example a silicone.
  • the preservation process according to the invention applies to conventional containers, in this case a porcelain plate 1. Nevertheless, it is clear that the invention can be applied to any type of container, whether they are plastic, porcelain, glass, metal, wood or any other material.
  • Figure 1 shows a flexible envelope 2, made of elastomer, for example silicone, of to give it elastic properties allowing it to adapt to all forms of containers being elastically deformable.
  • elastomer for example silicone
  • the envelope is made in a waterproof material that retains its character tight when this material is stretched in order to fit on food containers, non-food or industrial and is carried out so to be able to adapt better to the product 10 that it canned.
  • the envelope 2 can be in one material able to withstand varying temperatures ranging from freezing to reheating by microwave type, or equivalent method.
  • the envelope 2 has a flat surface 3 substantially spherical at the end of which extends perpendicularly a cylindrical portion 4.
  • the envelope 2 comprises also four protruding tabs 5 disposed two by two opposite each other, that is to say two tabs 5 'on the axis X'X and two tabs 5 " arranged on a diametrical line perpendicular to this X'X axis. These four tabs 5 'and 5 "extend into the same plane parallel to the plane of the aforesaid surface plane 3 of the envelope 2.
  • the envelope has a tongue 2 elongated 6, of different size and shape than of the other four 5 'and 5 "tongues but extending in the same plane as these tongues 5 'and 5 ".
  • the flexible envelope 2 is placed on a containing, or more exactly on the opening of a containing 1 or a container, such as a box of 7 as shown in FIGS. 5 to 8, in elastically stretching said envelope 2 to that she marries as best as possible the outlines, or ends of the container or container.
  • the cylindrical portion 4 allows in particular that the envelope 2 fits perfectly and fluid-tight, such as air atmospheric, to the different forms of the extremities of a containing 1 or openings of a container.
  • said container or said container forms with the casing a housing 8, enclosed and waterproof.
  • the user of the envelope 2 according to the invention once it is attached to a container 1, or a container, in which there are products, by example of perishable foodstuffs, may easily expel atmospheric air by pulling on one tabs 5, 5 ', or 5 "to form a conduit, or passage, allowing communication between the interior housing 8 and the ambient air.
  • the user use his second hand to flatten, or compress, the flat surface 3 of the casing 2 against the goods and / or the surface of the container 1 so that the air prisoner in dwelling 8 be evacuated by the aforesaid led, or passage, formed for this purpose.
  • the user sets the envelope 2 again so tight on the ends of the container, or the opening of the container, so as to close or close the conduit, or passage, temporary intended to evacuate the air originally present in dwelling 8.
  • the device according to the invention allows also to heat and / or cook the product located in the housing 8, between the envelope 2 and the containing 1 because these last two elements 1 and 2 can be placed in a microwave oven, or a equivalent equipment.
  • Microwave ovens work by exciting the water molecules of the products intended to be heated which creates water vapor that it is often necessary to evacuate from a closed environment, such as the aforementioned housing 8, to avoid damaging one either of the elements 1 and 2 present in the oven at microwaves and especially so that the product does not water throat.
  • the elongated tongue 6 will be introduced by the user into slot 8 of way to constitute a small passage of communication between the interior of the housing 8 and the atmospheric air outside so the water vapor can be evacuated, under the influence of his own pressure, out of housing 8.
  • the device according to the invention it is finally possible for anyone to keep perishable products by protecting them from contact with atmospheric air.
  • the preservation of the product in a housing 8, or volume, sealed without contact with the ambient air helps to keep its aroma, texture and all the qualities that the product originally had.
  • a second envelope 2 ' can be attached to the first envelope 2 and / or the container 1.
  • This second envelope 2 ' will advantageously contain a certain amount of ice 9, or another heat-insulating product, capable of maintaining the commodities, or the product, at a temperature relatively low to avoid, in particular, denature.
  • the end 12 of the flat surface 3 will be reinforced in thickness and will continue in the form of groove, for example describing a sinusoidal shape, all along the cylindrical portion 4.
  • the portion cylindrical 4 then ends with a reinforcement 11, by example of square form; this reinforcement allowing in particular to avoid the phenomena of punching.
  • the end 12 of the flat surface 2 and the cylindrical portion 4 presents then a thickness greater than that of the rest of the 2.
  • the flat surface has for example a thickness of 0.44 millimeter ⁇ 0.05 mm, its end and the portion cylindrical thickness varying from 0.44 mm ⁇ 0.05 mm to hollow of the sinusoidal groove at 1.44 mm ⁇ 0.05 mm top of the sinusoidal groove.
  • the device the invention can be washed easily and reused on commodities, or products, similar or different.
  • the portion 4 of substantially cylindrical shape, extending to from the flat surface 3 will include a plurality of elastic oblique elements 13 capable of ensuring particularly effective way, the waterproofness of housing 8 fluid tight.
  • the aforesaid elements oblique 13 are located on the inner surface of the cylindrical portion 4, that is to say that the elements obliques 13 are in contact with the walls of the container 1.
  • oblique elements 13 can ideally to be in the same constituent material of the aforesaid portion 4 or can be reported and fixed on the surface of this portion 4. Of course, in this case, oblique elements 13 can be made in any other suitable material to ensure the watertightness of housing 8.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)
  • Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
  • Table Devices Or Equipment (AREA)
  • Closures For Containers (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)

Abstract

Procedure for conserving a perishable product in a container consists of fitting the container with a supple cover (2) which has at least one projecting tongue (5) to form a compartment above the product that is impermeable to fluids. Procedure for conserving a perishable product in a container consists of fitting the container with a supple cover (2) which has at least one projecting tongue (5) to form a compartment above the product that is impermeable to fluids. The cover is distended by pulling on the tongue to create a temporary outlet, and is then compressed to expel the fluid, e.g. atmospheric air, from the container before releasing the tongue to seal it. In a variant of the procedure one of the tongues can be inserted in the container to create an outlet gap, and this can be followed by a re-heating or cooking process, e.g. in a microwave oven.

