EP0990596A1 - Polyolefin film for making a package by folding - Google Patents
Polyolefin film for making a package by folding Download PDFInfo
- Publication number
- EP0990596A1 EP0990596A1 EP99420203A EP99420203A EP0990596A1 EP 0990596 A1 EP0990596 A1 EP 0990596A1 EP 99420203 A EP99420203 A EP 99420203A EP 99420203 A EP99420203 A EP 99420203A EP 0990596 A1 EP0990596 A1 EP 0990596A1
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- Prior art keywords
- film
- sealing
- folding
- heat
- product
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- 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.)
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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
- B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
- B65D65/02—Wrappers or flexible covers
- B65D65/14—Wrappers or flexible covers with areas coated with adhesive
Definitions
- the invention relates to flexible films used in the packaging of solid portions or semi-solid by folding.
- packaged solid or semi-solid portions in flexible films mention may be made of food products such as broths KUB ®.
- a complex film successively consisting of a thin sheet of aluminum printed color and / or with a heat-sealing lacquer on the outside, said lacquer being applied by area or flat over the entire surface, from a layer of wax to center, and a layer of tissue paper inside, or in condensed designation: Al / wax / paper.
- low-temperature heat-sealing product products whose sealing function is activated and carried out at relatively low temperatures which can range from 60 ° C. to 110 ° C., in contrast to conventional heat-sealing products activated at higher temperatures, and as opposed to products operating at room temperature (called “cold-seals”).
- These low temperature heat seal products are typically resins or mixtures of resins based on EVA, PVC copolymers or acrylics.
- the film according to the invention has a much better resistance to risks of perforation than traditional film based on thin aluminum foil, and this by better mechanical resistance to drilling than by better resistance to corrosion.
- the invention uses the memory effect to facilitate the unfolding of said block by the end consumer.
- the films according to the invention do not exhibit any risk of migration of products to packaged foods, and therefore eliminate the risk of wax migration which can take place with a structure based on Alu / wax / muslin.
- the films according to the invention are significantly more economical than films according to the state of the art.
- Figure 1 is a top view of the outer face of a portion of film (1) intended to form a packaging of a rigid or semi-rigid parallelepipedal block having a rectangular base of 34mm x 24mm, and 12 mm height.
- the four marked areas (20) of a layer of low temperature heat-sealing product, hatched vertically, correspond to the formation, by folding, of the four side walls of the package to be formed.
- Each of the four areas (20) comprises two parts (201, 202) which, after folding along the lines (203), are opposite and adhere to each other, thus fixing the side walls of the package to be formed .
- the four marked areas (21) of layer of low temperature heat seal product, hatched horizontally, correspond to the formation, by folding, of the upper wall of the package to be formed.
- Each of the four areas (21) comprises two parts (211, 212) which, after folding along the lines (213), are opposite and adhere to each other, thus fixing the upper wall of the package to be formed
- On the film portion (1) is carried an arrow (6) indicating the direction of unwinding of the film on the reel, and a marking spot (3) intended for cutting said film into portions (1) of film.
- said film is such that at least the part of the inner face of the last ply of said fold comprises an internal layer of a heat-sealing product, so as to improve the closing of the last ply by final sealing of said inside face of the last ply and of the corresponding part of outside face of said film, comprising or not a layer of said low temperature heat-sealing product.
- This improvement may consist in forming a last waterproof fold.
- This modality is intended to increase, when this is made necessary in particular by local climatic conditions, the sealing of the packaging formed, the sealing of beaches (20, 21) ensuring only that the packaging formed is not likely to unfold.
- said inner layer can be identified, so as to be correctly positioned on the part of the film forming said last ply.
- said internal heat-sealing layer typically comprises commercial products, typically in the form of coatings based on acrylic products, PVDC, heat-sealing varnish, in the form of a flat or marked coating, said internal layer being able to adhere to said product.
- low temperature heat sealing deposited on said outer face. Said internal layer does not stick, when cold, to said low-temperature heat-sealing product, so that there is no bonding between turns of the film on reel.
- said marking of said layer of said low-temperature heat-sealing product can be chosen as a function of said folding, so that, during said folding, all or part of a marked range (201,211) is bringing into contact, respectively, of all or part of another marked area (202,212) or possibly of the inner face of the film, said inner face being, by itself or thanks to said inner layer, suitable for sealing with said product heat sealing, so that, after folding said block, there remains no low temperature heat sealing product which is outside the package.
