EP1473238A1 - Packaging system with shrink film retainer - Google Patents
Packaging system with shrink film retainer Download PDFInfo
- Publication number
- EP1473238A1 EP1473238A1 EP04356028A EP04356028A EP1473238A1 EP 1473238 A1 EP1473238 A1 EP 1473238A1 EP 04356028 A EP04356028 A EP 04356028A EP 04356028 A EP04356028 A EP 04356028A EP 1473238 A1 EP1473238 A1 EP 1473238A1
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- EP
- European Patent Office
- Prior art keywords
- shrinkable
- heat
- sheets
- box
- sheet
- 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.)
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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
- B65D5/32—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 having bodies formed by folding and interconnecting two or more blanks each blank forming a body part, whereby each body part comprises at least one outside face of the box, carton or tray
- B65D5/326—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 having bodies formed by folding and interconnecting two or more blanks each blank forming a body part, whereby each body part comprises at least one outside face of the box, carton or tray at least one container body part formed by folding a single blank to a permanently assembled tube
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B53/00—Shrinking wrappers, containers, or container covers during or after packaging
- B65B53/02—Shrinking wrappers, containers, or container covers during or after packaging by heat
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B7/00—Closing containers or receptacles after filling
- B65B7/16—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons
- B65B7/162—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons by feeding web material to securing means
- B65B7/167—Securing by heat-shrinking
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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 present invention relates, in general, to the field of packaging of products inside cardboard boxes, for the preparation and shipment of product orders. More particularly, this invention refers to a product packaging system with film registration retractable, which covers all the products arranged inside a cardboard box, and which ensures, after its retraction, the maintenance of these products against each other, and against the bottom of the box. Even more especially, the invention is concerned with a packaging system which uses cardboard boxes comprising a cardboard bottom and side belt, and heat-shrinkable sheets connected by one of their edges in the region of the junction between the bottom of the crate and at least two sides of the side belt of this box.
- the two sheets of plastic material extend inside the cashier, from their respective areas of connection to this cashier.
- the initially free parts of the two plastic sheets are first folded outwards, above the upper edge of the belt side of the box.
- the initially free parts of the two sheets of material are brought back inside the box, above the products previously laid, where these leaves will overlap. Both leaves are then welded to each other, in their overlapping zone, in order to form a single film covering all the products.
- the application of heat for welding also causes the shrinkage of this film, in order to grip all the products.
- the checkout can be closed by a cardboard lid or cap.
- the outer parts of the two sheets heat-shrinkable which are usually not maintained, hang freely and may take more or less abnormal positions, possibly by disengaging incompletely the upper opening of the box, so that they constitute an inconvenience for the operator filling this crate.
- These hanging parts may also disturb the good circulation of the crate on a conveyor.
- the present invention aims to eliminate all of these disadvantages, in particular for the purpose of improving productivity, and while guaranteeing a reliable calibration of the packaged products.
- a goal Another object of the invention is to protect these products from heat when the heat-shrinking operation of the film.
- the subject of the invention is essentially a system shrink film packaging, of the kind specified in introduction, in which it is provided, in addition to the sheets heat shrink connected to the region of the junction between the bottom of the crate and side belt of this crate, a heat-shrinkable foil additional, brought to the level of the upper part of the lateral belt or products and joined by welding to the previous sheets heat-shrinkable, to form a single film, which is shrunk onto the products arranged inside the body, to ensure their rigging.
- the additional heat-shrinkable sheet has a rectangular shape, corresponding to the horizontal section of the box in cardboard.
- the additional heat-shrinkable sheet is welded the first two heat-shrinkable sheets following two parallel lines, so as to form, by joining the three sheets, a continuous strip shrink.
- the orientation directions of these three sheets are coordinated, especially in the transverse direction of the checkout.
- the additional heat-shrinkable sheet can be joined to first heat-shrinkable sheets by continuous welding lines; the meeting these leaves forms, in this case, a single film with continuous surface.
- the additional heat-shrinkable sheet is joined to the first heat-shrinkable sheets by welding lines discontinuous; thus are formed, after retraction of the film, lines of least resistance that can facilitate access to packaged products without cutting tool, so without risk of injury or damage to these products.