Description

La présente invention concerne un dispositif pour la conservation de produits périssables. Elle s'applique notamment, mais non exclusivement, aux aliments tels que des plats constitués par exemple de légumes, frais ou non, de viandes et/ou de féculents cuits.The present invention relates to a device for the preservation of perishable products. She applies in particular, but not exclusively, to foods such as dishes made up for example of vegetables, fresh or not, of meat and / or starchy foods cooked.

À l'heure actuelle, on connaít sur le marché des rouleaux de films minces, généralement en matière plastique transparente, enroulés autour d'un cylindre, classiquement en carton, permettant d'être coupés relativement facilement pour être disposés sur un plat afin d'améliorer sa conservation ; ledit film possédant des caractéristiques intrinsèques le rendant collant, ou adhérant, afin de le fixer sur ledit plat.At present, we know about the market thin film rolls, generally made of transparent plastic, wrapped around a cylinder, conventionally made of cardboard, allowing to be cut relatively easily to be arranged on a dish to improve its conservation; said film possessing intrinsic characteristics making it sticky, or adhering, in order to fix it on said dish.

Mais ce système ne permet pas de réutiliser le susdit film mince, du fait de sa fragilité et de ses propriétés collantes, ce qui oblige l'utilisateur à se procurer régulièrement d'autres rouleaux ; ces achats de rouleaux représentant un coût non négligeable.But this system does not allow reuse the aforementioned thin film, because of its fragility and its sticky properties, which forces the user to regularly supply other rolls; these purchases of rolls representing a significant cost.

Par ailleurs, ce système n'offre pas la possibilité de conserver efficacement les aliments. En effet, la dégradation des aliments est due essentiellement à leur contact avec l'air atmosphérique qui les dégrade. Or, ce système de film mince ne constitue pas, et ne dispose pas, un moyen facile et efficace pour évacuer l'air atmosphérique prisonnier entre le film mince et les aliments à conserver. Moreover, this system does not offer the ability to effectively store food. In effect, the degradation of food is due essentially on contact with atmospheric air which degrades them. However, this thin film system does not constitute, and does not have, an easy and effective for evacuating atmospheric air prisoner between thin film and foods to keep.

Par ailleurs, on connaít déjà la demande de brevet français FR 2737467 qui concerne un procédé de conservation et de conditionnement, notamment de produits alimentaires logés dans un contenant transportable et hermétique, susceptible d'être conservé à température ambiante ou à température souhaitée. L'intérieur du contenant est mis sous vide partiel avant scellement. Une matière plastique souple ou semi-rigide est utilisée pour constituer le contenant, le volume d'air restant à l'intérieur du volume étanche autorisant une légère déformation du contenant en plastique pour l'équilibrage des pressions internes et externes au cours de la montée en température du traitement thermique.Moreover, we already know the demand for French patent FR 2737467 which relates to a method of conservation and packaging, including products stored in a transportable container and hermetic, likely to be kept at temperature ambient temperature or at the desired temperature. Inside the container is placed under partial vacuum before sealing. A flexible or semi-rigid plastic material is used to constitute the container, the volume of air remaining at inside the sealed volume allowing a slight deformation of the plastic container for balancing internal and external pressures during the climb in temperature of the heat treatment.

Mais ce procédé utilise un dispositif très complexe et coûteux qui aspire l'air prisonnier à l'intérieur d'un contenant de manière à créer mécaniquement un vide partiel. Ainsi, ce système nécessite l'utilisation d'un instrument spécifique pour réaliser le vide et un particulier ordinaire ne possède qu'exceptionnellement ce type d'instrument, ce qui rend ce procédé fort coûteux et donc réservé à certaines catégories de professionnels, par exemple des professionnels de la restauration.But this process uses a very complex and expensive that sucks air prisoner to inside a container so as to create mechanically a partial vacuum. So this system requires the use of a specific instrument for realize the emptiness and an ordinary individual does not possess exceptionally this type of instrument, which makes this process is very expensive and therefore reserved for certain categories of professionals, for example catering professionals.

Un procédé utilisant une enveloppe souple comportant des languettes de préhension, correspondant au préambule de la revendication 1, est connu de DE-A-19747911.A method using a flexible envelope with tongues gripper, corresponding to the preamble of claim 1, is known from DE-A-19747911.

