EP0321361B1 - Packing, especially vacuum-packing, for products releasing humidity - Google Patents

Packing, especially vacuum-packing, for products releasing humidity Download PDF

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Publication number
EP0321361B1
EP0321361B1 EP88403228A EP88403228A EP0321361B1 EP 0321361 B1 EP0321361 B1 EP 0321361B1 EP 88403228 A EP88403228 A EP 88403228A EP 88403228 A EP88403228 A EP 88403228A EP 0321361 B1 EP0321361 B1 EP 0321361B1
Authority
EP
European Patent Office
Prior art keywords
packing
moisture
wrapping
packing according
product
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
EP88403228A
Other languages
German (de)
French (fr)
Other versions
EP0321361A1 (en
Inventor
Mathilde Pages
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.)
PAUL PREDAULT
Original Assignee
PAUL PREDAULT
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 PAUL PREDAULT filed Critical PAUL PREDAULT
Priority to AT88403228T priority Critical patent/ATE86578T1/en
Publication of EP0321361A1 publication Critical patent/EP0321361A1/en
Application granted granted Critical
Publication of EP0321361B1 publication Critical patent/EP0321361B1/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
    • B65D81/24—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants
    • B65D81/26—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants with provision for draining away, or absorbing, or removing by ventilation, fluids, e.g. exuded by contents; Applications of corrosion inhibitors or desiccators
    • B65D81/264—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants with provision for draining away, or absorbing, or removing by ventilation, fluids, e.g. exuded by contents; Applications of corrosion inhibitors or desiccators for absorbing liquids

Definitions

  • the invention relates to packaging of the type described in the preamble to the main claim.
  • a package of this type is known from FR-A-2 212 816.
  • the known moisture absorption layer of said document comprises, between two sheets of crepe paper stuck together, a filler of silica gel which is subdivided into a plurality of compartments.
  • the sheets are liquid permeable and the silica gel is, for example, a material with a small particle size.
  • This packaging has the major drawbacks of being opaque and of not highlighting the packaged product.
  • the object of the present invention is to propose a packaging which does not have the drawbacks of the state of the art.
  • the packaging according to the invention comprises the characteristics which are set out in the characterizing part of the main claim.
  • product 1 for example a certain number of slices of ham, is hermetically sealed in an envelope sealed closed 2.
  • the packaging of the product 1 is made for example under vacuum, in a manner known per se.
  • a sheet 3 is respectively disposed of a material which has a high suitable moisture absorption capacity and is completely transparent, at least after have absorbed the moisture released by the product.
  • tissue has the two properties of absorbing moisture and becoming transparent after absorption. Thus all the parts of the tissue paper which are in contact with the product become completely transparent. Therefore, when the sheets 3 are placed as shown in Figure 1, the packaging is completely transparent and the sheets of tissue paper 3 are invisible to the consumer.
  • the grammage of the paper should be adapted to the amount of moisture which will be released from the product 1, inside the envelope 2, so that the paper can absorb all of this moisture.
  • the grammage of the paper is to be chosen accordingly and is advantageously between 20 and 25 g / m2 depending on the paper used.
  • the paper becomes too dense and has a somewhat grayish appearance.
  • the paper is not completely transparent after absorbing the moisture.
  • the sheets 3 could also be fixed, for example by gluing to the surface of a ribbon of the transparent material forming the envelope, before the vacuum packaging operation of the product therein. This fixation could be done in any suitable way. Of course when the fixing is done by gluing, it is advisable to use an adhesive material which is compatible with the product and the liquid which it gives off and does not in any way affect the food qualities thereof. Any other way of fixing can however be applied.
  • tissue paper any material other than tissue paper can be used provided that this material meets the two conditions, namely that it absorbs moisture and is transparent, or in its natural state, either after absorption of moisture.
  • an appropriate thickness of the interposition sheet between the product and the outer envelope generally made of transparent plastic it can be obtained that all the moisture which could be released by the product is absorbed, without this causing drying of the product, at its parts in contact with the absorbent material.
  • the invention thus provides a packaging which could be entirely transparent, insofar as the absorbent material is completely transparent, that is to say invisible to the eye of the consumer.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)
  • Wrappers (AREA)
  • Laminated Bodies (AREA)
  • Electroluminescent Light Sources (AREA)
  • Vacuum Packaging (AREA)

Abstract

The invention relates to a packaging, especially a vacuum-packaging, for products exuding moisture when they are enclosed in the packaging. The packaging comprises a leaktight envelope (2) in a transparent material, characterised in that it comprises, arranged between the said envelope (2) and the outer surface of the product (1), over at least a part thereof, a layer (3) in a material which has the capability to absorb the moisture exuding from the packaged product and is transparent at least after the absorption of the moisture. The invention can be used for packaging food products, such as cooked pork-meat products. <IMAGE>

Description

L'invention concerne un emballage du type décrit dans le préambule de la revendication principale.The invention relates to packaging of the type described in the preamble to the main claim.

