EP0531239B1 - Plastic article obtained from a thermoformed sheet with breaking lines - Google Patents
Plastic article obtained from a thermoformed sheet with breaking lines Download PDFInfo
- Publication number
- EP0531239B1 EP0531239B1 EP19920420292 EP92420292A EP0531239B1 EP 0531239 B1 EP0531239 B1 EP 0531239B1 EP 19920420292 EP19920420292 EP 19920420292 EP 92420292 A EP92420292 A EP 92420292A EP 0531239 B1 EP0531239 B1 EP 0531239B1
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- European Patent Office
- Prior art keywords
- shaped groove
- sheet
- article
- groove
- article according
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Classifications
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- 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
- B65D71/00—Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans or pop bottles; Bales of material
- B65D71/50—Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans or pop bottles; Bales of material comprising a plurality of articles held together only partially by packaging elements formed otherwise than by folding a blank
Definitions
- the subject of the present invention is an article made of synthetic material obtained by thermoforming a sheet and comprising breaking lines.
- the article in question may, for example, consist of a container comprising several cells with breaking lines between the various cells, in order to allow them to be separated from one another, to use the contents separately. of each cell.
- a particular application of this type of article relates to the packaging of food products, such as yogurts, or dessert creams.
- Document GB-A-976 398 relates to a container grouping device comprising a container retaining sheet having breaking lines making it possible to separate certain containers from one another. These rupture lines are formed, for example, by two V-shaped grooves arranged opposite. This technique ensures the formation of a hinge which, due to the molecular orientation obtained, locally strengthens the material by allowing it to flex but making it difficult to break. It is only after several rotational movements of the hinge and by exerting a traction on it that one succeeds in achieving the rupture.
- the present invention aims to remedy these drawbacks.
- the synthetic article it relates to obtained by thermoforming a sheet or by injection and comprising breaking lines each constituted by two opposite grooves, formed in the two faces of the sheet, is characterized in that one of the grooves has a profile general U-shape, while the opposite groove has a generally V-shaped profile.
- the angle by which the two parts of the article must be pivoted, in order to separate them from one another is advantageously less than 100 °.
- This arrangement of the grooves makes it possible to avoid the molecular orientation providing a hinge effect, which, combined with the leverage effect resulting from the support one on the other of the two edges delimiting the U-shaped groove, facilitates the rupture.
- each breaking line is turned towards the side of the cover, in the case of an article comprising cells opening into the plane of a sheet of synthetic material, in which are formed, between the cells, the rupture lines, all the cells being closed by a single cover fixed on the sheet.
- Another advantage of this process lies in the fact that after packaging of the product (s) in the different cells, and heat sealing of the closure seal, this seal can be pre-cut by scratching at the level of the U-shaped groove, so that that this operation does not affect the sheet of synthetic material in this area, which avoids all risks of incipient fractures parasites.
- the two wings of the V-groove form an angle less than or equal to 60 °
- the width of the bottom of the V-groove is less than 0.1 mm
- the width of the bottom of the U-shaped groove is greater than the width of the bottom of the V-shaped groove, the ratio between these two widths being of the order of two.
- the depth of the U-shaped groove is less than the depth of the V-shaped groove, the cumulative depth of the U-shaped and V-shaped grooves being proportional to the thickness of the sheet constituting the article.
- the U-shaped groove has a depth of the order of 0.15 mm
- the V-shaped groove has a depth of the order of 0.20 mm.
- FIG. 1 represents a package 2 obtained from a sheet of thermoformed synthetic material 3, to present an upper plane into which four cells open out. As shown in the drawing, these four cells can be separated from one another, to form four independent containers. For this purpose, there are provided in the upper plane of the sheet of synthetic material, two cross breaking lines, designated by the general reference 5.
- Each rupture line is constituted by a groove 6 opening into the upper face of the plate 3, and a groove 7 opening into the lower face of this same plate.
- the plastic sheet having in the embodiment shown in the drawing a thickness of 1 mm, the groove 6 has, for its part, a U-shaped section, with a width a of 0.2 mm, and a depth b of 0.15 mm.
- the groove 7, disposed opposite the groove 6, and opening into the other face of the plate, has a general shape of V, the walls of which form an angle of the order of 60 °, the bottom of this groove having a width c of 0.1 mm, and the depth of this groove d being equal to 0.2 mm.