L'invention a pour but de remédier aux inconvénients des dispositifs et procédés de l'art antérieur. Elle propose à cet effet un procédé pour la conservation de produits périssables disposés dans un contenant, comportant une étape de fixation d'une enveloppe souple, comprenant une pluralité de languettes protubérantes, sur au moins une partie des extrémités dudit contenant de manière à former un logement étanche au fluide pour lesdites denrées, comprenant les étapes suivantes, destinées à chasser le fluide, par exemple l'air atmosphérique, contenu dans ledit logement :

  • a) une étape d'étirage consistant à étirer au moins une desdites languettes de manière à former un passage temporaire entre l'intérieur et l'extérieur du susdit logement,
  • b) une étape de compression, ou de plaquage, de l'enveloppe souple contre les denrées et/ou le contenant de sorte que le fluide compris dans le susdit logement soit évacué par le susdit passage temporaire,
  • c) une étape d'obturation du susdit passage,
    •    caractérisé en ce qu'il comprend également une étape d'insertion d'au moins une des languettes à l'intérieur du logement de manière à former un conduit de communication entre l'intérieur et l'extérieur dudit logement.The invention aims to overcome the disadvantages of devices and methods of the prior art. It proposes for this purpose a method for storing perishable products arranged in a container, comprising a step of fixing a flexible envelope, comprising a plurality of protruding tabs, on at least a portion of the ends of said container so as to form a fluid-tight housing for said goods, comprising the following steps for expelling fluid, for example atmospheric air, contained in said housing:
  • a) a stretching step of stretching at least one of said tongues so as to form a temporary passage between the interior and exterior of the aforesaid housing,
  • b) a step of compressing, or plating, the flexible envelope against the food and / or the container so that the fluid included in the aforesaid housing is evacuated by the aforesaid temporary passage,
  • c) a shutter step of the above passage,
    • characterized in that it also comprises a step of insertion of at least one of the tabs inside the housing so as to form a communication conduit between the inside and outside of said housing.

    Par conservation, on entend protection des produits périssables jusqu'à leur consommation et/ou leur utilisation.By conservation is meant the protection of perishable products until they are consumed and / or use.

    Avantageusement, le procédé selon l'invention comprendra une étape préalable consistant à étirer l'enveloppe souple de manière à ce qu'elle s'adapte parfaitement aux extrémités du contenant.Advantageously, the process according to the invention will include a prior step of stretching the flexible envelope so that it adapts perfectly at the ends of the container.

    Selon une possibilité offerte par l'invention, le procédé de l'invention comprend également une étape d'insertion d'au moins une des languettes à l'intérieur du logement de manière à former un passage entre l'intérieur et l'extérieur dudit logement. Consécutivement à cette étape d'insertion d'au moins une languette dans le logement, le procédé selon l'invention comporte une étape de réchauffement et/ou de cuisson des produits disposés dans le logement grâce à un micro-onde, ou un équipement équivalent.According to a possibility offered by the invention, the method of the invention also comprises a step of inserting at least one of the tabs to inside the housing so as to form a passage between the interior and exterior of said dwelling. Following this insertion step of at least one tongue in the housing, the method according to the invention comprises a step of heating and / or cooking of products arranged in the housing through a microwave, or equivalent equipment.

    Grâce à ces particularités, l'invention permet donc d'améliorer de façon significative la conservation et la dégustation notamment des aliments en proposant un système simple et efficace qui présente en outre l'avantage d'être réutilisable indéfiniment.Thanks to these features, the invention therefore significantly improves the conservation and tasting including food proposing a simple and effective system that presents besides the advantage of being reusable indefinitely.

    Selon une possibilité offerte par l'invention, le procédé selon l'invention pourra comprendre une étape d'écriture sur l'une des faces, idéalement la face extérieure, de l'enveloppe, par exemple afin d'identifier les denrées présentes dans le logement. De la même manière, le procédé de l'invention pourra comprendre une étape de fixation, par exemple par collage, d'un support illustrant par exemple une publicité, un avertissement en rapport avec les denrées et/ou une communication d'ordre générale, sur l'une des faces de l'enveloppe selon l'invention.According to a possibility offered by the invention, the method according to the invention can understand a step of writing on one of the faces, ideally the outer face of the envelope, by example to identify the commodities present in the housing. In the same way, the process of the invention may include a fixing step, for example by collage, of a support illustrating for example a advertising, a food warning and / or a general communication, on one of the faces of the envelope according to the invention.

    L'invention concerne également un dispositif de conservation selon le preambule de la revendication 1, un tel dispositif étant connu de DE-A-19747911, que au moins une des languettes protubérantes présente une longueur plus importante que les autres languettes afin de pouvoir être insérée á l'intérieur du logement de manière à former un conduit de communication entre l'intérieur et l'extérieur du logement.The invention also relates to a device of conservation according to the preamble of claim 1, such a device being known from DE-A-19747911, than at least one of the protruding tabs present longer than the other tabs in order to can be inserted inside the housing so that forming a communication conduit between the inside and the outside of the housing.

    Selon un mode d'exécution de l'invention l'enveloppe comportera une surface plane sensiblement circulaire à l'extrémité de laquelle s'étire perpendiculairement une portion de forme sensiblement cylindrique.According to an embodiment of the invention the envelope will comprise a flat surface substantially circular at the end of which stretches perpendicularly a portion of substantially cylindrical.

    Dans cet exemple d'illustration du dispositif selon l'invention, les languettes protubérantes seront situées sensiblement aux extrémités de la portion cylindrique.In this illustrative example of the device according to the invention, the protuberant tongues will be located substantially at the ends of the portion cylindrical.

