FR2668126A1 - Package for the vacuum packing of a product, in particular a food product having any type of surface, and method for preparing such a package - Google Patents

Package for the vacuum packing of a product, in particular a food product having any type of surface, and method for preparing such a package Download PDF

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Publication number
FR2668126A1
FR2668126A1 FR9013006A FR9013006A FR2668126A1 FR 2668126 A1 FR2668126 A1 FR 2668126A1 FR 9013006 A FR9013006 A FR 9013006A FR 9013006 A FR9013006 A FR 9013006A FR 2668126 A1 FR2668126 A1 FR 2668126A1
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FR
France
Prior art keywords
product
container
food product
packaging
opening
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
FR9013006A
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French (fr)
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FR2668126B1 (en
Inventor
Gauthier Patrice
Tournier Laurent
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.)
MADRANGE SA
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MADRANGE SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by MADRANGE SA filed Critical MADRANGE SA
Priority to FR9013006A priority Critical patent/FR2668126B1/en
Publication of FR2668126A1 publication Critical patent/FR2668126A1/en
Application granted granted Critical
Publication of FR2668126B1 publication Critical patent/FR2668126B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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

Abstract

The present invention relates to a package for the vacuum packing of a product, in particular a food product, comprising an essentially rigid container (1) filled with the food product (2) and having an upper opening surrounded by a rim (3) extending in the plane of this opening, this rim being intended to serve as a support for a means of sealing a closure element put into position after filling the container (1) with the product (2), characterised in that the closure element consists of a thermoformable film (4) which is applied over the opening of the container (1) in a heated state in order to closely follow the reliefs of the surface of the food product (2).

Description

CONDITIONNEMENT POUR L L'EMBALLAGE SOUS VIDE D'UN PRODUIT NOTAMMENT ALIMENTAIRE PRESENTANT UNE
SURFACE QUELCONQUE, ET PROCEDE DE PREPARATION D'UN
TEL CONDITIONNEMENT.PACKAGING FOR THE VACUUM PACKAGING OF A PARTICULARLY FOOD PRODUCT HAVING A
ANY SURFACE, AND METHOD FOR PREPARING A
SUCH PACKAGING.

La présente invention a pour objet un conditionnement réalisant l'emballage sous vide d'un produit, notamment alimentaire présentant une surface quelconque, ainsi que le procédé de préparation d'un tel conditionnement. The present invention relates to a packaging providing vacuum packaging of a product, in particular food having any surface, as well as the process for preparing such packaging.

La présentation des produits alimentaires fait ltobjet d'incessantes recherches visant à fournir aux consommateurs des produits dont l'emballage assure l'intégrité du produit tant au niveau de ses qualités alimentaires que dans son aspect purement esthétique. The presentation of food products is the subject of incessant research aimed at providing consumers with products whose packaging ensures the integrity of the product both in terms of its nutritional qualities and in its purely aesthetic appearance.

Ainsi, les produits de charcuterie, tels que les jambons ou pâtés, sont souvent présentés dans des films transparents, éventuellement disposés dans des terrines rigides. Thus, delicatessen products, such as hams or pâtés, are often presented in transparent films, possibly placed in rigid terrines.

On connaît dans l'industrie alimentaire plusieurs techniques permettant d'emballer sous vide, dans des films transparents, de tels produits. Several techniques are known in the food industry for packaging such products under vacuum, in transparent films.

On propose notamment des conditionnements constitués d'un film supérieur et d'un film inférieur plus ou moins déformables, scellés sous vide autour du produit. We propose in particular packaging consisting of an upper film and a more or less deformable lower film, sealed under vacuum around the product.

Celui-ci est exposé sur toute sa surface à des chocs qui peuvent déchirer les films et exposer le produit à des pollutions diverses. A la mise sous vide, les films risquenr également d'écraser le produit. Afin d'augmenter le plaquage de l'emballage sur le produit et d'éviter l'inconvénient précédent, on a également proposé de préchauffer le film supérieur.It is exposed over its entire surface to shocks which can tear the films and expose the product to various types of pollution. When vacuumed, the films also risk crushing the product. In order to increase the packaging of the packaging on the product and to avoid the above drawback, it has also been proposed to preheat the upper film.