- FIG. 2 shows in excess thickness with respect to the breaking line 5 two heat-sealing beads 8 for a closure sheet 9 constituted, for example, by an aluminum-based complex.
- this knife 10 if it ensures the precut of the sheet 9, absolutely does not reach the plate 3 of synthetic material, and therefore cannot produce incipient fractures at the level of the latter.
- Figures 4 and 5 show the separation between two parts of the article 2.
- the two parts to be separated are tilted, by pivoting them around the rupture line considered, this pivoting being done with the groove 6 located at inside the angle formed by the two parts of the article, and the groove 7 outside this same angle.
- the V shape of the groove 7 favors the tearing of the material between the two grooves, the two right angles 12 located on either side of the U-shaped groove 6, coming to bear against one another, during this pivoting movement, which avoids any risk of drift from the tear 13 which remains perfectly centered between the two grooves 6 and 7.
- the invention brings a great improvement to the existing technique, by providing an article produced from a thermoformed sheet or by injection, having perfectly marked breaking lines, obtained in a simple manner, using knives during the thermoforming operation.
- This double groove also has the advantage of avoiding any damage to the sheet of synthetic material by the tool for precutting the closure cap, since this tool penetrates inside the cap, at a groove.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closures For Containers (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Packages (AREA)
Description
La présente invention a pour objet un article en matière synthétique obtenu par thermoformage d'une feuille et comportant des lignes de rupture.The subject of the present invention is an article made of synthetic material obtained by thermoforming a sheet and comprising breaking lines.
L'article dont il s'agit peut, par exemple, être constitué par un récipient comportant plusieurs alvéoles avec ménagement de lignes de rupture entre les différentes alvéoles, afin de permettre de les séparer les unes des autres, pour utiliser de façon séparée le contenu de chaque alvéole. Une application particulière de ce type d'article concerne le conditionnement de produits alimentaires, tels que les yaourts, ou les crèmes dessert.The article in question may, for example, consist of a container comprising several cells with breaking lines between the various cells, in order to allow them to be separated from one another, to use the contents separately. of each cell. A particular application of this type of article relates to the packaging of food products, such as yogurts, or dessert creams.
De façon traditionnelle, il est connu de former des lignes de rupture prédéterminées en utilisant un couteau de prémarquage qui pénétre dans la feuille pendant l'opération de thermoformage. Ce procédé n'offre pas une très grande fiabilité, car il provoque très souvent des ruptures en dehors de la zone prémarquée, à proximité des parois de l'article. En outre, les récipients à plusieurs alvéoles, tels que définis précédemment, sont généralement fermés par un opercule unique en aluminium, ou complexe en matière synthétique, qui comporte des lignes griffées, en regard des lignes de rupture. Or, le ménagement des lignes de griffage se traduit par des amorces de rupture de la feuille de matière synthétique thermoformée, dans la mesure où la ligne de griffage n'est pas parfaitement centrée par rapport à la ligne de rupture. Dans ces conditions, la séparation de deux alvéoles devient aléatoire car tantôt c'est le prémarquage qui provoque la rupture, tantôt c'est la griffe plus ou moins profonde dans le plastique qui provoque cette rupture.Traditionally, it is known to form predetermined breaking lines using a pre-marking knife which penetrates into the sheet during the thermoforming operation. This process does not offer very high reliability, because it very often causes ruptures outside the premarked area, near the walls of the article. In addition, containers with several cells, as defined above, are generally closed by a single aluminum cover, or complex in synthetic material, which has scratched lines, opposite the rupture lines. However, the provision of the scratching lines results in incipient fractures of the sheet of thermoformed synthetic material, insofar as the scratching line is not perfectly centered relative to the breaking line. Under these conditions, the separation of two cells becomes random because sometimes it is the premarking which causes the rupture, sometimes it is the more or less deep claw in the plastic which causes this rupture.