- the identified areas (20,21) are made up of half-areas (201,302,211,212) which are compared by folding around fold lines (203,213).
- said polyolefin-based film is preferably chosen from PP, OPP, metallized OPP, multilayer OPP-based films, coated OPP films, expanded OPP to pearlescent appearance and HDPE.
- these films or the films according to the invention may comprise a barrier layer, typically an oxygen barrier, typically chosen from EVOH or PVDC.
- Another object of the invention consists of the use of a film according to the invention for packaging food products in the form of rigid blocks or semi-rigid, typically cubic or parallelepipedic.
- the films according to the invention constitute a solution to all of the problems raised previously mentioned.
- these films have been found to have very good machinability - or ease of use on an industrial packaging line, in particular it has been observed that, no doubt thanks to the choice of said low temperature heat-sealing product, said film does not had no tendency to adhere to the said folding boxes as could happen with other films tested by the applicant.
Abstract
Description
L'invention concerne les films flexibles utilisés dans l'emballage de portions solides ou semi-solides par pliage. A titre d'exemple de portions solides ou semi-solides emballées dans des films flexibles, on peut citer des produits alimentaires tels que les bouillons KUB ®.The invention relates to flexible films used in the packaging of solid portions or semi-solid by folding. As an example of packaged solid or semi-solid portions in flexible films, mention may be made of food products such as broths KUB ®.
Pour l'emballage typique de produits alimentaires tels que les bouillons KUB ®, on utilise généralement un film complexe successivement constitué d'une feuille mince d'aluminium imprimé couleur et/ou avec une laque thermoscellante à l'extérieur, ladite laque étant appliquée par zone ou en aplat sur toute la surface, d'une couche de cire au centre, et d'une couche de papier mousseline à l'intérieur, ou en désignation condensée : Al/cire/papier.For typical packaging of food products such as KUB ® broths, generally uses a complex film successively consisting of a thin sheet of aluminum printed color and / or with a heat-sealing lacquer on the outside, said lacquer being applied by area or flat over the entire surface, from a layer of wax to center, and a layer of tissue paper inside, or in condensed designation: Al / wax / paper.
Le conditionnement de blocs de bouillon KUB ® s'effectue de la manière suivante, sur
machine automatique :
Les problèmes posés par le film d'emballage traditionnel sont de quatre ordres
- d'une part, il a été observé que les films traditionnels conduisaient à des perces, en particulier aux coins desdits blocs, peut-être à la fois par l'action mécanique des coins desdits blocs sur ledit film, et éventuellement par l'action corrosive de grains de sel dudit bloc dans le cas de bouillons KUB ®,
- d'autre part, le bloc emballé collé est relativement difficile à ouvrir,
- en outre, l'emploi de cire peut entraíner un risque de migration dans le produit conditionné,
- enfin, le film traditionnel est d'un coût relativement élevé.
- on the one hand, it has been observed that traditional films lead to drilling, in particular at the corners of said blocks, perhaps both by the mechanical action of the corners of said blocks on said film, and possibly by the action corrosive of grains of salt of said block in the case of KUB® broths,
- on the other hand, the glued pack is relatively difficult to open,
- in addition, the use of wax may cause a risk of migration into the packaged product,
- finally, traditional film is relatively expensive.
Selon l'invention, le film pour emballages de blocs rigides ou semi-rigides constitués de
parois formées par pliage de portions dudit film sur lesdits blocs et thermoscellage
subséquent, est caractérisé en ce que,
En outre, comme cela est connu de l'homme du métier, la formation de plages repérées d'un produit virtuellement incolore nécessite l'impression d'un spot, pour régler le pas de la machine de conditionnement qui doit découper ledit film en portions de film, chaque portion étant destinée à emballer chaque dit bloc rigide.In addition, as is known to those skilled in the art, the formation of marked areas of a virtually colorless product requires the printing of a spot, to adjust the pitch of the packaging machine which has to cut said film into film portions, each portion being intended to package each said rigid block.
