EP2829486A1 - Packaging comprising a semi-rigid material and a heat-shrinkable film - Google Patents
Packaging comprising a semi-rigid material and a heat-shrinkable film Download PDFInfo
- Publication number
- EP2829486A1 EP2829486A1 EP14174096.9A EP14174096A EP2829486A1 EP 2829486 A1 EP2829486 A1 EP 2829486A1 EP 14174096 A EP14174096 A EP 14174096A EP 2829486 A1 EP2829486 A1 EP 2829486A1
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- EP
- European Patent Office
- Prior art keywords
- walls
- film
- bottom portion
- heat
- shrinkable film
- 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
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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
- B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
- B65D5/42—Details of containers or of foldable or erectable container blanks
- B65D5/44—Integral, inserted or attached portions forming internal or external fittings
- B65D5/50—Internal supporting or protecting elements for contents
- B65D5/5028—Elements formed separately from the container body
Definitions
- the invention relates to a package with an element made of a semi-rigid material, such as cardboard or corrugated cardboard and a heat-shrinkable film.
- Various packaging devices are known, in particular made of semi-rigid material such as cardboard or corrugated cardboard, having within their internal volume a heat-shrinkable film, to allow stalling of the products to be shipped, after retraction of the film by heating.
- a heat-shrinkable film covers all the products arranged inside the package. The application of heat allows the shrinkage of the film and the maintenance of the products against each other.
- the patent application EP 1 473 238 A1 discloses a product packaging system with shrink film packaging, which covers all of the products arranged inside the package, said film comprising sheets of heat-shrinkable material, comprising parts that can be folded on the outer surfaces a side belt, and an additional sheet brought to the level of the upper part of the belt and joined by welding to the other sheets.
- the patent application EP 0 225 208 A discloses a wedging device comprising two cardboard side walls and two heat-shrinkable plastic type sheets, each sheet being fixed on one side and the other of the corresponding wall.
- This system is consumer of cardboard by the existence of the returns for fixation of the film and the useful length of the packaging is amputated thicknesses of these two elements. The need to insert the ends of the films between two thicknesses of cartons and to maintain them by gluing complicates the manufacturing equipment of this package.
- the operator After placing the carton in volume, the operator separates the upper film into two parts, according to the precut line, and places the edge portions thus obtained outside the packaging so as not to hinder the filling.
- the operator After filling the packaging with products, the operator covers the products with the films, and the assembly then briefly passes through an oven, an operation intended for welding the two films to their heat shrink, which makes it possible to protect the goods and avoid any movement due to handling.
- such an arrangement has the disadvantage of requiring manipulation, and the edges of the films on the outer walls being floating, they can be removed inadvertently and possibly torn off by rollers of a conveyor. This would be all the more critical if mechanization was considered.
- the welding of the films at their ends during the manufacture of the packaging is also energy consuming.
- the handling of the package is optimized because the film is secured temporarily on the outside of the at least one of the walls of the package, which limits or even avoids the presence of parts "Floating" external, thus ensuring a good flow of packaging for example on a conveyor.
- the filling of the packaging is simplified and facilitated because the user is no longer bothered by film parts likely to obstruct the filling area of the package.
- the user can separate the parts of the film temporarily fixed on the outside of at least one of the walls, so that these film portions can be housed in the interior space, or internal volume, of said package.
- the inner faces or surfaces of the walls define the inner side of the package, and the outer surfaces of the walls define the outer side of the package.
- the products stored in the package, covered by the heat-shrinkable film not only in the upper part but also in the lower lateral parts, situated in the vicinity of the bottom part of the package, can be maintained very stably between them and at the bottom part, after the action of heat.
- the heat-shrinkable film may extend in a transverse direction (with respect to the direction separating the two walls) over a larger width than in the prior art.
- the width of this superposition of films is relatively small, because a width too high would lead to jamming the film overlay between two flaps during the setting volume and prevent to fully open the top film along the precut line.
- the width of the film decreases further, by almost 20%, so that small objects may come out of the thermoplastic setting element. These small objects are then likely to be stolen.
- the invention is in no way limited to a particular form of the element made of semi-rigid material provided that this element comprises at least two walls, called first walls, which can be raised with respect to the bottom part, which first walls can face each other.
- These at least two first walls can respectively be articulated by two respective fold lines to this bottom part, be fixed by gluing, or by any other means.
- the package may be shaped to form "American" boxes, containers, presentation trays or the like.
- the package may further comprise two second walls, transverse, capable of being erected relative to the bottom portion.
- the second walls occupy the sides of the bottom left free by the first walls.
- a length of the bottom portion can be defined as a distance separating the two first walls, and a width as a distance separating the two second walls facing one another.
- These second walls may be in one piece each, for example articulated at the bottom by two respective fold lines, or not.
- first walls may advantageously comprise flaps intended to form at least a second wall.
- the flaps may be articulated to the free sides adjacent and perpendicular to the side of the first hinged wall at the bottom portion.
- a flap of one of the first walls can come into contact with a flap of the other of the first walls by overlap and thus form a second wall. It can thus be provided two second walls, facing one another, arranged substantially perpendicular to the first walls.
- the bottom portion may advantageously have a rectangular or substantially rectangular shape, with two sides of large dimension, square, triangular, or with more than four sides, for example hexagonal.
- substantially perpendicular is meant an acceptable deviation from the right angle of ⁇ 20 °.
- At least one of the sides of the bottom portion, not secured to the first wall, may advantageously be provided with fastening tabs arranged to immovably hold between them two flaps forming a second wall, for example by bonding or by a mechanical means, such as staples.
- first wall at the free end of the first wall opposite to that hinged to the bottom portion, may also be hinged a first additional wall, which first walls may be separated from each other by fold lines.
- the heat-shrinkable film is secured to the inner side of the bottom portion.
- This joining can be implemented by adhesive means, such as glue, or mechanical means, such as staple type. These may be dots or dashes of glue.
- the heat-shrinkable film may be based on polyethylene, polypropylene or polyalkylene, the chemical nature being in no way limited.
- the film may be able to cover at least partially the outer side of at least one wall of the package.