Le document GB-A-976 398 concerne un dispositif de regroupement de récipients comportant une feuille de retenue des récipients présentant des lignes de rupture permettant de séparer certains récipients les uns des autres. Ces lignes de rupture sont constituées, par exemple, par deux rainures en V disposées en vis-à-vis. Cette technique assure la formation d'une charnière qui, en raison de l'orientation moléculaire obtenue, renforce localement la matière en lui permettant de fléchir mais en rendant sa cassure difficile. Ce n'est qu'après plusieurs mouvements de rotation de la charnière et en exerçant une traction sur celle-ci que l'on parvient à réaliser la rupture.Document GB-A-976 398 relates to a container grouping device comprising a container retaining sheet having breaking lines making it possible to separate certain containers from one another. These rupture lines are formed, for example, by two V-shaped grooves arranged opposite. This technique ensures the formation of a hinge which, due to the molecular orientation obtained, locally strengthens the material by allowing it to flex but making it difficult to break. It is only after several rotational movements of the hinge and by exerting a traction on it that one succeeds in achieving the rupture.
La présente invention vise à remédier à ces inconvénients.The present invention aims to remedy these drawbacks.
A cet effet, l'article en matière synthétique qu'elle concerne, obtenu par thermoformage d'une feuille ou par injection et comportant des lignes de rupture constituées chacune par deux rainures en vis-à-vis, ménagées dans les deux faces de la feuille, est caractérisé en ce que l'une des rainures possède un profil en forme générale de U, tandis que la rainure en vis-à-vis possède un profil en forme générale de V.To this end, the synthetic article it relates to, obtained by thermoforming a sheet or by injection and comprising breaking lines each constituted by two opposite grooves, formed in the two faces of the sheet, is characterized in that one of the grooves has a profile general U-shape, while the opposite groove has a generally V-shaped profile.
Ces deux rainures disposées en vis-à-vis assurent un marquage parfaitement précis de la ligne de rupture, assurant que la séparation entre deux parties d'un même article se fait bien selon une ligne de rupture prédéterminée. La séparation se fait par basculement des deux parties de l'article le long de la ligne de rupture, ce basculement se faisant avec la rainure en U située du côté de l'intérieur, et la rainure en V située du côté de l'extérieur de l'angle que l'on fait former aux deux parties de l'emballage. Il doit être noté qu'en fonction des dimensions données aux deux rainures, après une amorce de déchirure au niveau de la rainure en V, les deux angles droits disposés de part et d'autre de la rainure en U viennent prendre appui l'un contre l'autre, et par un effet de levier assurent la rupture entre les deux parties de l'article, suivant la ligne prémarquée, sans possibilité de dérive.These two grooves arranged facing each other ensure perfectly precise marking of the breaking line, ensuring that the separation between two parts of the same article is done well along a predetermined breaking line. The separation is done by tilting the two parts of the article along the rupture line, this tilting being done with the U-shaped groove located on the inside side, and the V-shaped groove located on the outside side the angle that is made to form the two parts of the package. It should be noted that according to the dimensions given to the two grooves, after a tear initiation at the level of the V-groove, the two right angles arranged on either side of the U-groove come to bear one against the other, and by a leverage effect ensure the rupture between the two parts of the article, along the pre-marked line, without possibility of drift.
L'angle dont il faut faire pivoter les deux parties de l'article, pour les séparer l'une de l'autre, est avantageusement inférieur à 100°. Cet agencement des rainures permet d'éviter l'orientation moléculaire fournissant un effet charnière, ce qui, combiné à l'effet de levier résultant de l'appui l'une sur l'autre des deux arêtes délimitant la rainure en U, facilite la rupture. Il en résulte qu'il est possible d'utiliser des matières ayant une résistance accrue aux chocs et, par suite, de limiter l'épaisseur de la matière utilisée, ce qui limite l'effort à exercer pour parvenir à la rupture.The angle by which the two parts of the article must be pivoted, in order to separate them from one another, is advantageously less than 100 °. This arrangement of the grooves makes it possible to avoid the molecular orientation providing a hinge effect, which, combined with the leverage effect resulting from the support one on the other of the two edges delimiting the U-shaped groove, facilitates the rupture. As a result, it is possible to use materials having increased impact resistance and, consequently, to limit the thickness of the material used, which limits the effort to be exerted in order to achieve rupture.