Par produit de thermoscellage à basse température, on entend des produits dont la
fonction de scellage est activée et réalisée à des température relativement basses pouvant
aller de 60°C à 110°C, par opposition aux produits de thermoscellage classiques activés
à des températures supérieures, et par opposition aux produits fonctionnant à
température ambiante (dits « cold-seals »).
Ces produits de thermoscellage à basse température sont typiquement des résines ou
mélanges de résines à base d'EVA, de copolymères de PVC ou d'acryliques.By low-temperature heat-sealing product is meant products whose sealing function is activated and carried out at relatively low temperatures which can range from 60 ° C. to 110 ° C., in contrast to conventional heat-sealing products activated at higher temperatures, and as opposed to products operating at room temperature (called “cold-seals”).
These low temperature heat seal products are typically resins or mixtures of resins based on EVA, PVC copolymers or acrylics.
L'invention nécessite la combinaison des moyens décrits précédemment :
- un film à base de polyoléfine peut être choisi parce que, d'une part il possédera les
caractéristiques mécaniques suffisantes et il constituera le plus souvent une barrière
suffisante à l'humidité pour le produit à conditionner, et d'autre part son coût est
relativement bas.
S'il était exigé du film selon l'invention une faible perméabilité à l'oxygène, ledit film à base de polyoléfine pourrait, de manière connue, soit être métallisé, soit être couché d'une enduction barrière comme par exemple de l'EVOH, soit être remplacé par un film multicouche comprenant une couche de matériau à propriétés barrières, tel que les copolymères de chlorure de vinylidène (PVDC) ou les EVOH. - la couche de produit de thermoscellage à basse température permet, lors de l'emballage dudit bloc emballé plié qui circule entre des rails chauffants assurant le thermoscellage des couches en regard comprenant dudit produit de thermoscellage à basse température, de garantir le scellage desdites couches en regard sans courir le risque d'endommager, par une température excessive, ni ledit film, ni l'aliment contenu dudit emballage.
- a polyolefin-based film can be chosen because, on the one hand it will have sufficient mechanical characteristics and it will most often constitute a sufficient barrier to humidity for the product to be packaged, and on the other hand its cost is relatively low.
If the film according to the invention were required to have a low oxygen permeability, said polyolefin-based film could, in known manner, either be metallized or be coated with a barrier coating such as for example EVOH , or be replaced by a multilayer film comprising a layer of material with barrier properties, such as vinylidene chloride copolymers (PVDC) or EVOH. - the layer of low-temperature heat-sealing product makes it possible, during the packaging of said folded packaged block which circulates between heating rails ensuring the heat-sealing of the facing layers comprising said low-temperature heat-sealing product, to guarantee the sealing of said facing layers without running the risk of damaging, by excessive temperature, either said film or the food contained in said packaging.
Grâce à cette combinaison de moyens, il a été possible de résoudre l'ensemble des problèmes posés. En effet, le film selon l'invention présente une bien meilleure tenue aux risques de perces que le film traditionnel à base de feuille mince d'aluminium, et cela tant par la meilleure résistance mécanique aux perces que par la meilleure tenue à la corrosion. En outre, l'invention, utilise l'effet mémoire pour faciliter le dépliage dudit bloc par le consommateur final. Thanks to this combination of means, it was possible to resolve all of the problems raised. Indeed, the film according to the invention has a much better resistance to risks of perforation than traditional film based on thin aluminum foil, and this by better mechanical resistance to drilling than by better resistance to corrosion. In addition, the invention uses the memory effect to facilitate the unfolding of said block by the end consumer.
Par leur nature, les film selon l'invention ne présentent pas de nsques de migration de produits vers les aliments emballés, et suppriment donc les risques de migration de la cire qui peuvent avoir lieu avec une structure sur base de Alu/cire/mousseline.By their nature, the films according to the invention do not exhibit any risk of migration of products to packaged foods, and therefore eliminate the risk of wax migration which can take place with a structure based on Alu / wax / muslin.
Enfin, compte tenu du coût relativement faible des films de polyoléfines comparé au coût des feuilles minces d'aluminium, les films selon l'invention sont nettement plus économiques que les films selon l'état de la technique.Finally, given the relatively low cost of polyolefin films compared to the cost thin aluminum sheets, the films according to the invention are significantly more economical than films according to the state of the art.