- the film can therefore extend beyond the inner side of one of said first walls.
- the film may advantageously have a sufficient overlap length to cover the outer side of at least one of the walls, preferably to cover the contents adequately, which avoids an additional sheet as in the document EP 1 473 238 A1 .
- This covering length may advantageously represent at least one third of the height of a wall, preferably half a height, in particular at least 60%, at least 70%, or even at least 80%, in particular between 30% and 100%, advantageously between 50% and 100% of the height of at least one of the walls.
- the overlap length may be defined relative to the length of the bottom portion.
- the overlap length of at least one of the walls may be greater than or equal to at least one third of the length of the bottom portion, preferably half a length of the bottom part, greater than or equal to at least 70%, 80% or even between 50% and 100% of the length of the part of background. It can thus have a length at least sufficient for the recovery at least total content in the package.
- the film covering length of the outer side can be at least that of the height of the first wall considered, or even higher. This arrangement may require in this case additional removable attachment for example on the film or the bottom portion of the outer side.
- the film may be arranged so that the width of the film, defined by the width of a first wall and / or the bottom portion, regardless of the length or not, occupies at least partially the entire width of the film. at least one first wall and / or the bottom portion, preferably at least 80%, or 90% or 100% of said width.
- the film may extend beyond the width of a first wall and / or the bottom portion to also partially occupy the inner surface of the second walls.
- Such an arrangement makes it possible to increase the dimensions of the film for a more complete covering of the products, after filling the package, which can lead to an even more efficient maintenance of the stored products.
- the film may cover at least 10% of the inner surface of the flaps and tabs for forming second walls.
- the film covering the bottom portion may usually have sizes and dimensions identical to the parts of the film covering the first walls.
- the heat-shrinkable film may advantageously be releasably secured to the outer sides of two respective walls.
- the film may extend on the outer sides of two first walls. Such an arrangement makes it possible to optimize the volume of recovery of the products.
- the overlap length may be different for each of the first two walls, in particular depending on the shapes described above, provided that the total overlap length is able to cover all the contents.
- the heat-shrinkable film may alternatively be releasably secured to the outer side of a single wall among the at least two walls considered.
- the film may also be shaped to have a sufficient length of content overlap.
- a covering length may be that indicated above, but it is preferable that this length may be at least equal to the height of the first wall and / or the length of the bottom portion.
- the overlap length may even be greater than that of the length of the bottom portion, so that the overlap length is likely to be greater than the height of the first part. wall and thus require a possible removable attachment for example on the film or on the outside of the bottom portion.
- the film naturally covers the inner side of the first two walls.
- the removable attachment can be performed by glue dots, glue lines or by any other physical means authorizing it.
- the heat-shrinkable film may be formed of at least two sheets, each sheet being securable to the bottom portion and to a respective wall on the outer side of said first wall.
- each sheet may be distinct from one another or may be secured to another.
- One of the sheets or each constituent film sheet may cover at least partially the bottom portion, or, alternatively, the entire bottom portion.
- one sheet may at least partially cover the other sheet, or even completely, at the bottom portion.
- the heat-shrinkable film can form a single piece.
- the heat-shrinkable film may advantageously form an inner casing, adapted to cover the bottom portion on the inner side, and at least one of the first walls on the outer side, as previously described.
- This offers the advantage, in addition to those described above, to have a simplified handling film and more practical to implement at the industrial level, which allows to reduce costs and increase productivity.
- the film may have a shape of a rectangular band.
- the packaging element is in the form of a blank, it is possible to produce, after setting volume, a package provided with a heat-shrinkable film, such as for example previously described. .
- the securing step c) can be implemented when the element made of semi-rigid material is in the blank state. This has the advantage of providing a user with a blank element provided with the heat-shrinkable film ready for use. the use of a simplified and optimized manipulation resulting in production gains and filling time, once the blank device mounted.
- the heat-shrinkable film can be secured after setting the volume of the semi-rigid material element.
- the element made of semi-rigid material can therefore be shaped, in particular mechanically, for example on an assembly line, then the heat-shrinkable film is fixed immovably on the bottom part on the inner side and removably on the outer side of the at least one wall.
- a blank device 1 comprises a blank defined by a packaging member comprising a rectangular bottom portion and two first walls 20,30, each first wall having a rectangular band shape, and being secured to each large side of the blank. this bottom portion 10 by two respective fold lines 21,31.
- a flap of each first wall comes into contact with another flap by mutual overlap and thus form two second walls 22,32 and 23,33 respectively, opposite the one of the other, disposed substantially perpendicular to the first walls, after mounting.
- the blank device 1 is further provided, on the sides of the bottom portion 10 left free, two fastening tabs 11,12 flaps 22,32 and 23,33, intended to maintain, irremovably between them the two flaps 22,23 and 32,33 of the second wall by gluing, which tongues 11,12 are hinged to the bottom portion 10 by the fold lines 26,36.
- the blank device 1 is further provided with a heat-shrinkable film 40, indicated here by hatched portions, forming a single piece, having the shape of an envelope whose width covers, on the inner side, the entire bottom portion 10 and the first two walls 20,30 and which, in addition, partially overlaps the securing tongues 11,12 and the flaps 22,23,33,34.
- the film 40 has a sufficient overlap length to extend beyond the inner side of the first two walls 20,30 and to be releasably attached to the outer side of the two walls 20,30, by portions of the occupying film here about 60% of the height of each first wall 20,30, on the outside. This overlap of the outer side of the first walls 20,30 is represented by hatched dotted lines and delimited by the braces 24,25,34,35.
- the heat-shrinkable film 40 is secured in a relatively irremovable manner on the bottom portion 10 by glue points (not shown).
- Removable fixing points (not shown) of the film 40 are provided on the inner surface of each first wall 20, 30, for example points of removable glue, in order to increase ease of handling by avoiding floating portions of the film. .
- the figure 2 is a perspective view of a package 100 provided with a heat-shrinkable film 40 which can be obtained by mounting the blank device 1.
- the package 100 has two first walls 20,30 erected relative to the bottom portion through fold lines 21.
- Each of the second two walls 22,32 and 23,33 is obtained by joining two flaps hinged to the part by the fold lines 26.