La rainure en U de chaque ligne de rupture est tournée du côté de l'opercule, dans le cas d'un article comportant des alvéoles débouchant dans le plan d'une feuille de matière synthétique, dans laquelle sont ménagées, entre les alvéoles, les lignes de rupture, toutes les alvéoles étant fermées par un opercule unique fixé sur la feuille.The U-shaped groove of each breaking line is turned towards the side of the cover, in the case of an article comprising cells opening into the plane of a sheet of synthetic material, in which are formed, between the cells, the rupture lines, all the cells being closed by a single cover fixed on the sheet.
Un autre avantage de ce procédé réside dans le fait qu'après conditionnement du ou des produits dans les différentes alvéoles, et thermoscellage de l'opercule de fermeture, cet opercule peut être prédécoupé par griffage au niveau de la rainure en U, de telle sorte que cette opération ne porte nullement atteinte à la feuille de matière synthétique dans cette zone, ce qui évite tous risques d'amorces de rupture parasites.Another advantage of this process lies in the fact that after packaging of the product (s) in the different cells, and heat sealing of the closure seal, this seal can be pre-cut by scratching at the level of the U-shaped groove, so that that this operation does not affect the sheet of synthetic material in this area, which avoids all risks of incipient fractures parasites.
Selon d'autres caractéristiques de l'invention, données ci-après à titre d'exemples, les deux ailes de la rainure en V forment un angle inférieur ou égal à 60°, la largeur du fond de la rainure en V est inférieure à 0,1 mm, la largeur du fond de la rainure en U est supérieure à la largeur du fond de la rainure en V, le rapport entre ces deux largeurs étant de l'ordre de deux.According to other characteristics of the invention, given below by way of example, the two wings of the V-groove form an angle less than or equal to 60 °, the width of the bottom of the V-groove is less than 0.1 mm, the width of the bottom of the U-shaped groove is greater than the width of the bottom of the V-shaped groove, the ratio between these two widths being of the order of two.
En outre, la profondeur de la rainure en U est inférieure à la profondeur de la rainure en V, la profondeur cumulée des rainures en U et en V étant proportionnelle à l'épaisseur de la feuille constitutive de l'article. C'est ainsi que pour une feuille d'une épaisseur de l'ordre de 1 mm, la rainure en U possède une profondeur de l'ordre de 0,15 mm, et la rainure en V possède une profondeur de l'ordre de 0,20 mm.In addition, the depth of the U-shaped groove is less than the depth of the V-shaped groove, the cumulative depth of the U-shaped and V-shaped grooves being proportional to the thickness of the sheet constituting the article. Thus, for a sheet with a thickness of the order of 1 mm, the U-shaped groove has a depth of the order of 0.15 mm, and the V-shaped groove has a depth of the order of 0.20 mm.
De toute façon, l'invention sera bien comprise à l'aide de la description qui suit, en référence au dessin schématique annexé représentant, à titre d'exemple non limitatif, une forme d'exécution de cet article :
- Figure 1 est une vue en perspective d'un article constitué par un emballage, par exemple pour yaourts, comportant quatre alvéoles ;
- Figure 2 est une vue partielle de cet article, en coupe selon la ligne II-II de figure 1 ;
- Figure 3 est une vue partielle de figure 2, le long de la rainure supérieure, après operculage au cours de l'opération de griffage de cet opercule ;
- Figure 4 est une vue partielle de côté, au cours du mouvement de séparation de l'article en deux parties ;
- Figure 5 est une vue en coupe et à échelle agrandie de la ligne de rupture au cours de son mouvement de déchirure.
- Figure 1 is a perspective view of an article consisting of a package, for example for yogurts, comprising four cells;
- Figure 2 is a partial view of this article, in section along the line II-II of Figure 1;
- Figure 3 is a partial view of Figure 2, along the upper groove, after sealing during the scratching operation of this seal;
- Figure 4 is a partial side view, during the movement of separation of the article into two parts;
- Figure 5 is a sectional view on an enlarged scale of the rupture line during its tearing movement.