La figure 1 est une vue de dessus de la face extérieure d'une portion de film (1) destinée
à former un emballage d'un bloc rigide ou semi-rigide parallélépipédique ayant une base
rectangulaire de 34mm x 24mm, et de 12 mm de hauteur.
Les quatre plages repérées (20) d'une couche de produit de thermoscellage à basse
température, hachurées verticalement, correspondent à la formation, par pliage, des
quatre parois latérales de l'emballage à former.
Chacune des quatre plages (20) comprend deux parties (201, 202) qui, après pliage selon
les lignes (203), sont en regard et adhérent l'une à l'autre, fixant ainsi les parois latérales
de l'emballage a former.
Les quatre plages repérées (21) de couche de produit de thermoscellage à basse
température, hachurées horizontalement, correspondent à la formation, par pliage, de la
paroi supérieure de l'emballage à former.
Chacune des quatre plages (21) comprend deux parties (211, 212) qui, après pliage selon
les lignes (213), sont en regard et adhérent l'une à l'autre, fixant ainsi la paroi supérieure
de l'emballage à former
Sur la portion de film (1) est porté une flèche (6) indiquant le sens de déroulement du
film en bobine, et un spot de repérage (3) destiné au découpage dudit film en portions (1)
de film. Figure 1 is a top view of the outer face of a portion of film (1) intended to form a packaging of a rigid or semi-rigid parallelepipedal block having a rectangular base of 34mm x 24mm, and 12 mm height.
The four marked areas (20) of a layer of low temperature heat-sealing product, hatched vertically, correspond to the formation, by folding, of the four side walls of the package to be formed.
Each of the four areas (20) comprises two parts (201, 202) which, after folding along the lines (203), are opposite and adhere to each other, thus fixing the side walls of the package to be formed .
The four marked areas (21) of layer of low temperature heat seal product, hatched horizontally, correspond to the formation, by folding, of the upper wall of the package to be formed.
Each of the four areas (21) comprises two parts (211, 212) which, after folding along the lines (213), are opposite and adhere to each other, thus fixing the upper wall of the package to be formed
On the film portion (1) is carried an arrow (6) indicating the direction of unwinding of the film on the reel, and a marking spot (3) intended for cutting said film into portions (1) of film.
Selon une modalité de l'invention, ledit film est tel qu'au moins la partie de la face
intérieure du dernier pli dudit pliage comprenne une couche interne d'un produit de
thermoscellage, de manière à améliorer la fermeture du dernier pli par scellage final de
ladite face intérieure du dernier pli et de la partie correspondante de face extérieure
dudit film, comprenant ou non une couche dudit produit de thermoscellage à basse
température.
Cette amélioration peut consister à former un dernier pli étanche Cette modalité est
destinée à augmenter, quand cela est rendu nécessaire notamment par les conditions
climatiques locales, l'étanchéité de l'emballage formé, le scellage de plages (20,21)
assurant seulement que l'emballage formé ne risque pas de se déplier.
Typiquement, ladite couche interne peut être repérée, de manière à être correctement
positionnée sur la partie du film formant ledit dernier pli.According to one embodiment of the invention, said film is such that at least the part of the inner face of the last ply of said fold comprises an internal layer of a heat-sealing product, so as to improve the closing of the last ply by final sealing of said inside face of the last ply and of the corresponding part of outside face of said film, comprising or not a layer of said low temperature heat-sealing product.
This improvement may consist in forming a last waterproof fold. This modality is intended to increase, when this is made necessary in particular by local climatic conditions, the sealing of the packaging formed, the sealing of beaches (20, 21) ensuring only that the packaging formed is not likely to unfold.
Typically, said inner layer can be identified, so as to be correctly positioned on the part of the film forming said last ply.
Ainsi, ladite couche interne de thermoscellage comprend typiquement des produits du
commerce, typiquement sous forme d'enductions à base de produits acryliques, PVDC,
de vernis thermoscellant, sous forme d'enduction à plat ou repérée, ladite couche interne
pouvant adhérer audit produit de thermoscellage à basse température déposé sur ladite
face extérieure.
Ladite couche interne ne colle pas, à froid, audit produit de thermoscellage à basse
température, de manière à ce qu'il n'y ait pas de collage entre spires du film en bobine.