- the fastening tabs 11, 12 make it possible to reinforce the binding of the flaps, especially by gluing.
- the second walls 22,32 and 23,33 are perpendicular to the first two walls 20,30.
- the heat-shrinkable film 40 is here in the form of a single band, of given length and width.
- the heat-shrinkable film 40 has a covering length occupying the entire height of the first walls 20, 30 on the inner sides, and covering the bottom portion 10. In addition, the film 40 extends over a length sufficient to cover almost the entire height of the first walls 20,30 on the outer sides.
- the film has a width greater than the width of the walls 20, 30, so that the corners of the package are clearly covered by the film 40.
- the securing tabs 11, 12 partially cover the film 40, which contributes to the maintaining the contents, once the film shrinks.
- the film is removably attached by glue points (not shown) to the outer side of the first walls 20,30 and the inner side of the first walls 20,30, and relatively irremovable manner on the inner side of the walls 20,30.
- a user separates the parts of the film 40 fixed by temporary links on the outer side of the first two walls 20,30, then covers the contents by these parts, and all is conveyed in an oven in order to heat-shrink the film 40 located both in the upper part of the packing 100 (filling) and on the inner surfaces of the first two walls 20,30 and the bottom part 10.
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- Mechanical Engineering (AREA)
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Abstract
L'invention concerne un emballage (100), un élément en matériau semi rigide tel que le carton ou le carton ondulé comprenant une partie de fond (10) et de part et d'autre de cette partie de fond, au moins deux parois (20,30) dressées par rapport à la partie de fond, la partie de fond (10) et les au moins deux parois (20,30) définissant un espace intérieur pour recevoir un contenu, et un film thermorétractable (40), d'une part, solidarisé à la partie de fond (10), sur le côté intérieur, et, d'autre part, solidarisé de façon amovible à au moins l'une des parois (20,30) sur le côté extérieur, ledit film (40) étant destiné à recouvrir le contenu.The invention relates to a packaging (100), a semi-rigid material element such as cardboard or corrugated cardboard comprising a bottom part (10) and on either side of this bottom part, at least two walls ( 20,30) arranged with respect to the bottom portion, the bottom portion (10) and the at least two walls (20,30) defining an interior space for receiving a content, and a heat-shrinkable film (40), a part, secured to the bottom portion (10), on the inner side, and, secondly, removably secured to at least one of the walls (20,30) on the outer side, said film ( 40) being intended to cover the contents.
Description
L'invention concerne un emballage avec un élément en un matériau semi rigide, tel que le carton ou carton ondulé et un film thermorétractable.The invention relates to a package with an element made of a semi-rigid material, such as cardboard or corrugated cardboard and a heat-shrinkable film.
On connaît divers dispositifs d'emballage, notamment en matériau semi-rigide tel que le carton ou le carton ondulé, présentant au sein de leur volume intérieur un film thermorétractable, pour permettre un calage des produits à expédier, après rétraction du film par chauffage. En effet, dans ces types d'emballages, un film thermorétractable recouvre l'ensemble des produits disposés à l'intérieur de l'emballage. L'application de la chaleur permet la rétraction du film et le maintien des produits les uns contre les autres.Various packaging devices are known, in particular made of semi-rigid material such as cardboard or corrugated cardboard, having within their internal volume a heat-shrinkable film, to allow stalling of the products to be shipped, after retraction of the film by heating. Indeed, in these types of packaging, a heat-shrinkable film covers all the products arranged inside the package. The application of heat allows the shrinkage of the film and the maintenance of the products against each other.
La demande de brevet
La demande de brevet
D'autres dispositifs d'emballage, notamment ceux développés par la demanderesse, sont obtenus à partir de flans munis de deux films thermorétractables superposés dont deux bords extrêmes sont soudés : un film « inférieur » est collé sur les parois internes, de fond et latérales, de l'emballage carton. Le film « supérieur » est pourvu d'une ligne de prédécoupe centrale.Other packaging devices, in particular those developed by the applicant, are obtained from blanks provided with two superimposed heat-shrinkable films whose two extreme edges are welded: a "lower" film is glued on the inner, bottom and side walls. , from the cardboard packaging. The "superior" film is provided with a central pre-cut line.
Après mise en volume du carton, l'opérateur sépare le film supérieur en deux parties, selon la ligne de prédécoupe, et place les parties de bords ainsi obtenues à l'extérieur de l'emballage afin de ne pas en gêner le remplissage. Après le remplissage de l'emballage par des produits, l'opérateur recouvre les produits par les films, et l'ensemble passe ensuite brièvement dans un four, opération destinée au soudage des deux films à leur thermorétraction, ce qui permet de protéger la marchandise et d'éviter tout mouvement imputable à la manutention. Toutefois, un tel agencement présente l'inconvénient de requérir une manipulation, et les bords des films sur les parois extérieures étant flottants, ceux-ci peuvent être retirés de façon intempestive et éventuellement être arrachés par des rouleaux d'un convoyeur. Ceci serait d'autant plus critique si une mécanisation était envisagée. La soudure des films à leurs extrémités lors de la fabrication de l'emballage est en outre consommatrice d'énergie.After placing the carton in volume, the operator separates the upper film into two parts, according to the precut line, and places the edge portions thus obtained outside the packaging so as not to hinder the filling. After filling the packaging with products, the operator covers the products with the films, and the assembly then briefly passes through an oven, an operation intended for welding the two films to their heat shrink, which makes it possible to protect the goods and avoid any movement due to handling. However, such an arrangement has the disadvantage of requiring manipulation, and the edges of the films on the outer walls being floating, they can be removed inadvertently and possibly torn off by rollers of a conveyor. This would be all the more critical if mechanization was considered. The welding of the films at their ends during the manufacture of the packaging is also energy consuming.
Il y a donc un besoin pour réaliser un emballage pourvu d'un film thermorétractable, plus simple à réaliser et/ou à manipuler, prêt à l'emploi, permettant un maintien et un calage des produits accrus.There is therefore a need to produce a package provided with a heat-shrinkable film, easier to make and / or to handle, ready to use, allowing maintenance and wedging of increased products.