    De la même manière, le dispositif de l'invention comprendra quatre languettes présentant des dimensions équivalentes et elles seront disposées deux à deux en face l'une de l'autre. L'enveloppe comprendra également au moins une languette protubérante, présentant idéalement une longueur plus importante que les autres languettes.In the same way, the device for the invention will comprise four tabs having equivalent dimensions and they will be arranged two to two in front of each other. The envelope will include also at least one protruding tongue, presenting ideally a longer length than the others tongues.

    De préférence, l'enveloppe est réalisée en matière plastique. Ainsi, l'enveloppe pourra être en élastomère classique, tel que par exemple un silicone.Preferably, the envelope is made in plastic material. Thus, the envelope can be in conventional elastomer, such as for example a silicone.

    Un mode d'exécution de l'invention sera décrit ci-après, à titre d'exemple non limitatif, avec référence aux figures annexées dans lesquelles :

    • la figure 1 est une vue en perspective du dispositif de conservation de produits périssables selon l'invention ;
    • la figure 2 est une vue de dessus du dispositif représenté sur la figure 1 ;
    • la figure 3 est une vue en coupe verticale selon l'axe X'X du dispositif représenté sur la figure 2 ;
    • les figures 4 à 8 illustrent, selon une vue coupe, les différentes étapes de fixation du dispositif de conservation de produits périssables selon l'invention disposés dans un récipient cylindrique, par exemple une boíte de conserve ;
    • les figures 9 et 10 représentent un exemple d'application du procédé selon l'invention dans lequel une deuxième enveloppe est fixée au contenant et/ou à une première enveloppe,
    • la figure 11 est une vue en perspective d'une région de l'enveloppe selon l'invention,
    • la figure 12 illustre en coupe verticale de la région de l'enveloppe représentée sur la figure 11 ;
    • La figure 13 est une vue en coupe verticale d'un mode réalisation du dispositif de conservation de produits périssables selon l'invention ;
    • La figure 14 est une vue en coupe verticale d'une région du dispositif de conditionnement représenté sur la figure 13.
    One embodiment of the invention will be described below, by way of non-limiting example, with reference to the appended figures in which:
    • Figure 1 is a perspective view of the device for preserving perishable products according to the invention;
    • Figure 2 is a top view of the device shown in Figure 1;
    • Figure 3 is a vertical sectional view along the axis X'X of the device shown in Figure 2;
    • Figures 4 to 8 illustrate, in a sectional view, the different steps of fixing the device for preserving perishable products according to the invention arranged in a cylindrical container, for example a canister;
    • FIGS. 9 and 10 show an example of application of the method according to the invention in which a second envelope is fixed to the container and / or to a first envelope,
    • FIG. 11 is a perspective view of a region of the envelope according to the invention,
    • Figure 12 illustrates in vertical section the region of the envelope shown in Figure 11;
    • Figure 13 is a vertical sectional view of an embodiment of the device for preserving perishable products according to the invention;
    • Fig. 14 is a vertical sectional view of a region of the conditioning device shown in Fig. 13.

    Comme cela est visible notamment sur la figure 4, le procédé de conservation selon l'invention s'applique sur des contenants classiques, en l'occurrence une assiette en porcelaine 1. Néanmoins, il est clair que l'invention peut s'appliquer sur tout type de récipients, qu'ils soient en plastique, porcelaine, verre, métal, bois ou tout autre matière.As can be seen in particular on the FIG. 4, the preservation process according to the invention applies to conventional containers, in this case a porcelain plate 1. Nevertheless, it is clear that the invention can be applied to any type of container, whether they are plastic, porcelain, glass, metal, wood or any other material.

    La figure 1 représente une enveloppe souple 2, réalisée en élastomère, par exemple en silicone, de manière à lui conférer des propriétés élastiques l'autorisant à s'adapter sur toutes les formes de contenants en étant déformable élastiquement.Figure 1 shows a flexible envelope 2, made of elastomer, for example silicone, of to give it elastic properties allowing it to adapt to all forms of containers being elastically deformable.

    De la même manière, l'enveloppe est réalisée dans une matière étanche qui conserve son caractère étanche lorsque cette matière est étirée afin de s'adapter sur des contenants de produits alimentaires, non alimentaires ou industriels et est réalisée de façon à pouvoir s'adapter au mieux au produit 10 qu'elle conserve. Dans ce but, l'enveloppe 2 pourra être en un matériau apte à résister à des températures variables allant de la congélation au réchauffage par procédé de type micro-onde, ou un procédé équivalent.In the same way, the envelope is made in a waterproof material that retains its character tight when this material is stretched in order to fit on food containers, non-food or industrial and is carried out so to be able to adapt better to the product 10 that it canned. For this purpose, the envelope 2 can be in one material able to withstand varying temperatures ranging from freezing to reheating by microwave type, or equivalent method.