Selon une autre technique, on introduit le produit, préalablement disposé dans un contenant rigide, dans un sac transparent dont l'extrémité ouverte est scellée sous vide après l'introduction du produit. Pour améliorer la présentation, une rétractation du sac sur son contenu est obtenue par passage dans un bain chaud. Cette solution n'est pas satisfaisante car le produit n'est pas emballé seul, mais avec la terrine qui le contient, le sac présent contre les parois de la terrine n'étant pas nécessaire à la protection du produit représente un surcoüt inutile. According to another technique, the product, introduced beforehand in a rigid container, is introduced into a transparent bag, the open end of which is sealed under vacuum after the introduction of the product. To improve the presentation, a retraction of the bag on its contents is obtained by passing through a hot bath. This solution is not satisfactory because the product is not packaged alone, but with the terrine which contains it, the bag present against the walls of the terrine not being necessary for the protection of the product represents an unnecessary additional cost.

Une autre technique, intitulée operculage, consiste à disposer le produit dans un contenant dont la hauteur des bords est fixée de façon à être juste supérieure à la surface du produit, puis après avoir effectué le vide, on soude un film transparent non déformable sur le bord du contenant. Cette technique est utilisable uniquement lorsque la surface du produit est plane et au niveau des bords supérieurs du contenant, lorsque la surface du produit n'est pas plane et/ou présente une concavité ou une convexité le film se déchire ou la terrine est endommagée. Another technique, called lidding, consists of placing the product in a container, the height of the edges of which is fixed so as to be just greater than the surface of the product, then, after vacuuming, a transparent, non-deformable film is welded onto the edge of container. This technique can only be used when the surface of the product is flat and at the upper edges of the container, when the surface of the product is not flat and / or has a concavity or convexity, the film tears or the dish is damaged.

Le but de la présente invention est de pallier ces inconvénients en offrant un conditionnement pour l'emballage sous vide de produits notamment alimentaires, facile d'utilisation, peu onéreux et protégeant au mieux le produit tout en conservant son aspect esthétique naturel. The object of the present invention is to overcome these drawbacks by offering packaging for vacuum packaging of products, in particular food products, easy to use, inexpensive and best protecting the product while retaining its natural aesthetic appearance.

Ces buts sont atteints selon l'invention grâce à un conditionnement pour l'emballage sous vide d'un produit notamment alimentaire, comportant un contenant essentiellement rigide rempli du produit alimentaire et présentant une ouverture supérieure entourée d'un rebord s'étendant dans le plan de cette ouverture, rebord qui est destiné à servir de support à un moyen de scellement d'un élément de fermeture mis en place après le remplissage du contenant avec le produit, caractérisé en ce que l'élément de fermeture est constitué d'un film déformable par la chaleur qui est appliqué sur l'ouverture du contenant dans un état chauffé afin d'épouser les reliefs de la surface du produit alimentaire. These objects are achieved according to the invention by means of packaging for vacuum packaging of a product, in particular a food product, comprising an essentially rigid container filled with the food product and having an upper opening surrounded by a rim extending in the plane. of this opening, a rim which is intended to serve as a support for a means of sealing a closure element put in place after filling the container with the product, characterized in that the closure element consists of a film heat-deformable which is applied to the opening of the container in a heated state to match the reliefs of the surface of the food product.

Le film thermoformable épouse parfaitement les détails de la surface du produit alimentaire, que cette surface dépasse ou soit en-dessous de l'ouverture du contenant. L'aspect du produit ainsi emballé est des plus naturels.  The thermoformable film perfectly matches the details of the surface of the food product, whether this surface exceeds or is below the opening of the container. The appearance of the product thus packaged is very natural.

De manière avantageuse, le film thermoformable est chauffé à une température comprise entre et 2000
Celsius.Advantageously, the thermoformable film is heated to a temperature between and 2000
Celsius.