- the additional heat-shrinkable sheet may be a sheet of same nature, thickness and color as the first leaves heat shrink, which makes it possible to form a homogeneous film by meeting all these sheets.
- a thermal protection sheet is interposed between all the products arranged inside the box, on the one hand, and the continuous film formed by the union of leaves heat-shrinkable, on the other hand.
- the protective sheet thermal device has a rectangular shape, in correspondence with the horizontal section of the cardboard box and with the surface of the sheet additional heat shrink.
- this protective sheet thermal must be able to marry the shape of packaged products.
- the present invention also relates to the method of implementation of this additional heat-shrinkable sheet and, where appropriate, of the thermal protection.
- thermal protection sheet In the case where a thermal protection sheet has to be intercalated, it is brought inside the box, after the introduction of the products to be packaged and before the supply of the heat-shrinkable sheet additional.
- parts of the first heat-shrinkable sheets, folded against the outside of the corresponding faces of the lateral belt of the body, are temporarily held against the outside of these faces by gluing or by pinching, at least during the introduction phase of the products to condition.
- the supply of the additional heat-shrinkable sheet is feasible by unrolling a heat-shrinkable film reel, and cutting this film above a location receiving the crate, especially above of a conveyor.
- the supply of this sheet is also feasible by unwinding a coil of strip of protective material, and by cutting this strip over a location receiving the crate, especially above the conveyor. This constitutes a station for laying the thermal protection sheet, the supply of this thermal protection sheet being made before the supply and welding of the additional heat-shrinkable sheet.
- the packaging system illustrated in the drawing uses a box in carton 1, of parallelepipedal general shape, which comprises: a bottom rectangular 2; a lateral belt 3 forming the four vertical faces of the box 1, two large opposite vertical faces 4 and two small opposite vertical faces 5; a rectangular headdress 6, closing the body 1 in its upper part.
- the rectangular bottom 2 has, on its edges, two flaps longitudinal 7 and two transverse flaps 8, which are raised and applied, respectively, against the lower parts of the large faces 4 and small faces 5 of the lateral belt 3.
- the flaps 7 and 8 are here applied, and fixed by gluing, on the outer side of the lateral belt 3.
- Two rectangular sheets 9 and 10, made of plastic heat-shrinkable, are respectively bounded, by their border zones, the junction regions of the bottom 2 of the body 1 and the two large faces opposite sides 4 of the lateral belt 3.
- the border areas of the two sheets 9 and 10 are folded under the edges lower corresponding large faces 4 of the lateral belt 3, and these folded edge areas are fixed, in particular pinched and glued, between said large faces 4 and the flaps 7 corresponding, raised, bottom 2.
- the collage of border areas of the two sheets 9 and 10 against the outside of large 4 faces of the side belt 3 is made before the establishment and the collage bottom 2 at the base of the side belt 3.
- Figure 2 shows the box 1 as it stands at the exit of the formeuse machine, with its two sheets 9 and 10 fixed as it comes to be indicated, and extending inside this box 1, the cap being not still laid so that the body 1 is open at its upper part.
- the protective sheet 13 is introduced through the upper opening of the body 1, and placed above the whole products 12.
- the body 1 is closed by the setting up, at the top, of the cap 6.
- This cap 6 is in particular glued to the top of the lateral belt 3, by its longitudinal flaps 15 and transversals 16 (see FIGS. 5, 3 and 9).
- Figures 10 and 11 show two sections of this conveyor 17, on which are operated respectively the laying of the sheet of thermal protection 13, then the laying of the additional sheet 14 in heat-shrinkable plastic material.
- This item includes, in particular, guide rolls 19 of the unwound sheet 13, a drawing member 20 the end of this sheet 13, and a cutting member 21 of said sheet 13, which cuts it into rectangular portions adapted to the dimensions of the cashier 1.
- the additional sheet laying station 14 made of plastic heat-shrinkable, placed downstream of the station for laying the protective sheet, unwinds a coil 22 of heat-shrinkable film disposed on a the conveyor 17.