    Dans l'exemple choisi pour illustrer l'invention, l'enveloppe 2 présente une surface plane 3 sensiblement sphérique à l'extrémité de laquelle s'étend perpendiculairement une portion cylindrique 4. Comme cela est visible sur la figure 2, l'enveloppe 2 comprend également quatre languettes protubérantes 5 disposées deux à deux à l'opposé l'une de l'autre, c'est-à-dire deux languettes 5' sur l'axe X'X et deux languettes 5" disposées sur une ligne diamétrale perpendiculaire à cet axe X'X. Ces quatre languettes 5' et 5" s'étendent dans un même plan parallèle au plan de la susdite surface plane 3 de l'enveloppe 2. In the example chosen to illustrate the invention, the envelope 2 has a flat surface 3 substantially spherical at the end of which extends perpendicularly a cylindrical portion 4. As this is visible in Figure 2, the envelope 2 comprises also four protruding tabs 5 disposed two by two opposite each other, that is to say two tabs 5 'on the axis X'X and two tabs 5 " arranged on a diametrical line perpendicular to this X'X axis. These four tabs 5 'and 5 "extend into the same plane parallel to the plane of the aforesaid surface plane 3 of the envelope 2.

    En outre, l'enveloppe comporte une languette 2 allongée 6, de taille et de forme différente de celle des quatre autres languettes 5' et 5" mais s'étendant dans le même plan que ces languettes 5' et 5".In addition, the envelope has a tongue 2 elongated 6, of different size and shape than of the other four 5 'and 5 "tongues but extending in the same plane as these tongues 5 'and 5 ".

    Ainsi, l'enveloppe souple 2 est placée sur un contenant, ou plus exactement sur l'ouverture d'un contenant 1 ou d'un récipient, tel qu'une boíte de conserve 7 comme représentée sur les figures 5 à 8, en étirant de façon élastique ladite enveloppe 2 pour qu'elle épouse au mieux les contours, ou extrémités du contenant ou du récipient. La portion cylindrique 4 permet en particulier que l'enveloppe 2 s'adapte parfaitement et de façon étanche au fluide, tel que l'air atmosphérique, aux différentes formes des extrémités d'un contenant 1 ou des ouvertures d'un récipient.Thus, the flexible envelope 2 is placed on a containing, or more exactly on the opening of a containing 1 or a container, such as a box of 7 as shown in FIGS. 5 to 8, in elastically stretching said envelope 2 to that she marries as best as possible the outlines, or ends of the container or container. The cylindrical portion 4 allows in particular that the envelope 2 fits perfectly and fluid-tight, such as air atmospheric, to the different forms of the extremities of a containing 1 or openings of a container.

    Ainsi, lorsque l'enveloppe 2 est fixée sur les extrémités d'un contenant 1, ou sur la ou les ouvertures d'un récipient, ledit contenant ou ledit récipient forme avec l'enveloppe un logement 8, clos et étanche.So, when the envelope 2 is fixed on the ends of a container 1, or on the openings of a container, said container or said container forms with the casing a housing 8, enclosed and waterproof.

    L'utilisateur de l'enveloppe 2 selon l'invention, une fois celle-ci fixée à un contenant 1, ou un récipient, dans lequel se trouvent des produits, par exemple des denrées alimentaires périssables, pourra aisément chasser l'air atmosphérique en tirant sur l'une des languettes 5, 5', ou 5" afin de former un conduit, ou passage, autorisant une communication entre l'intérieur du logement 8 et l'air ambiant.The user of the envelope 2 according to the invention, once it is attached to a container 1, or a container, in which there are products, by example of perishable foodstuffs, may easily expel atmospheric air by pulling on one tabs 5, 5 ', or 5 "to form a conduit, or passage, allowing communication between the interior housing 8 and the ambient air.

    Consécutivement ou simultanément, l'usager utilisera sa seconde main afin de plaquer, ou comprimer, la surface plane 3 de l'enveloppe 2 contre les denrées et/ou la surface du contenant 1 de sorte que l'air prisonnier dans le logement 8 soit évacué par le susdit conduit, ou passage, formé à cette intention.Consecutively or simultaneously, the user use his second hand to flatten, or compress, the flat surface 3 of the casing 2 against the goods and / or the surface of the container 1 so that the air prisoner in dwelling 8 be evacuated by the aforesaid led, or passage, formed for this purpose.

    Dès que l'air, ou le gaz, initialement présent dans le logement 8 est évacué du logement 8, l'utilisateur fixe à nouveau l'enveloppe 2 de façon étanche sur les extrémités du contenant, ou l'ouverture du récipient, de manière à obturer ou fermer le conduit, ou passage, temporaire destiné à évacuer l'air initialement présent dans le logement 8.As soon as air, or gas, initially present in the housing 8 is evacuated from the housing 8, the user sets the envelope 2 again so tight on the ends of the container, or the opening of the container, so as to close or close the conduit, or passage, temporary intended to evacuate the air originally present in dwelling 8.