L'invention propose un emballage, comprenant :
- a) un élément en matériau semi rigide tel que le carton ou le carton ondulé, d'une seule pièce, comprenant une partie de fond et, de part et d'autre de cette partie de fond, au moins deux parois dressées par rapport à la partie de fond, la partie de fond et les au moins deux parois définissant un espace intérieur pour recevoir un contenu, et
- b) un film thermorétractable, d'une part, solidarisé à la partie de fond, sur un côté intérieur, et, d'autre part, solidarisé de façon amovible à au moins l'une des parois sur un côté extérieur, ledit film étant destiné à recouvrir le contenu.
- a) a semi-rigid material element such as cardboard or corrugated cardboard, in one piece, comprising a bottom part and, on either side of this bottom part, at least two walls erected with respect to the bottom portion, the bottom portion and the at least two walls defining an interior space for receiving content, and
- b) a heat-shrinkable film, on the one hand, secured to the bottom portion, on an inner side, and, on the other hand, removably secured to at least one of the walls on an outer side, said film being intended to cover the content.
Il est possible de réaliser un emballage pourvu d'un film thermorétractable sur un élément en matériau semi-rigide présentant les avantages suivants.It is possible to produce a package provided with a heat-shrinkable film on an element of semi-rigid material having the following advantages.
Tout d'abord, la manipulation de l'emballage est optimisée, car le film est solidarisé de façon temporaire sur le côté extérieur de l'au moins une des parois de l'emballage, ce qui limite, voire évite, la présence de parties « flottantes » externes, permettant ainsi d'assurer une bonne circulation de l'emballage par exemple sur un convoyeur. Egalement, le remplissage de l'emballage est simplifié et facilité car l'utilisateur n'est plus gêné par des parties de film susceptibles d'obstruer la zone de remplissage de l'emballage. Une fois le remplissage de l'emballage achevé, l'utilisateur peut désolidariser les parties du film fixées de façon temporaire sur le côté extérieur d'au moins l'une des parois, de sorte que ces parties de film puissent être logées dans l'espace intérieur, ou volume interne, dudit emballage. Les faces ou surfaces internes des parois définissent le côté intérieur de l'emballage, et les surfaces externes des parois définissent le côté extérieur de l'emballage.First, the handling of the package is optimized because the film is secured temporarily on the outside of the at least one of the walls of the package, which limits or even avoids the presence of parts "Floating" external, thus ensuring a good flow of packaging for example on a conveyor. Also, the filling of the packaging is simplified and facilitated because the user is no longer bothered by film parts likely to obstruct the filling area of the package. Once the filling of the packaging is completed, the user can separate the parts of the film temporarily fixed on the outside of at least one of the walls, so that these film portions can be housed in the interior space, or internal volume, of said package. The inner faces or surfaces of the walls define the inner side of the package, and the outer surfaces of the walls define the outer side of the package.
En outre, les produits stockés dans l'emballage, recouverts par le film thermorétractable non seulement en partie supérieure mais également en partie latérales inférieures, situées au voisinage de la partie de fond de l'emballage, peuvent être maintenus de façon très stable entre eux et à la partie de fond, après action de la chaleur.In addition, the products stored in the package, covered by the heat-shrinkable film not only in the upper part but also in the lower lateral parts, situated in the vicinity of the bottom part of the package, can be maintained very stably between them and at the bottom part, after the action of heat.
Enfin, un tel agencement peut permettre une plus grande liberté de conception que dans l'art antérieur. En particulier, le film thermorétractable peut s'étendre suivant une direction transverse (par rapport à la direction séparant les deux parois) sur une largeur plus grande que dans l'art antérieur.Finally, such an arrangement may allow a greater freedom of design than in the prior art. In particular, the heat-shrinkable film may extend in a transverse direction (with respect to the direction separating the two walls) over a larger width than in the prior art.
Notamment, dans le cas d'un emballage tel que commercialisé par la demanderesse, avec deux films superposés et des parois transverses obtenues chacune par collage de plusieurs rabats, la largeur de cette superposition de films est relativement faible, car une largeur trop élevée conduirait à coincer la superposition de films entre deux rabats lors de la mise en volume et empêcherait d'ouvrir complètement le film supérieur le long de la ligne de prédécoupe. Lors de la thermorétraction, la largeur du film diminue encore, de prés de 20%, de sorte que des petits objets risquent de sortir de l'élément de calage thermoplastique. Ces petits objets sont alors susceptibles d'être dérobés.In particular, in the case of a package as marketed by the applicant, with two superimposed films and transverse walls each obtained by gluing of several flaps, the width of this superposition of films is relatively small, because a width too high would lead to jamming the film overlay between two flaps during the setting volume and prevent to fully open the top film along the precut line. During heat shrinking, the width of the film decreases further, by almost 20%, so that small objects may come out of the thermoplastic setting element. These small objects are then likely to be stolen.
Avec l'emballage tel que décrit ci-dessus, il importe peu que le film vienne se bloquer entre deux rabats latéraux. Au contraire, un tel blocage viendrait constituer un point d'ancrage supplémentaire pour l'élément de calage thermorétractable. Le contenu est donc davantage maintenu que dans l'art antérieur.With the packaging as described above, it does not matter that the film comes to hang between two side flaps. On the contrary, such a blockage would be an additional anchor point for the heat-shrinkable wedging element. The content is therefore maintained more than in the prior art.
L'invention n'est en rien limitée à une forme particulière de l'élément en matériau semi-rigide pourvu que cet élément comporte au moins deux parois, dites premières parois, susceptibles d'être dressées par rapport à la partie de fond, lesquelles premières parois peuvent faire face l'une à l'autre.The invention is in no way limited to a particular form of the element made of semi-rigid material provided that this element comprises at least two walls, called first walls, which can be raised with respect to the bottom part, which first walls can face each other.
Ces au moins deux premières parois peuvent être respectivement articulées par deux lignes de pliage respectives à cette partie de fond, être fixées par collage, ou par tout autre moyen.These at least two first walls can respectively be articulated by two respective fold lines to this bottom part, be fixed by gluing, or by any other means.