- This item includes, in particular, rollers 23 of guiding the sheet 14 unwound, a member 24 draw the end of this sheet 14, and a cutting member 25 of said sheet 14, which cuts it into rectangular portions of suitable dimensions.
- the position includes means adapted for welding the additional sheet 14 on both first sheets 9 and 10 already in place, these welding means being for example constituted by two parallel heating ramps 26 and 27.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Packages (AREA)
- Basic Packing Technique (AREA)
Abstract
Description
La présente invention concerne, de façon générale, le domaine de l'emballage de produits à l'intérieur de caisses en carton, pour la préparation et l'expédition de commandes de produits. Plus particulièrement, cette invention se rapporte à un système d'emballage de produits avec calage par un film rétractable, qui recouvre l'ensemble des produits disposés à l'intérieur d'une caisse en carton, et qui assure, après sa rétraction, le maintien de ces produits les uns contre les autres, et aussi contre le fond de la caisse. Encore plus spécialement, l'invention s'intéresse à un système d'emballage qui utilise des caisses en carton comprenant un fond et une ceinture latérale en carton, et des feuilles en matière thermorétractable raccordées, par l'un de leurs bords, dans la région de la jonction entre le fond de la caisse et au moins deux côtés de la ceinture latérale de cette caisse.The present invention relates, in general, to the field of packaging of products inside cardboard boxes, for the preparation and shipment of product orders. More particularly, this invention refers to a product packaging system with film registration retractable, which covers all the products arranged inside a cardboard box, and which ensures, after its retraction, the maintenance of these products against each other, and against the bottom of the box. Even more especially, the invention is concerned with a packaging system which uses cardboard boxes comprising a cardboard bottom and side belt, and heat-shrinkable sheets connected by one of their edges in the region of the junction between the bottom of the crate and at least two sides of the side belt of this box.
Un tel système d'emballage est connu, en particulier, par le brevet français 2 589 444 et aussi par le brevet français 2 593 781.Such a packaging system is known, in particular, by the patent French 2,589,444 and also by French Patent 2,593,781.
Dans les systèmes décrits par ces deux documents, il est prévu deux feuilles en matière plastique thermorétractable, qui sont raccordées respectivement, par leurs zones de bordure, aux régions de jonction du fond de la caisse et de deux faces opposées de la ceinture latérale de la caisse.In the systems described by these two documents, it is envisaged two sheets of heat-shrinkable plastic, which are connected respectively, by their border zones, to the junction regions of the bottom of the body and two opposite sides of the lateral belt of the body.
Les deux feuilles de matière plastique s'étendent à l'intérieur de la caisse, à partir de leurs zones respectives de raccordement à cette caisse. Pour effectuer le remplissage de l'emballage avec les produits à conditionner, les parties initialement libres des deux feuilles de matière plastique sont d'abord rabattues vers l'extérieur, au-dessus du bord supérieur de la ceinture latérale de la caisse. Après remplissage de la caisse avec les produits à conditionner, les parties initialement libres des deux feuilles de matière plastique sont ramenées vers l'intérieur de la caisse, au-dessus des produits précédemment posés, où ces feuilles vont se chevaucher. Les deux feuilles sont alors soudées l'une à l'autre, dans leur zone de chevauchement, de manière à former un film unique recouvrant l'ensemble des produits. L'application de chaleur pour la soudure provoque aussi la rétraction de ce film, de manière à enserrer l'ensemble des produits. Enfin, la caisse peut être fermée par un couvercle ou une coiffe en carton.The two sheets of plastic material extend inside the cashier, from their respective areas of connection to this cashier. To fill the packaging with the products to be packaged, the initially free parts of the two plastic sheets are first folded outwards, above the upper edge of the belt side of the box. After filling the crate with the products to condition, the initially free parts of the two sheets of material are brought back inside the box, above the products previously laid, where these leaves will overlap. Both leaves are then welded to each other, in their overlapping zone, in order to form a single film covering all the products. The application of heat for welding also causes the shrinkage of this film, in order to grip all the products. Finally, the checkout can be closed by a cardboard lid or cap.