    Le dispositif selon l'invention permet également de réchauffer et/ou de cuire le produit se trouvant dans le logement 8, entre l'enveloppe 2 et le contenant 1, car ces deux derniers éléments 1 et 2 peuvent être placés dans un four à micro-onde, ou un équipement équivalent. Les fours à micro-ondes fonctionnent en excitant les molécules d'eau des produits destinés à être réchauffés ce qui crée de la vapeur d'eau qu'il est souvent nécessaire d'évacuer d'un milieu clos, tel que le susdit logement 8, pour ne pas endommager l'un ou l'autre des éléments 1 et 2 présent dans le four à micro-ondes et surtout pour ne pas que le produit se gorge d'eau. À cette fin, la languette allongée 6 va être introduite par l'utilisateur dans le logement 8 de manière à constituer un petit passage de communication entre l'intérieur du logement 8 et l'air atmosphérique extérieur de sorte que la vapeur d'eau pourra être évacuée, sous l'effet de sa propre pression, hors du logement 8. The device according to the invention allows also to heat and / or cook the product located in the housing 8, between the envelope 2 and the containing 1 because these last two elements 1 and 2 can be placed in a microwave oven, or a equivalent equipment. Microwave ovens work by exciting the water molecules of the products intended to be heated which creates water vapor that it is often necessary to evacuate from a closed environment, such as the aforementioned housing 8, to avoid damaging one either of the elements 1 and 2 present in the oven at microwaves and especially so that the product does not water throat. For this purpose, the elongated tongue 6 will be introduced by the user into slot 8 of way to constitute a small passage of communication between the interior of the housing 8 and the atmospheric air outside so the water vapor can be evacuated, under the influence of his own pressure, out of housing 8.

    Grâce au dispositif selon l'invention, il est enfin possible pour toute personne de conserver des produits périssables en les protégeant du contact avec l'air atmosphérique. Ainsi, la conservation du produit dans un logement 8, ou volume, étanche sans contact avec l'air ambiant permet de garder son arôme, sa texture et toutes les qualités que le produit avait à l'origine.Thanks to the device according to the invention, it is finally possible for anyone to keep perishable products by protecting them from contact with atmospheric air. Thus, the preservation of the product in a housing 8, or volume, sealed without contact with the ambient air helps to keep its aroma, texture and all the qualities that the product originally had.

    Selon une possibilité offerte par l'invention et représentée sur les figures 9 et 10, une deuxième enveloppe 2' pourra être fixée à la première enveloppe 2 et/ou au contenant 1. Cette deuxième enveloppe 2' pourra avantageusement contenir une certaine quantité de glace 9, ou d'un autre produit calorifuge, capable de maintenir les denrées, ou le produit, à une température relativement basse pour éviter notamment qu'elles se dénaturent. Bien entendu, il pourra être envisagé de fixer une pluralité d'enveloppes selon l'invention afin d'augmenter, ou d'améliorer, l'effet d'abaissement/maintien de la température du produit, ou des denrées.According to a possibility offered by the invention and shown in FIGS. 9 and 10, a second envelope 2 'can be attached to the first envelope 2 and / or the container 1. This second envelope 2 'will advantageously contain a certain amount of ice 9, or another heat-insulating product, capable of maintaining the commodities, or the product, at a temperature relatively low to avoid, in particular, denature. Of course, it may be possible to fix a plurality of envelopes according to the invention so to increase, or improve, the effect lowering / maintaining the temperature of the product, or commodities.

    Selon une variante de réalisation du dispositif selon l'invention, illustrée sur les figures 11 et 12, l'extrémité 12 de la surface plane 3 sera renforcée en épaisseur et se prolongera sous forme de cannelure, par exemple décrivant une forme sinusoïdale, tout le long de la portion cylindrique 4. La portion cylindrique 4 se termine alors par un renfort 11, par exemple de forme carré ; ce renfort permettant en particulier d'éviter les phénomènes de poinçonnage.According to an alternative embodiment of device according to the invention, illustrated in the figures 11 and 12, the end 12 of the flat surface 3 will be reinforced in thickness and will continue in the form of groove, for example describing a sinusoidal shape, all along the cylindrical portion 4. The portion cylindrical 4 then ends with a reinforcement 11, by example of square form; this reinforcement allowing in particular to avoid the phenomena of punching.

    Selon cette variante, l'extrémité 12 de la surface plane 2 et la portion cylindrique 4 présente alors une épaisseur supérieure à celle du reste de la surface plane 2. Ainsi, on pourra considérer que la surface plane présente par exemple une épaisseur de 0,44 millimètre ± 0,05 mm, son extrémité ainsi que la portion cylindrique une épaisseur variant de 0,44 mm ± 0,05 mm au creux de la cannelure sinusoïdale à 1,44 mm ± 0,05 mm au sommet de la cannelure sinusoïdale.According to this variant, the end 12 of the flat surface 2 and the cylindrical portion 4 presents then a thickness greater than that of the rest of the 2. Thus, it can be considered that the flat surface has for example a thickness of 0.44 millimeter ± 0.05 mm, its end and the portion cylindrical thickness varying from 0.44 mm ± 0.05 mm to hollow of the sinusoidal groove at 1.44 mm ± 0.05 mm top of the sinusoidal groove.

    Grâce à sa texture, le dispositif selon l'invention peut être lavé facilement et réutilisé sur des denrées, ou des produits, similaires ou différents.Thanks to its texture, the device the invention can be washed easily and reused on commodities, or products, similar or different.