Selon une forme de réalisation préférée de l'invention, le contenant rigide est en matière plastique, avantageusement il est constitué de polypropylène ou polyethylène. According to a preferred embodiment of the invention, the rigid container is made of plastic, advantageously it is made of polypropylene or polyethylene.

L'invention concerne également le procédé d'emballage sous vide d'un produit notamment alimentaire dans le conditionnement précédent. The invention also relates to the method of vacuum packaging a product, especially a food product, in the previous packaging.

Ce procédé est caractérisé en ce que l'on rempli un contenant essentiellement rigide par un produit alimentaire, ledit contenant comportant une ouverture supérieure qui est entourée d'un rebord sur lequel on scelle, sous vide, un film démoformable par la chaleur préalablement chauffé de façon à ce que ce dernier épouse les reliefs de la surface du produit alimentaire. This process is characterized in that an essentially rigid container is filled with a food product, said container comprising an upper opening which is surrounded by a rim on which a film demoformable by heat, previously heated by heat, is sealed. so that the latter follows the reliefs of the surface of the food product.

Selon une forme de mise en oeuvre avantageuse du procédé de l'invention, le film thermoformable est chauffé à une température comprise entre 100 et 200 Celsius. According to an advantageous embodiment of the method of the invention, the thermoformable film is heated to a temperature between 100 and 200 Celsius.

D'autres avantages et caractéristiques de l'invention apparaîtront dans les exemples qui suivent et les dessins annexés dans lesquels
- la figure 1 représente une vue en coupe transversale d'un conditionnement selon l'invention, pour l'emballage d'un produit alimentaire dont la surface supérieure dépasse de l'ouverture du contenant.Other advantages and characteristics of the invention will appear in the examples which follow and the attached drawings in which
- Figure 1 shows a cross-sectional view of a package according to the invention, for packaging a food product whose upper surface projects beyond the opening of the container.

- la figure 2 représente une vue en coupe transversale d'un conditionnement selon l'invention, pour l'emballage dtun produit alimentaire dont la surface supérieure est en-dessous de l'ouverture du contenant. - Figure 2 shows a cross-sectional view of a package according to the invention, for packaging a food product whose upper surface is below the opening of the container.

La figure 3 représente une vue en coupe transversale d'un conditionnement selon l'invention, pour l'emballage d'un produit alimentaire dont une partie de la surface supérieure dépasse de l'ouverture du contenant et au moins une autre partie est en-dessous de l'ouverture du contenant.  FIG. 3 represents a cross-sectional view of a packaging according to the invention, for packaging a food product of which part of the upper surface projects beyond the opening of the container and at least another part is below the container opening.

Dans la figure 1, on a représenté un contenant (1) en matière plastique comportant une ouverture supérieure qui est entourée d'un rebord externe (3) sensiblement plat et dans le plan de l'ouverture. Ledit rebord (3) présente une largeur de quelques millimètres avantageusement de 1 à 10 mm, suffisante pour permettre le scellement par soudure du film déforformable par la chaleur (4) avec cordon de soudure ou sans cordon dans le cas ou le film sera avantageusement choisi pour adhérer une fois chauffé au rebord (3) du contenant. In Figure 1, there is shown a container (1) of plastic material having an upper opening which is surrounded by an outer edge (3) substantially flat and in the plane of the opening. Said flange (3) has a width of a few millimeters, advantageously from 1 to 10 mm, sufficient to allow sealing by welding of the heat-deformable film (4) with weld bead or without bead in the case where the film is advantageously chosen. to adhere once heated to the rim (3) of the container.

Le contenant (1) est rempli par un produit alimentaire (2) tel qu'un pâté, dépassant sensiblement de l'ouverture. Le pâté (2) est recouvert d'un film déformable par la chaleur et transparent (4). The container (1) is filled with a food product (2) such as a pâté, substantially protruding from the opening. The pâté (2) is covered with a transparent and heat-deformable film (4).

Ledit film (4) après avoir été chauffé a été scellé sous vide au moyen d'un cordon de soudure avantageusement cylindrique sur le rebord (3), il épouse parfaitement la surface du pâté (2). Said film (4) after being heated has been vacuum sealed by means of an advantageously cylindrical weld bead on the rim (3), it perfectly matches the surface of the block (2).