Comme on le comprend aisément, un tel système d'emballage, utilisant deux feuilles thermorétractables raccordées respectivement à deux côtés opposés de la caisse, nécessite des feuilles thermorétractables d'une longueur suffisante pour qu'elles puissent se rejoindre et se chevaucher, au-dessus des produits amenés à l'intérieur de la caisse. Il en résulte que, lorsque les deux feuilles sont rabattues à l'extérieur en vue du remplissage de la caisse avec les produits à conditionner, les parties extérieures des deux feuilles sont elles-mêmes de longueur importante, ce qui comporte divers inconvénients :As is easily understood, such a packaging system, using two heat-shrinkable sheets respectively connected to two opposite sides of the body, requires heat-shrinkable sheets of long enough for them to meet and overlap, above the products brought inside the box. It follows that, when the two leaves are folded outside for the filling of the box with the products to be packaged, the outer parts of both leaves are themselves of considerable length, which includes various disadvantages:
D'une part, les parties extérieures des deux feuilles thermorétractables, qui ne sont habituellement pas maintenues, pendent librement et peuvent prendre des positions plus ou moins anormales, éventuellement en dégageant incomplètement l'ouverture supérieure de la caisse, de sorte qu'elles constituent une gêne pour l'opérateur qui procède au remplissage de cette caisse. Ces parties pendantes risquent aussi de perturber la bonne circulation de la caisse sur un convoyeur.On the one hand, the outer parts of the two sheets heat-shrinkable, which are usually not maintained, hang freely and may take more or less abnormal positions, possibly by disengaging incompletely the upper opening of the box, so that they constitute an inconvenience for the operator filling this crate. These hanging parts may also disturb the good circulation of the crate on a conveyor.
D'autre part, l'opération consistant à ramener les deux feuilles vers l'intérieur de la caisse, au-dessus des produits posés et en chevauchement, constitue une manipulation assez importante, qui demande du temps, cette opération restant entièrement manuelle.On the other hand, the operation of bringing the two leaves back to inside the body, above the laid and overlapping products, is a fairly important manipulation, which takes time, this operation remaining entirely manual.
De plus, lorsque les feuilles thermorétractables sont provisoirement rabattues à l'extérieur de la caisse, et si la hauteur des parties pendantes des feuilles est importante, il existe la possibilité que ces parties des feuilles recouvrent des étiquettes apposées sur la ceinture de la caisse, et gênent ainsi la lecture de ces étiquettes.In addition, when heat-shrinkable sheets are provisionally folded outside the box, and if the height of the hanging parts of leaves is important, there is the possibility that these parts of the leaves cover labels affixed to the belt of the body, and thus reading these labels.
Ces inconvénients se traduisent par une diminution de la productivité, pour l'opération de remplissage des caisses et de mise sous film thermorétractable des produits à conditionner. Il peut aussi en résulter un calage insuffisant des produits, lorsque les feuilles sont mal rabattues avant leur soudage et leur rétraction.These disadvantages result in a decrease in the productivity, for the operation of filling the crates and setting the film heat-shrinkable products to be packaged. It can also result in Insufficient stalling of the products, when the leaves are badly folded before their welding and retraction.
La présente invention vise à éliminer l'ensemble de ces inconvénients, en particulier dans un but d'amélioration de la productivité, et tout en garantissant un calage fiable des produits conditionnés. Un but supplémentaire de l'invention est de protéger ces produits de la chaleur, lors de l'opération de thermorétraction du film.The present invention aims to eliminate all of these disadvantages, in particular for the purpose of improving productivity, and while guaranteeing a reliable calibration of the packaged products. A goal Another object of the invention is to protect these products from heat when the heat-shrinking operation of the film.