    Dans un mode de réalisation du dispositif de conditionnement, visible sur les figures 13 et 14, la portion 4 de forme sensiblement cylindrique, s'étendant à partir de la surface plane 3, comprendra une pluralité d'éléments obliques 13 élastiques aptes à assurer, de façon particulièrement efficace, l'étanchéité du logement 8 étanche au fluide. A cette fin, les susdits éléments obliques 13 sont situés sur la surface interne de la portion cylindrique 4, c'est-à-dire que les éléments obliques 13 sont en contact avec les parois du contenant 1.In one embodiment of the device of conditioning, visible in FIGS. 13 and 14, the portion 4 of substantially cylindrical shape, extending to from the flat surface 3, will include a plurality of elastic oblique elements 13 capable of ensuring particularly effective way, the waterproofness of housing 8 fluid tight. For this purpose, the aforesaid elements oblique 13 are located on the inner surface of the cylindrical portion 4, that is to say that the elements obliques 13 are in contact with the walls of the container 1.

    Ces éléments obliques 13 pourront idéalement être dans la même matière constitutive de la susdite portion 4 ou peuvent être rapportés et fixés sur la surface de cette portion 4. Bien entendu, dans ce cas, les éléments obliques 13 pourront être réalisés en toute autre matière adéquate pour assurer l'étanchéité du logement 8.These oblique elements 13 can ideally to be in the same constituent material of the aforesaid portion 4 or can be reported and fixed on the surface of this portion 4. Of course, in this case, oblique elements 13 can be made in any other suitable material to ensure the watertightness of housing 8.

    L'invention est décrite dans ce qui précède à titre d'exemple. Il est entendu que l'homme du métier est à même de réaliser ou d'envisager différentes variantes du procédé et du dispositif pour la conservation de produits périssables selon l'invention sans pour autant sortir du cadre du brevet, en particulier concernant la forme de l'enveloppe 2 (ronde, ovale, carré, rectangulaire ou tout autre forme) ou ses dimensions ; cette enveloppe 2 devant simplement pouvoir s'adapter à la forme du contenant 1. De la même manière, le nombre de languettes 5, 5', 5" ou 6 et/ou leur disposition sur l'enveloppe 2 ne constitue que des variantes du dispositif selon l'invention.The invention is described in the foregoing at as an example. It is understood that the skilled person is able to realize or consider different variants method and device for the preservation of perishable products according to the invention without go beyond the scope of the patent, in particular concerning the shape of the envelope 2 (round, oval, square, rectangular or any other shape) or its dimensions; this envelope 2 simply to be able to adapt to the shape of the container 1. In the same way, the number of tongues 5, 5 ', 5 "or 6 and / or their arrangement on envelope 2 are only variants of the device according to the invention.

    Claims (18)

    1. A method for preserving perishable products (10) placed in a container (1) that comprises a step of fixing a flexible wrapping (2) comprising several protruding tabs (5, 5', 5" and 6) on at least some of the ends of the said container in order to create a watertight housing (8) for the said foodstuffs, comprising the following steps, intended to force out the fluid, for example, the atmospheric air, contained in the said housing (8):
      a) a stretching step that consists in stretching at least one of the said tabs (5, 5' or 5") in order to create a temporary passage between the inside and the outside of the said housing (8),
      b) a step in which the flexible wrapping (2) is compressed or pinned against the foodstuffs and/or the container (1) in order for the fluid comprised in the aforementioned housing (8) to be evacuated through the aforementioned temporary passage,
      c) a step during which the aforementioned passage is blocked,
      characterised in that it also comprises a step during which at least one of the tabs (6) is inserted into the housing (8) in order to form a communication conduit between the inside and the outside of the said housing (8).
    2. A method for preserving perishable products according to claim 1, characterised in that it comprises a prior step that consists in stretching the flexible wrapping (2) in order for it to adapt perfectly to the ends of the container (1).
    3. A method for preserving perishable products according to claim 1, characterised in that it comprises, after the step during which at least one tab (6) is inserted in the housing (8), a step of reheating and/or cooking the product or products (10) placed in the housing (8) by means of a microwave oven, or a similar piece of equipment.
    4. A method for preserving perishable products according to claim 1, characterised in that it comprises a step of writing on one of the faces of the wrapping (2), for example, with the aim of identifying the product or products placed inside the housing (8).
    5. A method for preserving perishable products according to claim 1, characterised in that it comprises a step of fixing, by gluing, for example, a support that illustrates, for example, advertising or warning note that relate to the foodstuffs and/or any other communication of a general nature, on one of the faces of the wrapping (2).
    6. A method for preserving perishable products according to claim 1, characterised in that it comprises a step of fixing at least one second wrapping (2') to a first wrapping (2) and/or to the container (1), in which the second wrapping (2') can contain ice cubes (9), for example, or an insulating product in order to reduce and/or maintain the temperature of the perishable products (10) to be preserved.
    7. A preservation system for implementing the method that consists in ensuring preservation of perishable products placed in a container, in which the method comprises a step of fixing a flexible wrapping (2) comprising several protruding tabs (5, 5', 5" and 6) on at least some of the ends of the said container in order to create a watertight housing (8) for the said foodstuffs, a stretching step that consists in stretching at least one of the said tabs (5, 5' or 5") in order to create a temporary passage between the inside and the outside of the said housing (8), a step during which the flexible wrapping (2) is compressed or pinned against the foodstuffs and/or the container (1) in order for the fluid comprised in the aforementioned housing (8), for example, the atmospheric air, to be evacuated through the aforementioned temporary passage, and a step during which the aforementioned passage is blocked, in which the system comprises an elastically deformable wrapping (2) characterised in that at least one of the protruding tabs (6) is longer than the other tabs (5, 5' and 5") in order to be able to be inserted into the housing in order to create a communication conduit between the inside and the outside of the housing.
    8. A preservation system according to claim 7, characterised in that the wrapping (2) comprises a substantially circular flat surface (3), in which a portion (4) with a substantially cylindrical shape extends perpendicularly across its end.
    9. A preservation system according to claims 7 and 8, characterised in that the protruding tabs (5, 5', 5" and 6) extend along a plane that is parallel to the plane defined by the flat surface (3) of the wrapping (2).
    10. A preservation system according to claim 9, characterised in that the protruding tabs (5, 5', 5" and 6) are placed substantially on the ends of the cylindrical portion (4).
    11. A preservation system according to any of the claims 7 to 9, characterised in that the protruding tabs (5' and 5") are placed two by two opposite each other.
    12. A preservation system according to claim 7, characterised in that the wrapping (2) is made from plastic material.
    13. A preservation system according to claim 12, characterised in that the wrapping (2) is made from a standard elastomer, such as silicone, for example.
    14. A preservation system according to any of the claims 7 to 12, characterised in that the end (12) of the flat surface (2) and the cylindrical portion (4) is thicker than the rest of the flat surface (2).
    15. A preservation system according to claim 14, characterised in that the greater thickness is presented in the form of a channel, describing a sinusoidal shape.
    16. A preservation system according to claims 14 and 15, characterised in that the flat surface (2) has a thickness of 0.44 millimetres ±0.05 mm, while its end and the cylindrical portion have a thickness that ranges from 0.44 mm ±0.05 mm at the bottom of the sinusoidal channel to 1.44 mm ±0.05 mm at the top of the sinusoidal channel.
    17. A preservation system according to claim 8, characterised in that the aforementioned portion (4) comprises several elastic slanting elements (13) that are designed to ensure the perfect watertightness of the aforementioned housing (8).
    18. A preservation system according to claim 17, characterised in that the aforementioned slanting elements (13) are placed on the inner surface of the cylindrical portion (4), in other words that the slanting elements (13) touch the walls of the container (1).
    EP02790496A 2001-09-13 2002-09-13 Method and device for preserving perishable products Expired - Lifetime EP1425227B1 (en)