La figure 1 représente un emballage 2 obtenu à partir d'une feuille de matière synthétique 3 thermoformée, pour présenter un plan supérieur dans lequel débouchent quatre alvéoles 4. Comme montré au dessin, ces quatre alvéoles peuvent être séparées les unes des autres, pour former quatre récipients indépendants. A cet effet, il est prévu dans le plan supérieur de la feuille de matière synthétique, deux lignes de rupture en croix, désignées par la référence générale 5.FIG. 1 represents a package 2 obtained from a sheet of thermoformed synthetic material 3, to present an upper plane into which four cells open out. As shown in the drawing, these four cells can be separated from one another, to form four independent containers. For this purpose, there are provided in the upper plane of the sheet of synthetic material, two cross breaking lines, designated by the
Chaque ligne de rupture est constituée par une rainure 6 débouchant dans la face supérieure de la plaque 3, et une rainure 7 débouchant dans la face inférieure de cette même plaque. La plaque de matière synthétique possèdant dans la forme d'exécution représentée au dessin une épaisseur de 1 mm, la rainure 6 possède, pour sa part, une section en U, avec une largeur a de 0,2 mm, et une profondeur b de 0,15 mm.Each rupture line is constituted by a
Pour sa part, la rainure 7, disposée en vis-à-vis de la rainure 6, et débouchant dans l'autre face de la plaque, possède une forme générale de V, dont les parois forment un angle de l'ordre de 60°, le fond de cette rainure possèdant une largeur c de 0,1 mm, et la profondeur de cette rainure d étant égale à 0,2 mm.For its part, the groove 7, disposed opposite the
La figure 2, représente en surépaisseur par rapport à la ligne de rupture 5 deux cordons 8 de thermoscellage pour une feuille 9 de fermeture constituée, par exemple, par un complexe à base d'aluminium.FIG. 2 shows in excess thickness with respect to the
Comme montré à la figure 3, après remplissage des alvéoles, et operculage par la feuille 9, il est procédé au griffage de cette feuille 9 au niveau des lignes de rupture 5 à l'aide d'un couteau 10. Comme représenté au dessin, ce couteau 10, s'il assure la prédécoupe de la feuille 9, n'atteint absolument pas la plaque 3 de matière synthétique, et ne peut donc produire d'amorces de rupture au niveau de cette dernière.As shown in FIG. 3, after filling the cells, and sealing with the sheet 9, the sheet 9 is scratched at the
Les figures 4 et 5 représentent la séparation entre deux parties de l'article 2. Il est procédé au basculement des deux parties à séparer, en les faisant pivoter autour de la ligne de rupture considérée, ce pivotement se faisant avec la rainure 6 située à l'intérieur de l'angle formé par les deux parties de l'article, et la rainure 7 à l'extérieur de ce même angle. La forme en V de la rainure 7 favorise la déchirure de la matière comprise entre les deux rainures, les deux angles droits 12 situés de part et d'autre de la rainure en U 6, venant prendre appui l'un contre l'autre, au cours de ce mouvement de pivotement, ce qui évite tous risques de dérive de la déchirure 13 qui demeure parfaitement centrée entre les deux rainures 6 et 7.Figures 4 and 5 show the separation between two parts of the article 2. The two parts to be separated are tilted, by pivoting them around the rupture line considered, this pivoting being done with the
Comme il ressort de ce qui précède, l'invention apporte une grande amélioration à la technique existante, en fournissant un article réalisé à partir d'une feuille thermorformée ou par injection, possèdant des lignes de rupture parfaitement marquées, obtenues de façon simple, à l'aide de couteaux, lors de l'opération de thermoformage. Cette double rainure présente également l'avantage d'éviter toute atteinte de la feuille de matière synthétique par l'outil de prédécoupe de l'opercule de fermeture, puisque cet outil pénétre à l'intérieur de l'opercule, au niveau d'une rainure.As is apparent from the above, the invention brings a great improvement to the existing technique, by providing an article produced from a thermoformed sheet or by injection, having perfectly marked breaking lines, obtained in a simple manner, using knives during the thermoforming operation. This double groove also has the advantage of avoiding any damage to the sheet of synthetic material by the tool for precutting the closure cap, since this tool penetrates inside the cap, at a groove.
Comme il va de soi, l'invention ne se limite pas à la seule forme d'exécution de cet article, ni à sa seule application décrites ci-dessus à titre d'exemples, elle en embrasse au contraire toutes les variantes de réalisation comprises dans l'étendu des revendications.It goes without saying that the invention is not limited to the sole embodiment of this article, nor to its sole application described above by way of on the contrary, it embraces all the variant embodiments included in the scope of the claims.