A cet effet, l'invention a essentiellement pour objet un système d'emballage de produits avec calage par film rétractable, du genre précisé en introduction, dans lequel il est prévu, en complément des feuilles en matière thermorétractable raccordées à la région de la jonction entre le fond de la caisse et la ceinture latérale de cette caisse, une feuille thermorétractable additionnelle, amenée au niveau de la partie supérieure de la ceinture latérale ou des produits et réunie par soudage aux précédentes feuilles thermorétractables, pour former un film unique, qui est rétracté sur les produits disposés à l'intérieur de la caisse, pour assurer leur calage.For this purpose, the subject of the invention is essentially a system shrink film packaging, of the kind specified in introduction, in which it is provided, in addition to the sheets heat shrink connected to the region of the junction between the bottom of the crate and side belt of this crate, a heat-shrinkable foil additional, brought to the level of the upper part of the lateral belt or products and joined by welding to the previous sheets heat-shrinkable, to form a single film, which is shrunk onto the products arranged inside the body, to ensure their rigging.
De préférence, la feuille thermorétractable additionnelle possède une forme rectangulaire, correspondant à la section horizontale de la caisse en carton.Preferably, the additional heat-shrinkable sheet has a rectangular shape, corresponding to the horizontal section of the box in cardboard.
Dans le cas habituel d'une caisse en carton pourvue de deux feuilles thermorétractables, raccordées respectivement dans la région de la jonction entre le fond de la caisse et deux faces opposées de la ceinture latérale de cette caisse, la feuille thermorétractable additionnelle est soudée aux deux premières feuilles thermorétractables suivant deux lignes parallèles, de manière à former, par la réunion des trois feuilles, une bande continue thermorétractable.In the usual case of a cardboard box provided with two heat-shrinkable sheets, respectively connected in the region of the junction between the bottom of the body and two opposite sides of the belt side of this box, the additional heat-shrinkable sheet is welded the first two heat-shrinkable sheets following two parallel lines, so as to form, by joining the three sheets, a continuous strip shrink.
Dans la mesure où les trois feuilles utilisées sont constituées en matière plastique thermorétractable mono-orientée, les sens d'orientation de ces trois feuilles sont coordonnés, en particulier dans le sens transversal de la caisse.Since the three sheets used are made of mono-oriented heat-shrinkable plastic material, the orientation directions of these three sheets are coordinated, especially in the transverse direction of the checkout.
La feuille thermorétractable additionnelle peut être réunie aux premières feuilles thermorétractables par des lignes de soudage continues ; la réunion de ces feuilles forme, dans ce cas, un film unique à surface continue.The additional heat-shrinkable sheet can be joined to first heat-shrinkable sheets by continuous welding lines; the meeting these leaves forms, in this case, a single film with continuous surface.
Dans une variante, la feuille thermorétractable additionnelle est réunie aux premières feuilles thermorétractables par des lignes de soudage discontinues ; ainsi sont formées, après rétraction du film, des lignes de moindre résistance qui peuvent faciliter l'accès aux produits emballés, sans outil coupant, donc sans risque de se blesser ou d'abímer ces produits.In a variant, the additional heat-shrinkable sheet is joined to the first heat-shrinkable sheets by welding lines discontinuous; thus are formed, after retraction of the film, lines of least resistance that can facilitate access to packaged products without cutting tool, so without risk of injury or damage to these products.
La feuille thermorétractable additionnelle peut être une feuille de même nature, épaisseur et couleur que les premières feuilles thermorétractables, ce qui permet de constituer un film homogène par la réunion de toutes ces feuilles.The additional heat-shrinkable sheet may be a sheet of same nature, thickness and color as the first leaves heat shrink, which makes it possible to form a homogeneous film by meeting all these sheets.
Toutefois, il peut aussi être avantageux d'utiliser une feuille thermorétractable additionnelle dont la nature et/ou l'épaisseur et/ou la couleur est différente de celles des premières feuilles thermorétractables. Une telle différenciation permet d'optimiser les coûts, et surtout les qualités requises pour une bonne rétraction du film ; en particulier, le recours à une feuille additionnelle de couleur sombre favorise la rétraction de cette feuille, dans un tunnel à infrarouge.However, it can also be advantageous to use a sheet additional heat shrink, the nature and / or thickness and / or color is different from those of the first heat-shrinkable sheets. Such a differentiation makes it possible to optimize costs, and especially the required qualities for a good retraction of the film; in particular, the use of a leaf addition of dark color promotes the retraction of this leaf, in a infrared tunnel.