L'emballage peut être conformé pour former des caisses dites « américaines », des conteneurs, des plateaux de présentation ou autre.The package may be shaped to form "American" boxes, containers, presentation trays or the like.
L'emballage peut en outre comporter deux deuxièmes parois, transverses, aptes à être dressées par rapport à la partie de fond. Dans le cas d'un fond rectangulaire, les deuxièmes parois occupent les côtés du fond laissés libres par les premières parois.The package may further comprise two second walls, transverse, capable of being erected relative to the bottom portion. In the case of a rectangular bottom, the second walls occupy the sides of the bottom left free by the first walls.
On peut définir une longueur de la partie de fond comme une distance séparant les deux premières parois, et une largeur comme une distance séparant les deux deuxièmes parois en regard l'une de l'autre.A length of the bottom portion can be defined as a distance separating the two first walls, and a width as a distance separating the two second walls facing one another.
Ces deuxièmes parois peuvent être d'une seule pièce chacune, par exemple articulées au fond par deux lignes de pliage respectives, ou non.These second walls may be in one piece each, for example articulated at the bottom by two respective fold lines, or not.
En particulier, au moins deux extrémités libres de ces premières parois, non articulées à la partie de fond, peuvent avantageusement comporter des rabats destinés à former au moins une deuxième paroi. De préférence, les rabats peuvent être articulés aux côtés libres adjacents et perpendiculaires au côté de la première paroi articulé à la partie de fond. Ainsi, lorsque les premières parois sont dressées par rapport à la partie de fond, un rabat d'une des premières parois peut venir en contact avec un rabat de l'autre des premières parois par recouvrement et former ainsi une deuxième paroi. Il peut ainsi être prévu deux deuxièmes parois, en regard l'une de l'autre, disposées de façon sensiblement perpendiculaire aux premières parois.In particular, at least two free ends of these first walls, not articulated to the bottom portion, may advantageously comprise flaps intended to form at least a second wall. Preferably, the flaps may be articulated to the free sides adjacent and perpendicular to the side of the first hinged wall at the bottom portion. Thus, when the first walls are erected relative to the bottom portion, a flap of one of the first walls can come into contact with a flap of the other of the first walls by overlap and thus form a second wall. It can thus be provided two second walls, facing one another, arranged substantially perpendicular to the first walls.
La partie de fond peut avantageusement avoir une forme rectangulaire ou sensiblement rectangulaire, avec deux cotés de grande dimension, carrée, triangulaire, ou bien avec plus de quatre cotés, par exemple hexagonale. Par sensiblement perpendiculaire, on entend un écart acceptable par rapport à l'angle droit de ± 20°.The bottom portion may advantageously have a rectangular or substantially rectangular shape, with two sides of large dimension, square, triangular, or with more than four sides, for example hexagonal. By substantially perpendicular is meant an acceptable deviation from the right angle of ± 20 °.
Au moins l'un des côtés de la partie de fond, non solidarisé à la première paroi, peut avantageusement être muni de pattes de solidarisation agencées pour maintenir de façon inamovible entre eux deux rabats formant une deuxième paroi, par exemple par collage ou par un moyen mécanique, tel que des agrafes.At least one of the sides of the bottom portion, not secured to the first wall, may advantageously be provided with fastening tabs arranged to immovably hold between them two flaps forming a second wall, for example by bonding or by a mechanical means, such as staples.
En variante, à l'extrémité libre de la première paroi opposée à celle articulée à la partie de fond, peut également être articulée une première paroi additionnelle, lesquelles premières parois peuvent être séparées l'une de l'autre par des lignes de pliage.Alternatively, at the free end of the first wall opposite to that hinged to the bottom portion, may also be hinged a first additional wall, which first walls may be separated from each other by fold lines.
Dans le cadre de l'invention, le film thermorétractable est solidarisé sur le côté intérieur de la partie de fond. Cette solidarisation peut être mise en oeuvre par des moyens adhésifs, tels que de la colle, ou des moyens mécaniques, de type agrafe par exemple. Il peut s'agir de points ou de traits de colle.In the context of the invention, the heat-shrinkable film is secured to the inner side of the bottom portion. This joining can be implemented by adhesive means, such as glue, or mechanical means, such as staple type. These may be dots or dashes of glue.
Le film thermorétractable peut être à base de polyéthylène, de polypropylène ou polyalkylène, la nature chimique n'étant nullement limitée.The heat-shrinkable film may be based on polyethylene, polypropylene or polyalkylene, the chemical nature being in no way limited.
Le film peut être apte à recouvrir au moins partiellement le côté extérieur d'au moins une paroi de l'emballage. Le film peut donc s'étendre au-delà du côté intérieur de l'une desdites premières parois.The film may be able to cover at least partially the outer side of at least one wall of the package. The film can therefore extend beyond the inner side of one of said first walls.
Le film peut avantageusement présenter une longueur de recouvrement suffisante pour recouvrir le côté extérieur d'au moins l'une des parois, de préférence pour recouvrir le contenu de façon adéquate, ce qui permet d'éviter une feuille supplémentaire comme dans le document
Il peut être préféré que la longueur de recouvrement puisse être définie par rapport à la longueur de la partie de fond. Afin d'optimiser le recouvrement du contenu par le film, la longueur de recouvrement d'au moins l'une des parois peut être supérieure ou égale à au moins un tiers de la longueur de la partie de fond, de préférence une demi longueur de la partie de fond, supérieure ou égale à au moins 70%, 80%, voire comprise entre 50% et 100% de la longueur de la partie de fond. On peut ainsi disposer d'une longueur au moins suffisante permettant le recouvrement au moins total du contenu dans l'emballage.It may be preferred that the overlap length may be defined relative to the length of the bottom portion. In order to optimize the covering of the content by the film, the overlap length of at least one of the walls may be greater than or equal to at least one third of the length of the bottom portion, preferably half a length of the bottom part, greater than or equal to at least 70%, 80% or even between 50% and 100% of the length of the part of background. It can thus have a length at least sufficient for the recovery at least total content in the package.