C'est ainsi notamment que les dimensions des rainures qui ont été données ci-dessus à titre d'exemples pourraient être différentes, sans que l'on sorte pour autant du cadre de l'invention.Thus, in particular, the dimensions of the grooves which have been given above by way of examples could be different, without however departing from the scope of the invention.
Claims (9)
- Article made of synthetic material, obtained by the thermoforming of a sheet or by injection and having breakage lines (5) each formed by two grooves opposite each other and formed in the two faces of the sheet, characterised in that one (6) of the grooves has a profile of overall U shape, whilst the groove (7) opposite it has a profile of overall V shape.
- Article according to Claim 1, having cells (4) opening out in the plane of a sheet (3) made of synthetic material, in which are formed, between the cells, the breakage lines (5), all the cells being closed off by a single cap (9) fixed to the sheet (3), characterised in that the U-shaped groove (6) of each breakage line (5) is oriented towards the cap (9).
- Article according to either one of Claims 1 and 2, characterised in that the two sides of the V-shaped groove (7) form an angle less than or equal to 60°.
- Article according to any one of Claims 1 to 3, characterised in that the width (c) of the bottom of the V-shaped groove (7) is less than 0.1 mm.
- Article according to Claim 2, characterised in that the width (a) of the bottom of the U-shaped groove (6) is greater than the width (c) of the bottom of the V-shaped groove (7).
- Article according to Claim 5, characterised in that the width (a) of the bottom of the U-shaped groove (6) is substantially equal to double the width (c) of the the bottom of the V-shaped groove (7).
- Article according to Claims 1 and 2, characterised in that the depth (b) of the U-shaped groove (6) is less than the depth (d) of the V-shaped groove (7).
- Article according to either one of Claims 6 and 7, characterised in that the combined depth of the U- (6) and V- (7) shaped grooves is proportional to the thickness (e) of the sheet (3) making up the article.
- Article according to any one of Claims 6 to 8, characterised in that, for a panel or an edge of an article (3) with a thickness of 1 mm, the U-shaped groove (6) has a depth (b) of approximately 0.15 mm and the V-shaped groove (7) has a depth (d) of approximately 0.20 mm.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9111179A FR2681051B1 (en) | 1991-09-05 | 1991-09-05 | ARTICLE OF SYNTHETIC MATERIAL, OBTAINED BY THERMOFORMING OF A SHEET AND COMPRISING BREAKAGE LINES. |
| FR9111179 | 1991-09-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0531239A1 EP0531239A1 (en) | 1993-03-10 |
| EP0531239B1 true EP0531239B1 (en) | 1995-04-19 |
Family
ID=9416815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP19920420292 Expired - Lifetime EP0531239B1 (en) | 1991-09-05 | 1992-09-04 | Plastic article obtained from a thermoformed sheet with breaking lines |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0531239B1 (en) |
| DE (1) | DE69202127T2 (en) |
| ES (1) | ES2071466T3 (en) |
| FR (1) | FR2681051B1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2015134227A (en) * | 2015-08-14 | 2017-02-20 | Виталий Дмитриевич Горчаков | FOOD STORAGE PACKAGING AND FOOD STORAGE METHOD |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3038602A (en) * | 1959-12-10 | 1962-06-12 | Illinois Tool Works | Container carrier |
| FR2291111A1 (en) * | 1974-11-12 | 1976-06-11 | Remy & Cie E P | Plastic tubs for food - have plastic or foil cover, and sit in holes in board |
-
1991
- 1991-09-05 FR FR9111179A patent/FR2681051B1/en not_active Expired - Fee Related
-
1992
- 1992-09-04 DE DE1992602127 patent/DE69202127T2/en not_active Expired - Fee Related
- 1992-09-04 EP EP19920420292 patent/EP0531239B1/en not_active Expired - Lifetime
- 1992-09-04 ES ES92420292T patent/ES2071466T3/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP0531239A1 (en) | 1993-03-10 |
| DE69202127D1 (en) | 1995-05-24 |
| DE69202127T2 (en) | 1995-08-31 |
| FR2681051A1 (en) | 1993-03-12 |
| FR2681051B1 (en) | 1995-01-20 |
| ES2071466T3 (en) | 1995-06-16 |
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