Un emballage de ce type est connu par FR-A-2 212 816. La couche d'absorption d'humidité connue dudit document comprend, entre deux feuilles de papier crêpe collées l'une à l'autre, une charge de gel de silice qui est sub-divisé en une pluralité de compartiments. Les feuilles sont perméables au liquide et le gel de silice est par exemple une matière à faible granulométrie.A package of this type is known from FR-A-2 212 816. The known moisture absorption layer of said document comprises, between two sheets of crepe paper stuck together, a filler of silica gel which is subdivided into a plurality of compartments. The sheets are liquid permeable and the silica gel is, for example, a material with a small particle size.

Cet emballage présente les inconvénients majeurs d'être opaque et de ne pas mettre en valeur le produit emballé.This packaging has the major drawbacks of being opaque and of not highlighting the packaged product.

La présente invention a pour but de proposer un emballage qui ne présente pas les inconvénients de l'état de la technique.The object of the present invention is to propose a packaging which does not have the drawbacks of the state of the art.

Pour atteindre ce but, l'emballage selon l'invention comprend les caractéristiques qui sont énoncées dans la partie caractérisante de la revendication principale.To achieve this object, the packaging according to the invention comprises the characteristics which are set out in the characterizing part of the main claim.

D'autres caractéristiques avantageuses de l'invention sont décrites dans les revendications dépendantes.Other advantageous features of the invention are described in the dependent claims.

L'invention sera mieux comprise et d'autres buts, caractéristiques, détails et avantages de celle-ci apparaîtront plus clairement au cours de la description explicative qui va suivre faite en référence aux dessins schématiques annexés donnés uniquement à titre d'exemple illustrant un mode de réalisation de l'invention et dans lesquels:

  • La figure 1 est une vue schématique en coupe d'un emballage selon la présente invention;
  • La figure 2 est une vue de dessus d'une bande de matière transparente formant enveloppe d'emballage portant des feuilles de matière d'absorption d'humidité selon l'invention; et
  • La figure 3 est une vue en coupe selon la ligne III-III de la figure 2.
The invention will be better understood and other objects, characteristics, details and advantages thereof will appear more clearly during the explanatory description which follows, made with reference to the appended schematic drawings given solely by way of example illustrating a mode of the invention and in which:
  • Figure 1 is a schematic sectional view of a package according to the present invention;
  • Figure 2 is a top view of a strip of transparent material forming a packaging envelope carrying sheets of moisture absorbing material according to the invention; and
  • Figure 3 is a sectional view along line III-III of Figure 2.

En se référant à la figure 1, on constate que le produit 1, par exemple un certain nombre de tranches de jambon, est enfermé, de façon hermétique, dans une enveloppe étanche fermée 2. L'emballage du produit 1 est fait par exemple sous vide, de façon connue en soi. Selon l'invention entre les surfaces supérieure et inférieure libres du produit 1 et l'enveloppe 2, on a disposé respectivement une feuille 3 en un matériau qui possède un grand pouvoir d'absorption d'humidité approprié et est totalement transparent, au moins après avoir absorbé l'humidité dégagée par le produit.Referring to FIG. 1, it can be seen that product 1, for example a certain number of slices of ham, is hermetically sealed in an envelope sealed closed 2. The packaging of the product 1 is made for example under vacuum, in a manner known per se. According to the invention, between the free upper and lower surfaces of the product 1 and the casing 2, a sheet 3 is respectively disposed of a material which has a high suitable moisture absorption capacity and is completely transparent, at least after have absorbed the moisture released by the product.

Il s'est avéré que du papier mousseline présente les deux propriétés, à savoir d'absorber l'humidité et de devenir transparent après l'absorption de celle-ci. Ainsi toutes les parties du papier mousseline qui sont en contact avec le produit deviennent complètement transparentes. De ce fait, lorsque les feuilles 3 sont placées de la manière représentée à la figure 1, l'emballage est entièrement transparent et les feuilles de papier mousseline 3 sont invisibles aux yeux du consommateur.It has been found that tissue has the two properties of absorbing moisture and becoming transparent after absorption. Thus all the parts of the tissue paper which are in contact with the product become completely transparent. Therefore, when the sheets 3 are placed as shown in Figure 1, the packaging is completely transparent and the sheets of tissue paper 3 are invisible to the consumer.