Selon des formes de réalisation non préférées, lorsque l'élément en matériau semi rigide est susceptible de présenter une longueur de partie de fond nettement supérieure à la hauteur des parois, il est préférable dans ce cas que la longueur de recouvrement du film du côté extérieur puisse être au moins celle de la hauteur de la première paroi considérée, voire supérieure. Cet agencement peut nécessiter dans ce cas une solidarisation amovible additionnelle par exemple soit sur le film soit la partie de fond du côté extérieur.According to non-preferred embodiments, when the element of semi-rigid material is likely to have a length of bottom portion substantially greater than the height of the walls, it is preferable in this case that the film covering length of the outer side can be at least that of the height of the first wall considered, or even higher. This arrangement may require in this case additional removable attachment for example on the film or the bottom portion of the outer side.
En outre, le film peut être agencé de sorte que la largeur du film, définie par la largeur d'une première paroi et/ou de la partie de fond, indépendamment de la longueur ou pas, occupe au moins partiellement toute la largeur d'au moins une première paroi et/ou de la partie de fond, de préférence au moins 80%, ou 90% ou 100% de ladite largeur.In addition, the film may be arranged so that the width of the film, defined by the width of a first wall and / or the bottom portion, regardless of the length or not, occupies at least partially the entire width of the film. at least one first wall and / or the bottom portion, preferably at least 80%, or 90% or 100% of said width.
Selon des formes avantageuses de réalisation, le film peut s'étendre au-delà de la largeur d'une première paroi et/ou de la partie de fond pour également occuper partiellement la surface interne des deuxièmes parois. Un tel agencement permet d'augmenter les dimensions du film pour un recouvrement plus complet des produits, après remplissage de l'emballage, ce qui peut conduire à un maintien au déplacement encore plus efficace des produits stockés. Par exemple, le film peut recouvrir au moins 10% de la surface interne des rabats et des languettes destinés à former des deuxièmes parois.According to advantageous embodiments, the film may extend beyond the width of a first wall and / or the bottom portion to also partially occupy the inner surface of the second walls. Such an arrangement makes it possible to increase the dimensions of the film for a more complete covering of the products, after filling the package, which can lead to an even more efficient maintenance of the stored products. For example, the film may cover at least 10% of the inner surface of the flaps and tabs for forming second walls.
Pour des raisons de simplicité de mise en oeuvre, le film recouvrant la partie de fond peut habituellement présenter des tailles et dimensions identiques aux parties du film recouvrant les premières parois.For reasons of simplicity of implementation, the film covering the bottom portion may usually have sizes and dimensions identical to the parts of the film covering the first walls.
Le film thermorétractable peut avantageusement être solidarisé de façon amovible aux côtés extérieurs de deux parois respectives.The heat-shrinkable film may advantageously be releasably secured to the outer sides of two respective walls.
Selon ce mode de réalisation, le film peut s'étendre sur les côtés extérieurs de deux premières parois. Un tel agencement permet d'optimiser le volume de recouvrement des produits.According to this embodiment, the film may extend on the outer sides of two first walls. Such an arrangement makes it possible to optimize the volume of recovery of the products.
En variante, la longueur de recouvrement peut être différente pour chacune des deux premières parois, notamment selon les formes décrites ci-dessus, pourvu que la longueur de recouvrement totale soit apte à recouvrir tout le contenu.As a variant, the overlap length may be different for each of the first two walls, in particular depending on the shapes described above, provided that the total overlap length is able to cover all the contents.
Le film thermorétractable peut alternativement être solidarisé de façon amovible au côté extérieur d'une seule paroi parmi les au moins deux parois considérées.The heat-shrinkable film may alternatively be releasably secured to the outer side of a single wall among the at least two walls considered.
Selon ce mode de réalisation, le film peut également être conformé pour présenter une longueur suffisante de recouvrement du contenu. Une telle longueur de recouvrement peut être celle indiquée précédemment, mais il est préférable que cette longueur puisse être au moins égale à la hauteur de la première paroi et/ou à la longueur de la partie de fond. Selon des agencements de l'élément en matériau semi rigide, la longueur de recouvrement peut même être supérieure à celle de la longueur de la partie de fond, de sorte que la longueur de recouvrement soit susceptible d'être supérieure à la hauteur de la première paroi et nécessiter ainsi une éventuelle solidarisation amovible par exemple sur le film ou sur le côté extérieur de la partie de fond.According to this embodiment, the film may also be shaped to have a sufficient length of content overlap. Such a covering length may be that indicated above, but it is preferable that this length may be at least equal to the height of the first wall and / or the length of the bottom portion. According to arrangements of the element of semi-rigid material, the overlap length may even be greater than that of the length of the bottom portion, so that the overlap length is likely to be greater than the height of the first part. wall and thus require a possible removable attachment for example on the film or on the outside of the bottom portion.
Dans le contexte de l'invention, le film recouvre bien entendu le côté intérieur des deux premières parois.In the context of the invention, the film naturally covers the inner side of the first two walls.
La solidarisation amovible peut être effectuée par des points de colle, des traits de colle ou par tout autre moyen physique l'autorisant.The removable attachment can be performed by glue dots, glue lines or by any other physical means authorizing it.
Selon des formes de réalisation, le film thermorétractable peut être formé d'au moins deux feuilles, chaque feuille pouvant être solidarisée à la partie de fond et à une paroi respective sur le côté extérieur de ladite première paroi.According to embodiments, the heat-shrinkable film may be formed of at least two sheets, each sheet being securable to the bottom portion and to a respective wall on the outer side of said first wall.
Selon cette forme de réalisation, chaque feuille peut être distincte l'une de l'autre ou peut être solidarisée à une autre. Une des feuilles ou chaque feuille constitutive du film peut recouvrir au moins partiellement la partie de fond, ou, en variante, la totalité de la partie de fond. En variante, une feuille peut recouvrir au moins partiellement l'autre feuille, voire complètement, au niveau de la partie de fond.According to this embodiment, each sheet may be distinct from one another or may be secured to another. One of the sheets or each constituent film sheet may cover at least partially the bottom portion, or, alternatively, the entire bottom portion. Alternatively, one sheet may at least partially cover the other sheet, or even completely, at the bottom portion.