    Priority Applications (1)

    Application Number Priority Date Filing Date Title
    EP05007842A EP1571098A1 (en) 2001-09-13 2002-09-13 Method and device for preserving perishable products

    Applications Claiming Priority (7)

    Application Number Priority Date Filing Date Title
    FR0111828A FR2829468A1 (en) 2001-09-13 2001-09-13 Conservation of perishable products using container with supple cover which is compressed to expel surplus air
    FR0111828 2001-09-13
    FR0202650A FR2829469B1 (en) 2001-09-13 2002-03-01 PROCESS AND DEVICE FOR THE PRESERVATION OF PERISHABLE PRODUCTS
    FR0202650 2002-03-01
    FR0203950 2002-03-28
    FR0203950A FR2829470B3 (en) 2001-09-13 2002-03-28 PROCESS AND DEVICE FOR THE PRESERVATION OF PERISHABLE PRODUCTS
    PCT/FR2002/003133 WO2003022702A1 (en) 2001-09-13 2002-09-13 Method and device for preserving perishable products

    Related Child Applications (1)

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    EP1425227A1 EP1425227A1 (en) 2004-06-09
    EP1425227B1 true EP1425227B1 (en) 2005-11-09

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    EP02790496A Expired - Lifetime EP1425227B1 (en) 2001-09-13 2002-09-13 Method and device for preserving perishable products

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    EP (2) EP1571098A1 (en)
    JP (1) JP2005502401A (en)
    AT (1) ATE309143T1 (en)
    CA (1) CA2459762A1 (en)
    DE (2) DE02790496T1 (en)
    ES (1) ES2253573T3 (en)
    FR (1) FR2829470B3 (en)
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    GB0419895D0 (en) * 2004-09-08 2004-10-13 Edmunds Melissa Container cover
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    US20070131701A1 (en) * 2005-12-01 2007-06-14 Herbert Curtis B Nestable containers with bending covers for improved storage
    US8100285B2 (en) * 2007-03-09 2012-01-24 Danielle Aseff Food cooking, serving and storage device
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    FR2737467B1 (en) 1995-08-03 1997-10-24 Rouressol Daniele CONSERVATION AND PACKAGING PROCESS, PARTICULARLY FOR FOOD PRODUCTS
    DE19747911A1 (en) * 1997-10-30 1999-05-12 Schmidt Gabriel Michael Lid for a kitchen basin with convex membrane material

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    ATE309143T1 (en) 2005-11-15
    ES2253573T3 (en) 2006-06-01
    EP1571098A1 (en) 2005-09-07
    DE60207279D1 (en) 2005-12-15
    WO2003022702A1 (en) 2003-03-20
    DE02790496T1 (en) 2005-01-13
    WO2003022702B1 (en) 2004-05-27
    FR2829470A1 (en) 2003-03-14
    JP2005502401A (en) 2005-01-27
    CA2459762A1 (en) 2003-03-20
    DE60207279T2 (en) 2006-08-10
    US20040191369A1 (en) 2004-09-30
    FR2829470B3 (en) 2003-10-31
    EP1425227A1 (en) 2004-06-09

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