Toutefois, il est possible aussi selon l'invention, d'avoir ladite couche interne repérée et
positionnée sur la bande centrale dudit film - bande de 8 mm de largeur sur la figure 1,
de manière à ne pas pouvoir être en regard avec les plages repérées (20,21) dudit produit
de thermoscellage à basse température.Thus, said internal heat-sealing layer typically comprises commercial products, typically in the form of coatings based on acrylic products, PVDC, heat-sealing varnish, in the form of a flat or marked coating, said internal layer being able to adhere to said product. low temperature heat sealing deposited on said outer face.
Said internal layer does not stick, when cold, to said low-temperature heat-sealing product, so that there is no bonding between turns of the film on reel. However, it is also possible according to the invention, to have said internal layer identified and positioned on the central strip of said film - strip 8 mm wide in FIG. 1, so that it cannot be opposite the tracks identified (20,21) of said low temperature heat seal product.
Dans le film selon l'invention, ledit repérage de ladite couche dudit produit de
thermoscellage à basse température peut être choisi en fonction dudit pliage, de manière
à ce que, lors dudit pliage, toute ou partie d'une plage repérée (201,211) soit mise au
contact, respectivement, de tout ou partie d'une autre plage repérée (202,212) ou
éventuellement de la face intérieure du film, ladite face intérieure étant, par elle-même ou
grâce à ladite couche interne, apte au scellage avec ledit produit de thermoscellage, de
manière à ce que, après pliage dudit bloc, ne subsiste pas de produit de thermoscellage à
basse température qui soit à l'extérieur de l'emballage.
Dans le cas de l'exemple représenté par la figure 1, les plages repérées (20,21) sont
constituées de demi-plages (201,302,211,212) qui sont mises en regard par pliage autour
de lignes de pliage (203,213). Ainsi, dans ce cas, non seulement ledit produit de
thermoscellage n'apparaít pas à l'extérieur de l'emballage, mais encore il n'y a plus de
surface libre recouverte d'une couche dudit produit de thermoscellage, ce qui est
avantageux sur le plan de la sécurité de l'emballage, les risques de contact accidentel
entre ledit produit de thermoscellage et le produit alimentaire étant ainsi impossibles.In the film according to the invention, said marking of said layer of said low-temperature heat-sealing product can be chosen as a function of said folding, so that, during said folding, all or part of a marked range (201,211) is bringing into contact, respectively, of all or part of another marked area (202,212) or possibly of the inner face of the film, said inner face being, by itself or thanks to said inner layer, suitable for sealing with said product heat sealing, so that, after folding said block, there remains no low temperature heat sealing product which is outside the package.
In the case of the example shown in Figure 1, the identified areas (20,21) are made up of half-areas (201,302,211,212) which are compared by folding around fold lines (203,213). Thus, in this case, not only does said heat-seal product not appear on the outside of the package, but also there is no longer any free surface covered with a layer of said heat-seal product, which is advantageous in terms of packaging security, the risk of accidental contact between said heat-sealing product and the food product being thus impossible.
Selon l'invention, ledit film à base de polyoléfine est choisi, de préférence, parmi le PP,
l'OPP, l'OPP métallisé, les films multicouche à base d'OPP, les films d'OPP enduits, les
OPP expansés à aspect nacré et les HDPE.
Comme déjà mentionné, ces films ou les films selon l'invention peuvent comprendre une
couche barrière, typiquement une barrière à l'oxygène, choisie typiquement parmi
l'EVOH ou le PVDC.According to the invention, said polyolefin-based film is preferably chosen from PP, OPP, metallized OPP, multilayer OPP-based films, coated OPP films, expanded OPP to pearlescent appearance and HDPE.
As already mentioned, these films or the films according to the invention may comprise a barrier layer, typically an oxygen barrier, typically chosen from EVOH or PVDC.
Un autre objet de l'invention est constitué par l'utilisation d'un film selon l'invention pour l'emballage de produits alimentaires se présentant sous forme de blocs rigides ou semi-rigides, typiquement de forme cubique ou parallélépipédique.Another object of the invention consists of the use of a film according to the invention for packaging food products in the form of rigid blocks or semi-rigid, typically cubic or parallelepipedic.