Selon des formes avantageuses de réalisation de l'invention, le film thermorétractable peut former une pièce d'un seul tenant.According to advantageous embodiments of the invention, the heat-shrinkable film can form a single piece.
Selon cet agencement, le film thermorétractable peut avantageusement former une enveloppe interne, apte à recouvrir la partie de fond sur le côté intérieur, et au moins l'une des premières parois sur le côté extérieur, comme décrit précédemment. Ceci offre l'avantage, outre ceux décrits plus haut, de disposer d'un film de manipulation simplifiée et plus pratique à mettre en oeuvre sur le plan industriel, ce qui permet de limiter les coûts et d'augmenter la productivité. Dans ce cas, le film peut présenter une forme d'une bande rectangulaire.According to this arrangement, the heat-shrinkable film may advantageously form an inner casing, adapted to cover the bottom portion on the inner side, and at least one of the first walls on the outer side, as previously described. This offers the advantage, in addition to those described above, to have a simplified handling film and more practical to implement at the industrial level, which allows to reduce costs and increase productivity. In this case, the film may have a shape of a rectangular band.
L'invention concerne également un dispositif de flan comprenant :
- a) un élément d'emballage en matériau semi rigide, tel que le carton ou le carton ondulé, comprenant une partie de fond et de part et d'autre de cette partie de fond, au moins deux parois solidarisées à la partie de fond et destinées à être dressées par rapport à la partie de fond, et
- b) un film thermorétractable, d'une part, solidarisé à la partie de fond, sur un côté intérieur, et, d'autre part, solidarisé de façon amovible à au moins l'une des parois sur un côté extérieur, ledit film étant destiné à recouvrir le contenu.
- a) a packaging element of semi-rigid material, such as cardboard or corrugated cardboard, comprising a bottom part and on either side of this bottom part, at least two walls secured to the bottom part and intended to be erected in relation to the bottom part, and
- b) a heat-shrinkable film, on the one hand, secured to the bottom portion, on an inner side, and, on the other hand, removably secured to at least one of the walls on an outer side, said film being intended to cover the content.
Grâce à un tel dispositif de flan, où l'élément d'emballage est sous la forme d'un flan, il est possible de réaliser, après mise en volume, un emballage pourvu d'un film thermorétractable, tel que par exemple décrit précédemment.With such a blank device, where the packaging element is in the form of a blank, it is possible to produce, after setting volume, a package provided with a heat-shrinkable film, such as for example previously described. .
L'invention concerne également un procédé de fabrication d'un emballage, tel que défini précédemment, comprenant les étapes consistant à :
- a) prévoir un élément d'une seule pièce en matériau semi rigide tel que le carton ou le carton ondulé comprenant une partie de fond et de part et d'autre de cette partie de fond, au moins deux parois aptes à être dressées par rapport à la partie de fond, de sorte que la partie de fond et les au moins deux parois définissent un espace intérieur pour recevoir un contenu, et
- b) prévoir un film thermorétractable pour recouvrir le contenu, et
- c) solidariser, d'une part, ledit film thermorétractable à la partie de fond, sur un côté intérieur, et, d'autre part, de façon amovible, à au moins l'une des parois sur le côté extérieur.
- a) providing a one-piece element of semi-rigid material such as cardboard or corrugated cardboard comprising a bottom part and on either side of this bottom part, at least two walls capable of being erected relative to each other; at the bottom portion, so that the bottom portion and the at least two walls define an interior space for receiving a content, and
- b) providing a heat-shrinkable film for covering the contents, and
- c) securing, on the one hand, said heat-shrinkable film to the bottom portion, on an inner side, and, secondly, removably, to at least one of the walls on the outer side.
Avantageusement, l'étape c) de solidarisation peut être mise en oeuvre lorsque l'élément en matériau semi rigide est à l'état de flan. Ceci présente l'avantage de mettre à disposition d'un utilisateur un élément à l'état de flan pourvu du film thermorétractable prêt à l'emploi, d'une manipulation simplifiée et optimisée aboutissant à des gains de production et temps de remplissage, une fois le dispositif de flan monté.Advantageously, the securing step c) can be implemented when the element made of semi-rigid material is in the blank state. This has the advantage of providing a user with a blank element provided with the heat-shrinkable film ready for use. the use of a simplified and optimized manipulation resulting in production gains and filling time, once the blank device mounted.
En variante, le film thermorétractable peut être solidarisé après la mise en volume de l'élément en matériau semi rigide.Alternatively, the heat-shrinkable film can be secured after setting the volume of the semi-rigid material element.
L'élément en matériau semi rigide peut donc être mis en forme, notamment par voie mécanique, par exemple sur une chaîne de montage, puis le film thermorétractable est fixé de façon inamovible sur la partie de fond sur le côté intérieur et de façon amovible sur le côté extérieur de l'au moins une paroi.The element made of semi-rigid material can therefore be shaped, in particular mechanically, for example on an assembly line, then the heat-shrinkable film is fixed immovably on the bottom part on the inner side and removably on the outer side of the at least one wall.
L'invention est maintenant décrite en référence aux dessins annexés, non limitatifs, dans lesquels :
- la
figure 1 montre un exemple de flan selon un mode de réalisation de l'invention ; - la
figure 2 représente un vue en perspective d'un emballage comportant un élément en matériau semi rigide muni d'un film thermorétractable, selon un exemple de réalisation.
- the
figure 1 shows an example of a blank according to one embodiment of the invention; - the
figure 2 represents a perspective view of a package comprising a semi-rigid material element provided with a heat-shrinkable film, according to an exemplary embodiment.
Les parties analogues ou similaires peuvent être indiquées par les mêmes références numériques.Analogous or similar parts may be indicated by the same numerical references.