Dans la figure 2, on a représenté un contenant (1) rempli par un pâté (2) dont la surface supérieure est en-dessous de l'ouverture du dit contenant (1). Le film (4) chauffé et scellé comme précédemment épouse parfaitement la surface du pâté. In Figure 2, there is shown a container (1) filled with a pâté (2) whose upper surface is below the opening of said container (1). The film (4) heated and sealed as before perfectly hugs the surface of the block.

Dans la figure 3, on a représenté un contenant (1) rempli par un pâté (2) dont une partie de la surface supérieure dépasse de l'ouverture du contenant et une autre partie est en-dessous de l'ouverture du contenant. Le film (4) chauffé et scellé comme précédemment épouse parfaitement la surface du pâté. In Figure 3, there is shown a container (1) filled with a pâté (2), part of the upper surface protrudes from the opening of the container and another part is below the opening of the container. The film (4) heated and sealed as before perfectly hugs the surface of the block.

L'invention a été décrite au moyen d'exemples de réalisation sans pour autant être limitée à la forme particulière de ces exemples. De nombreuses modifications peuvent être envisagées sans sortir de l'étendue de l'invention, notamment sur la forme et la taille du contenant, de son ouverture et de son rebord, ainsi que sur les matériaux utilisés et l'utilisation ou non d'un cordon de soudure pour le scellement du film sur le contenant.  The invention has been described by means of exemplary embodiments without however being limited to the particular form of these examples. Many modifications can be envisaged without departing from the scope of the invention, in particular on the shape and size of the container, its opening and its rim, as well as on the materials used and the use or not of a weld bead for sealing the film on the container.

Le conditionnement de l'invention est adapté pour l'emballage de nombreux produits, notamment alimentaires; ces produits peuvent être cuits ou crus et présenter une consistance solide, semi-liquide ou visqueuse.  The packaging of the invention is suitable for packaging many products, especially food; these products can be cooked or raw and have a solid, semi-liquid or viscous consistency.

Claims (6)

REVENDICATIONS 1 - Conditionnement pour l'emballage sous vide d'un produit notamment alimentaire, comportant un contenant (1) essentiellement rigide rempli du produit alimentaire (2) et présentant une ouverture supérieure entourée d'un rebord (3) s'étendant dans le plan de cette ouverture, rebord qui est destiné à servir de support à un moyen de scellement d'un élément de fermeture mis en place après le remplissage du contenant (1) avec le produit (2), caractérisé en ce que l'élément de fermeture est constitué d'un film déformable par la chaleur (4) qui est appliqué sur l'ouverture du contenant (1) dans un état chauffé afin d'épouser les reliefs de la surface du produit alimentaire (2). 1 - Packaging for the vacuum packaging of a product, in particular a food product, comprising a substantially rigid container (1) filled with the food product (2) and having an upper opening surrounded by a rim (3) extending in the plane of this opening, a rim which is intended to serve as a support for a means of sealing a closure element put in place after filling the container (1) with the product (2), characterized in that the closure element consists of a heat-deformable film (4) which is applied to the opening of the container (1) in a heated state to match the reliefs of the surface of the food product (2). 2 - Conditionnement selon la revendication 1, caractérisé en ce que le film déformable par la chaleur (4) est chauffé à une température comprise entre 100 et 200 2 - Packaging according to claim 1, characterized in that the heat-deformable film (4) is heated to a temperature between 100 and 200 Celsius.Celsius. 3 - Conditionnement selon l'une quelconque des revendications 1 et 2, caractérisé en ce que le contenant rigide (1) est en matière plastique. 3 - Packaging according to any one of claims 1 and 2, characterized in that the rigid container (1) is made of plastic. 4 - Conditionnement selon la revendication 3, caractérisé en ce que le contenant (1) est en polypropylène ou polyethylène. 4 - Packaging according to claim 3, characterized in that the container (1) is made of polypropylene or polyethylene. 5 - procédé d'emballage sous vide d'un produit alimentaire dans un conditionnement selon l'une quelconque des revendications 1 à 4, caractérisé en ce que l'on rempli un contenant essentiellement rigide (1) par un produit alimentaire (2), ledit contenant (1) comportant une ouverture supérieure qui est entourée d'un rebord (3) sur lequel on scelle, sous vide, un film déformable par la chaleur (4) préalablement chauffé de façon à ce que ce dernier épouse les reliefs de la surface du produit alimentaire (2). 5 - method of vacuum packaging a food product in a package according to any one of claims 1 to 4, characterized in that an essentially rigid container (1) is filled with a food product (2), said container (1) having an upper opening which is surrounded by a rim (3) on which a heat-deformable film (4), previously heated, is sealed under vacuum so that the latter hugs the reliefs of the surface of the food product (2). 6 - Procédé selon la revendication 5, caractérisé en ce que le film déformable par la chaleur (4) est chauffé à une température comprise entre 100 et 200 6 - Method according to claim 5, characterized in that the heat-deformable film (4) is heated to a temperature between 100 and 200 Celsius. Celsius.
FR9013006A 1990-10-19 1990-10-19 PACKAGING FOR THE VACUUM PACKAGING OF A PARTICULARLY FOOD PRODUCT HAVING ANY SURFACE, AND PROCESS FOR PREPARING SUCH PACKAGING. Expired - Fee Related FR2668126B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9013006A FR2668126B1 (en) 1990-10-19 1990-10-19 PACKAGING FOR THE VACUUM PACKAGING OF A PARTICULARLY FOOD PRODUCT HAVING ANY SURFACE, AND PROCESS FOR PREPARING SUCH PACKAGING.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9013006A FR2668126B1 (en) 1990-10-19 1990-10-19 PACKAGING FOR THE VACUUM PACKAGING OF A PARTICULARLY FOOD PRODUCT HAVING ANY SURFACE, AND PROCESS FOR PREPARING SUCH PACKAGING.