Bien entendu il convient d'adapter le grammage du papier à la quantité d'humidité qui se dégagera du produit 1, à l'intérieur de l'enveloppe 2, pour que le papier puisse absorber la totalité de cette humidité. le grammage du papier est à choisir en conséquence et est avantageusement compris entre 20 et 25 g/m² en fonction du papier utilisé. En choisissant un grammage trop élevé, le papier devient trop dense et présente un aspect quelque peu grisâtre. Le papier n'est pas totalement transparent après l'absorption de l'humidité. D'autre part, il pourrait être avantageux de soumettre le matériau formant le papier mousseline à un traitement de blanchiment pour améliorer, le cas échéant, sa propriété de transparence après l'absorption de l'humidité. Il faut cependant éviter que le papier devienne trop blanc car ceci lui donnerait un aspect laiteux à l'intérieur de l'emballage et rendrait le papier visible. C'est donc en déterminant de façon appropriée les deux paramètres formés par le grammage et le blanchiment que l'on peut obtenir un emballage totalement transparent, en fonction de la nature et des dimensions du produit à emballer.Of course, the grammage of the paper should be adapted to the amount of moisture which will be released from the product 1, inside the envelope 2, so that the paper can absorb all of this moisture. the grammage of the paper is to be chosen accordingly and is advantageously between 20 and 25 g / m² depending on the paper used. By choosing a too high grammage, the paper becomes too dense and has a somewhat grayish appearance. The paper is not completely transparent after absorbing the moisture. On the other hand, it could be advantageous to subject the material forming the tissue paper to a bleaching treatment to improve, if necessary, its transparency property after the absorption of moisture. However, you must avoid the paper become too white as this would give it a milky appearance inside the packaging and make the paper visible. It is therefore by appropriately determining the two parameters formed by the grammage and the bleaching that a completely transparent packaging can be obtained, depending on the nature and dimensions of the product to be packaged.

Pour réaliser un emballage tel que représenté à la figure 1, on pourrait poser des feuilles de papier mousseline coupées à la taille appropriée sur des surfaces par exemple supérieure et inférieure du produit et exécuter par la suite l'opération d'emballage sous vide dans l'enveloppe 2. On constate lors de l'ouverture d'un tel emballage que les feuilles de papier 3 ont tendance à rester collées sur la matière plastique formant l'enveloppe 2 sous l'effet de l'humidité qui s'accumule entre l'enveloppe et le papier.To make a packaging as shown in Figure 1, one could lay sheets of tissue paper cut to the appropriate size on surfaces, for example upper and lower of the product and subsequently perform the vacuum packaging operation in the 'envelope 2. It is noted when opening such a packaging that the sheets of paper 3 tend to remain stuck on the plastic forming the envelope 2 under the effect of moisture which accumulates between the envelope and paper.

On pourrait aussi fixer les feuilles 3 par exemple par collage sur la surface d'un ruban du matériau transparent formant l'enveloppe, avant l'opération d'emballage sous vide du produit dans celui-ci. Cette fixation pourrait être faite de toute manière appropriée. Bien entendu lorsque la fixation se fait par collage, il convient d'utiliser une matière de colle qui est compatible avec le produit et le liquide qu'il dégage et n'affecte nullement les qualités alimentaires de celui-ci. Toute autre manière de fixation peut cependant être appliquée.The sheets 3 could also be fixed, for example by gluing to the surface of a ribbon of the transparent material forming the envelope, before the vacuum packaging operation of the product therein. This fixation could be done in any suitable way. Of course when the fixing is done by gluing, it is advisable to use an adhesive material which is compatible with the product and the liquid which it gives off and does not in any way affect the food qualities thereof. Any other way of fixing can however be applied.

Bien entendu tout matériau autre que du papier de mousseline peut être utilisé à condition que ce matériau satisfasse aux deux conditions, à savoir qu'il absorbe l'humidité et soit transparent, soit à l'état naturel, soit après l'absorption de l'humidité. En choisissant une épaisseur appropriée de la feuille d'interposition entre le produit et l'enveloppe externe généralement en matière plastique transparente, on peut obtenir que toute l'humidité qui pourrait être dégagée par le produit soit absorbée, sans que cela entraîne un désséchement du produit, au niveau de ses parties en contact avec la matière absorbante.Of course any material other than tissue paper can be used provided that this material meets the two conditions, namely that it absorbs moisture and is transparent, or in its natural state, either after absorption of moisture. By choosing an appropriate thickness of the interposition sheet between the product and the outer envelope generally made of transparent plastic, it can be obtained that all the moisture which could be released by the product is absorbed, without this causing drying of the product, at its parts in contact with the absorbent material.

L'invention propose ainsi un emballage qui pourrait être entièrement transparent, dans la mesure où le matériau absorbant est totalement transparent, c'est-à-dire invisible à l'oeil du consommateur.The invention thus provides a packaging which could be entirely transparent, insofar as the absorbent material is completely transparent, that is to say invisible to the eye of the consumer.