On a fabriqué un film dont une portion (1) est représentée sur la figure 1
On a utilisé un film OPP de 38 µm d'épaisseur
Sur sa face extérieure, on a déposé, de manière repérée et selon les plages (20,21) de la
figure 1, un grammage de 3 g/m2 d'un vernis de thermoscellant à basse température du
commerce (vernis à base d'EVA).We made a film of which a portion (1) is shown in Figure 1
A 38 µm thick OPP film was used
On its outer face, a weight of 3 g / m 2 of a commercial low-temperature heat-sealing varnish (varnish based on d) was deposited, in a marked manner and according to the ranges (20, 21) of FIG. 1 'EVA).
On a utilisé ce film pour emballer des blocs de bouillon KUB ® sur une machine standard
munie de boítes de pliage.
On n'a pas observé de problèmes particuliers lors de l'emballage de ces blocs, qui ont été
ensuite mis sous cartonnette .
Durant le transport et le stockage, il n'a pas été observé de perce dudit film.
L'ouverture finale, par le consommateur, s'est avérée plus aisée que celle des emballages
selon l'état de la technique, le film à base de polyoléfine ayant tendance, une fois rompus
les liens entre les faces scellées, à reprendre sa forme plane initiale.We used this film to wrap KUB ® broth blocks on a standard machine with folding boxes.
No particular problems were observed during the packaging of these blocks, which were then placed in cardboard.
During transport and storage, no perforation of the said film was observed.
The final opening by the consumer has proved easier than that of the packaging according to the prior art, the polyolefin-based film having a tendency, once the links between the sealed sides have broken, to return to its shape initial plane.
Les films selon l'invention constituent une solution à l'ensemble des problèmes posés
mentionnés précédemment.
En outre, ces films se sont révélés présenter une très bonne machinabilité - ou facilité
d'utilisation sur ligne de conditionnement industrielle, en particulier il a été observé que,
sans doute grâce au choix dudit produit de thermoscellage à basse température, ledit film
n'avait pas de tendance à adhérer aux dites boítes de pliage comme cela pouvait arriver
avec d'autres films testés par la demanderesse.The films according to the invention constitute a solution to all of the problems raised previously mentioned.
In addition, these films have been found to have very good machinability - or ease of use on an industrial packaging line, in particular it has been observed that, no doubt thanks to the choice of said low temperature heat-sealing product, said film does not had no tendency to adhere to the said folding boxes as could happen with other films tested by the applicant.
Claims (6)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9812581 | 1998-10-02 | ||
FR9812581A FR2784079B1 (en) | 1998-10-02 | 1998-10-02 | POLYOLEFIN-BASED FILM FOR FORMING A FOLDING PACKAGE |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0990596A1 true EP0990596A1 (en) | 2000-04-05 |
EP0990596B1 EP0990596B1 (en) | 2004-06-23 |
Family
ID=9531314
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19990420203 Expired - Lifetime EP0990596B1 (en) | 1998-10-02 | 1999-10-01 | Polyolefin film for making a package by folding |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0990596B1 (en) |
DE (1) | DE69918238T2 (en) |
ES (1) | ES2222676T3 (en) |
FR (1) | FR2784079B1 (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2804088A1 (en) * | 2000-01-24 | 2001-07-27 | Naturembal Sa | Blank for producing crate lining to prevent packed items, e.g. fruit or vegetables, contacting it has two longitudinal folds, zones of intersection of side and transverse strips having diagonal creases |
EP1233913A1 (en) | 1999-10-07 | 2002-08-28 | Huhtamaki Ronsberg Zweigniederlassung der Huhtamaki Deutschland GmbH & Co. KG. | Plastic foil |
EP1574329A1 (en) | 2004-03-09 | 2005-09-14 | Alcan Technology & Management Ltd. | Packaging film |