Publications (2)

Publication Number Publication Date
FR2668126A1 true FR2668126A1 (en) 1992-04-24
FR2668126B1 FR2668126B1 (en) 1994-03-25

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FR9013006A Expired - Fee Related FR2668126B1 (en) 1990-10-19 1990-10-19 PACKAGING FOR THE VACUUM PACKAGING OF A PARTICULARLY FOOD PRODUCT HAVING ANY SURFACE, AND PROCESS FOR PREPARING SUCH PACKAGING.

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1358365A (en) * 1962-05-16 1964-04-17 Packaging process, in particular for food products and packaging in accordance with the preceding process or similar processes
FR2551025A1 (en) * 1983-08-23 1985-03-01 Grace W R Ltd METHOD FOR FORMING A SUPPORT ELEMENT PARTICULARLY FOR VACUUM PACKAGING APPLICATIONS, SUPPORT ELEMENT THUS PRODUCED AND VACUUM PACKAGE COMPRISING SUCH A SUPPORT ELEMENT
WO1987002965A1 (en) * 1985-11-14 1987-05-21 Garwood Ltd. Packaging
EP0248601A2 (en) * 1986-05-29 1987-12-09 Cmb Packaging (Uk) Limited Retortable packages
EP0284137A1 (en) * 1987-03-17 1988-09-28 Unilever N.V. Package

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1358365A (en) * 1962-05-16 1964-04-17 Packaging process, in particular for food products and packaging in accordance with the preceding process or similar processes
FR2551025A1 (en) * 1983-08-23 1985-03-01 Grace W R Ltd METHOD FOR FORMING A SUPPORT ELEMENT PARTICULARLY FOR VACUUM PACKAGING APPLICATIONS, SUPPORT ELEMENT THUS PRODUCED AND VACUUM PACKAGE COMPRISING SUCH A SUPPORT ELEMENT
WO1987002965A1 (en) * 1985-11-14 1987-05-21 Garwood Ltd. Packaging
EP0248601A2 (en) * 1986-05-29 1987-12-09 Cmb Packaging (Uk) Limited Retortable packages
EP0284137A1 (en) * 1987-03-17 1988-09-28 Unilever N.V. Package

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