Claims (9)

  1. In particular evacuated packing for products evolving moisture when they are enclosed in the packing, in particular for food products (1) such as pork butcher's products like ham or meat slices, the packing comprising an advantageously fluid-tight wrapping (2) of a transparent material and, arranged between the said wrapping (2) and the external surface of the product (1) over at least one portion thereof, a layer (3) of a material having a capacity of absorbing moisture evolving from the packed product, characterized in that the layer (3) is made from a transparent material at least after absorption of the moisture.
  2. Packing according to claim 1, characterized in that the layer (3) of the aforesaid material is constituted by a sheet of paper of the tissue paper type.
  3. Packing according to claim 2, characterized in that the substance of the tissue paper (3) is selected in such a manner that the paper becomes fully transparent under the effect of the moisture evolved while absorbing all of it.
  4. Packing according to one of the claims 2 or 3, characterized in that the paper (3) is subjected to a previous bleaching treatment with a view to avoid a milky appearance in the moist transparent state.
  5. Packing according to one of the foregoing claims, characterized in that the aforesaid sheet-shaped material is interposed between the product (1) and the wrapping (2).
  6. Packing according to one of the foregoing claims, characterized in that the aforesaid material is laid upon the external surface of the product (1) prior to the vacuum-packing operation.
  7. Packing according to one of claims 1 to 4, characterized in that the aforesaid material (3) is stuck upon the internal surface of the wrapping (2).
  8. Packing according to claim 7, characterized in that the material forming the aforesaid wrapping is in the shape of a strip and the aforesaid material is adhesively bonded upon the surface of this strip which forms the internal surface of the wrapping (2).
  9. Packing according to one of claims 2 to 8, characterized in that the tissue paper exhibits a substance advantageously lying between 20 and 25 g/m².
EP88403228A 1987-12-17 1988-12-16 Packing, especially vacuum-packing, for products releasing humidity Expired - Lifetime EP0321361B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88403228T ATE86578T1 (en) 1987-12-17 1988-12-16 PACKAGING, ESPECIALLY VACUUM PACKAGING, FOR MOISTURIZING PRODUCTS.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8717651A FR2624833B1 (en) 1987-12-17 1987-12-17 PACKAGING, IN PARTICULAR VACUUM, FOR PRODUCTS EMITTING MOISTURE
FR8717651 1987-12-17

Publications (2)

Publication Number Publication Date
EP0321361A1 EP0321361A1 (en) 1989-06-21
EP0321361B1 true EP0321361B1 (en) 1993-03-10

Family

ID=9357992

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88403228A Expired - Lifetime EP0321361B1 (en) 1987-12-17 1988-12-16 Packing, especially vacuum-packing, for products releasing humidity

Country Status (5)

Country Link
EP (1) EP0321361B1 (en)
AT (1) ATE86578T1 (en)
DE (1) DE3879130T2 (en)
ES (1) ES2040369T3 (en)
FR (1) FR2624833B1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29505187U1 (en) * 1995-03-28 1995-07-20 David Stephan Bags for vacuum packaging machines
NZ286840A (en) * 1996-06-18 1998-09-24 Aep Ind Nz Ltd Change Of Name Bag for packaging meat includes liquid absorbent assembly constrained to one of top and bottom plies
EP1484260A1 (en) * 2003-06-02 2004-12-08 Mark Ewald Liquid accommodating member
HUP0500808A2 (en) * 2005-08-30 2007-11-28 Sylvain Husipari Kft Wrapped meat-product and process for production it

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1140952A (en) * 1956-01-04 1957-08-22 Moisture-resistant packaging
US3209978A (en) * 1961-07-03 1965-10-05 Continental Can Co Liquid absorbing and concealing device
BE707089A (en) * 1967-11-27 1968-04-01
DE2020622A1 (en) * 1970-04-28 1971-11-11 Josef Schmitter Kg Diesel Und Packaging material prodn for moisture sensitive goods
DE2263766A1 (en) * 1972-12-28 1974-07-04 Rudolf Marx SUCCESSIBLE INSERT FOR VACUUM BAG PACKAGING OF MEAT
US4619361A (en) * 1983-05-31 1986-10-28 Paramount Packaging Corporation Bag for displaying food

Also Published As

Publication number Publication date
DE3879130D1 (en) 1993-04-15
ATE86578T1 (en) 1993-03-15
FR2624833B1 (en) 1990-04-20
ES2040369T3 (en) 1993-10-16
EP0321361A1 (en) 1989-06-21
DE3879130T2 (en) 1993-09-30
FR2624833A1 (en) 1989-06-23

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