Un dispositif de flan 1 comporte un flan défini par un élément d'emballage comprenant une partie de fond 10 rectangulaire et deux premières parois 20,30, chaque première paroi ayant une forme de bande rectangulaire, et étant solidarisée à chaque côté de grande dimension de cette partie de fond 10 par deux lignes de pliage respectives 21,31.A
Deux extrémités libres de ces premières parois 20,30, non articulées à la partie de fond 10, comportent respectivement deux rabats 22,23 et 32,33 agencés pour former, après montage, une deuxième paroi, obtenue par réunion et pliage de deux rabats respectifs 22,32 et 23,33 par le biais de lignes de pliage respectives 26,36. Ainsi, lorsque les premières parois 20,30 sont dressées de façon longitudinale, un rabat de chaque première paroi vient en contact avec un autre rabat par recouvrement mutuel et former ainsi deux deuxièmes parois 22,32 et 23,33 respectivement, en regard l'une de l'autre, disposées de façon sensiblement perpendiculaire aux premières parois, après montage.Two free ends of these
Le dispositif de flan 1 est en outre muni, sur les cotés de la partie de fond 10 laissés libres, de deux languettes de solidarisation 11,12 des rabats 22,32 et 23,33, destinées à maintenir, de façon inamovible entre eux les deux rabats 22,23 et 32,33 de la deuxième paroi par collage, lesquelles languettes 11,12 sont articulées à la partie de fond 10 par les lignes de pliage 26,36.The
Le dispositif de flan 1 est en outre muni d'un film thermorétractable 40, indiqué ici par des parties hachurées, formant une pièce d'un seul tenant, ayant la forme d'une enveloppe, dont la largeur recouvre, sur le côté intérieur, la totalité de la partie de fond 10 et les deux premières parois 20,30 et qui, en outre, recouvre partiellement les languettes de solidarisation 11,12 et les rabats 22,23,33,34. Le film 40 présente une longueur de recouvrement suffisante pour s'étendre au-delà du côté intérieur des deux premières parois 20,30 et pour être fixé de façon amovible sur le côté extérieur des deux parois 20,30, par des parties du film occupant ici environ 60% de la hauteur de chaque première paroi 20,30, sur le côté extérieur. Ce recouvrement du côté extérieur des premières parois 20,30 est représenté par des pointillés hachurés et délimité par les accolades 24,25,34,35.The
Le film thermorétractable 40 est solidarisé de façon relativement inamovible sur la partie de fond 10 par des points de colle (non représentés).The heat-
Il est prévu des points de fixation amovibles (non représentés) du film 40 sur la surface interne de chaque première paroi 20,30, par exemple des points de colle amovible, afin d'accroître la facilité de manipulation en évitant des parties flottantes du film.Removable fixing points (not shown) of the
La
Des références identiques ont été utilisées d'une figure à l'autre pour désigner des éléments identiques ou similaires.Identical references have been used from one figure to another to designate identical or similar elements.
L'emballage 100 présente deux premières parois 20,30 dressées par rapport à la partie de fond grâce à des lignes de pliage 21. Chacune des deux deuxièmes parois 22,32 et 23,33 est obtenue par union de deux rabats articulés à la partie de fond par des lignes de pliage 26. Des languettes de solidarisation 11,12 permettent de renforcer la liaison des rabats, notamment par collage. Les deuxièmes parois 22,32 et 23,33 sont perpendiculaires aux deux premières parois 20,30.The
Le film thermorétractable 40 est ici sous forme de bande d'un seul tenant, de longueur et largeur données.The heat-
Le film thermorétractable 40 présente une longueur de recouvrement occupant toute la hauteur des premières parois 20,30 sur les côtés intérieurs, et recouvrant la partie de fond 10. En outre, le film 40 s'étend sur une longueur suffisante pour recouvrir quasiment toute la hauteur des premières parois 20,30 sur les côtés extérieurs.The heat-
Le film a une largeur supérieure à la largeur des parois 20, 30, de sorte que les coins de l'emballage sont clairement recouverts par le film 40. Les languette de solidarisation 11, 12 recouvrent en partie le film 40, ce qui contribue au maintien du contenu, une fois le film thermorétracté.The film has a width greater than the width of the
Le film est fixé de façon amovible par des points de colle (non représentés) au côté extérieur des premières parois 20,30 et au côté intérieur des premières parois 20,30, et façon relativement inamovible sur le côté intérieur des parois 20,30.The film is removably attached by glue points (not shown) to the outer side of the
Une fois que l'emballage 100 est rempli par un contenu, un utilisateur désolidarise les parties du film 40 fixées par des liaisons temporaires sur le côté extérieur des deux premières parois 20,30, puis recouvre le contenu par ces parties, et l'ensemble est convoyé dans une four afin de procéder à la thermorétractation du film 40 situé aussi bien dans la partie supérieure de l'emballage 100 (de remplissage) que sur les surfaces internes des deux premières parois 20,30 et de la partie de fond 10.Once the
Claims (10)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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FR1356986A FR3008684B1 (en) | 2013-07-16 | 2013-07-16 | PACKAGING COMPRISING AN ELEMENT IN SEMI RIGID MATERIAL AND A THERMORETRACTABLE FILM. |
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EP2829486A1 true EP2829486A1 (en) | 2015-01-28 |
EP2829486B1 EP2829486B1 (en) | 2016-07-27 |
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EP14174096.9A Active EP2829486B1 (en) | 2013-07-16 | 2014-06-26 | Packaging comprising a semi-rigid material and a heat-shrinkable film, blank and method of manufacture |
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RU2794188C2 (en) * | 2018-03-30 | 2023-04-12 | Газтранспорт Эт Технигаз | Pre-assembled unit |
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WO2019186083A1 (en) * | 2018-03-30 | 2019-10-03 | Gaztransport Et Technigaz | Pre-assembly of parts |
CN112135712A (en) * | 2018-03-30 | 2020-12-25 | 气体运输技术公司 | Pre-assembly of components |
RU2794188C2 (en) * | 2018-03-30 | 2023-04-12 | Газтранспорт Эт Технигаз | Pre-assembled unit |
CN112135712B (en) * | 2018-03-30 | 2023-08-04 | 气体运输技术公司 | Preassembly of components |
Also Published As
Publication number | Publication date |
---|---|
EP2829486B1 (en) | 2016-07-27 |
FR3008684B1 (en) | 2015-08-21 |
FR3008684A1 (en) | 2015-01-23 |
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