EP2090524A1 (en) | 2008-02-13 | 2009-08-19 | Alcan Technology & Management Ltd. | Packaging with a block-shaped foodstuff-product |
EP2371735A1 (en) | 2010-03-31 | 2011-10-05 | Amcor Flexibles Kreuzlingen Ltd. | Packaging film |
DE102017218176A1 (en) | 2017-10-11 | 2019-04-11 | Huhtamaki Flexible Packaging Germany Gmbh & Co. Kg | Use of a cellophane film for packaging pasty, water-soluble foods in geometrically determined shape |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3698967A1 (en) | 2019-02-21 | 2020-08-26 | Amcor Flexibles Sarrebourg | Packaging film |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1376509A (en) * | 1963-05-02 | 1964-10-31 | Bonding process for butter packaging | |
FR1468818A (en) * | 1965-09-24 | 1967-02-10 | Us Rubber Co | Process for the packaging of a tacky elastomeric material and wrapping paper for the implementation of this process |
WO1992019508A1 (en) * | 1991-05-02 | 1992-11-12 | United Biscuits (Uk) Limited | Improvements in and relating to wrapping food products |
WO1996037418A1 (en) * | 1995-05-24 | 1996-11-28 | Highland Supply Corporation | Wrapping of food items using sheets having adhesive or cohesive material applied thereto |
EP0870695A1 (en) * | 1997-04-09 | 1998-10-14 | Pechiney Emballage Flexible Europe | Polyolefin film for making a package by folding |
-
1998
- 1998-10-02 FR FR9812581A patent/FR2784079B1/en not_active Expired - Fee Related
-
1999
- 1999-10-01 EP EP19990420203 patent/EP0990596B1/en not_active Expired - Lifetime
- 1999-10-01 DE DE69918238T patent/DE69918238T2/en not_active Expired - Lifetime
- 1999-10-01 ES ES99420203T patent/ES2222676T3/en not_active Expired - Lifetime
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1376509A (en) * | 1963-05-02 | 1964-10-31 | Bonding process for butter packaging | |
FR1468818A (en) * | 1965-09-24 | 1967-02-10 | Us Rubber Co | Process for the packaging of a tacky elastomeric material and wrapping paper for the implementation of this process |
WO1992019508A1 (en) * | 1991-05-02 | 1992-11-12 | United Biscuits (Uk) Limited | Improvements in and relating to wrapping food products |
WO1996037418A1 (en) * | 1995-05-24 | 1996-11-28 | Highland Supply Corporation | Wrapping of food items using sheets having adhesive or cohesive material applied thereto |
EP0870695A1 (en) * | 1997-04-09 | 1998-10-14 | Pechiney Emballage Flexible Europe | Polyolefin film for making a package by folding |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1233913A1 (en) | 1999-10-07 | 2002-08-28 | Huhtamaki Ronsberg Zweigniederlassung der Huhtamaki Deutschland GmbH & Co. KG. | Plastic foil |
EP1233913B1 (en) * | 1999-10-07 | 2006-02-15 | Huhtamaki Ronsberg Zweigniederlassung der Huhtamaki Deutschland GmbH & Co. KG. | Plastic foil |
FR2804088A1 (en) * | 2000-01-24 | 2001-07-27 | Naturembal Sa | Blank for producing crate lining to prevent packed items, e.g. fruit or vegetables, contacting it has two longitudinal folds, zones of intersection of side and transverse strips having diagonal creases |
EP1574329A1 (en) | 2004-03-09 | 2005-09-14 | Alcan Technology & Management Ltd. | Packaging film |
EP2090524A1 (en) | 2008-02-13 | 2009-08-19 | Alcan Technology & Management Ltd. | Packaging with a block-shaped foodstuff-product |
WO2009100829A1 (en) | 2008-02-13 | 2009-08-20 | Alcan Technology & Management Ltd. | Packaging with a block-shaped foodstuff-product |
EP2371735A1 (en) | 2010-03-31 | 2011-10-05 | Amcor Flexibles Kreuzlingen Ltd. | Packaging film |
DE102017218176A1 (en) | 2017-10-11 | 2019-04-11 | Huhtamaki Flexible Packaging Germany Gmbh & Co. Kg | Use of a cellophane film for packaging pasty, water-soluble foods in geometrically determined shape |
Also Published As
Publication number | Publication date |
---|---|
DE69918238T2 (en) | 2005-07-21 |
FR2784079B1 (en) | 2000-11-03 |
DE69918238D1 (en) | 2004-07-29 |
EP0990596B1 (en) | 2004-06-23 |
ES2222676T3 (en) | 2005-02-01 |
FR2784079A1 (en) | 2000-04-07 |
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