Selon un mode de mise en oeuvre du système d'emballage objet de l'invention, une feuille de protection thermique, notamment en papier, est intercalée entre l'ensemble des produits disposés à l'intérieur de la caisse, d'une part, et le film continu formé par la réunion des feuilles thermorétractables, d'autre part. En particulier, la feuille de protection thermique possède une forme rectangulaire, en correspondance avec la section horizontale de la caisse en carton et avec la surface de la feuille thermorétractable additionnelle. Bien entendu, cette feuille de protection thermique doit être capable d'épouser la forme des produits emballés.According to one embodiment of the packaging system object of the invention, a thermal protection sheet, especially made of paper, is interposed between all the products arranged inside the box, on the one hand, and the continuous film formed by the union of leaves heat-shrinkable, on the other hand. In particular, the protective sheet thermal device has a rectangular shape, in correspondence with the horizontal section of the cardboard box and with the surface of the sheet additional heat shrink. Of course, this protective sheet thermal must be able to marry the shape of packaged products.
La présente invention concerne aussi le procédé de mise en oeuvre de cette feuille thermorétractable additionnelle et, le cas échéant, de la feuille de protection thermique.The present invention also relates to the method of implementation of this additional heat-shrinkable sheet and, where appropriate, of the thermal protection.
Ainsi, selon un autre aspect de l'invention, celle-ci a pour objet un procédé de constitution d'un emballage de produits avec calage par film rétractable, du genre ici concerné, dans lequel, partant d'une caisse en carton pré-formée, successivement :
- on rabat, au-dessus du bord supérieur des faces de la ceinture latérale en carton de la caisse, encore dépourvue de sa coiffe, les parties initialement libres de feuilles thermorétractables raccordées à la région de la jonction entre le fond de la caisse et la ceinture latérale de cette caisse,
- on introduit les produits à conditionner à l'intérieur de la caisse,
- on amène au-dessus de la caisse ou dans celle-ci la feuille thermorétractable additionnelle,
- on soude la feuille thermorétractable additionnelle aux premières feuilles thermorétractables, au niveau de la partie supérieure des faces correspondantes de la ceinture latérale, ou au-dessus des produits disposés à l'intérieur de la caisse, de manière à former un film unique continu, et
- on procède à la rétraction de ce film, par chauffage, de manière à le serrer sur l'ensemble des produits disposés à l'intérieur de la caisse.
- the parts initially free of heat-shrinkable sheets connected to the region of the junction between the bottom of the body and the belt are folded over the upper edge of the sides of the cardboard lateral belt of the body, again without its cap; side of this box,
- we introduce the products to be packaged inside the box,
- the additional heat-shrinkable sheet is brought over or in the box
- the additional heat-shrinkable sheet is welded to the first heat-shrinkable sheets, at the top of the corresponding sides of the lateral belt, or above the products arranged inside the box, so as to form a continuous single film, and
- this film is shrunk by heating so as to tighten it on all the products arranged inside the box.
Les opérations de soudage de la feuille thermorétractable additionnelle aux premières feuilles thermorétractables, et de rétraction du film résultant de la réunion de ces feuilles, sont réalisées soit de façon successive, soit de façon simultanée ce qui est aisément envisageable dans la mesure où lesdites feuilles sont en matériau thermorétractable. The welding operations of the heat-shrinkable sheet additional to the first heat-shrinkable sheets, and shrink film resulting from the meeting of these sheets, are carried out either successively, at the same time, which is easily conceivable insofar as said sheets are of heat-shrinkable material.
Dans le cas où une feuille de protection thermique doit être intercalée, celle-ci est amenée à l'intérieur de la caisse, après l'introduction des produits à conditionner et avant l'amenée de la feuille thermorétractable additionnelle.In the case where a thermal protection sheet has to be intercalated, it is brought inside the box, after the introduction of the products to be packaged and before the supply of the heat-shrinkable sheet additional.
Selon un mode de mise en oeuvre préféré de ce procédé, les parties des premières feuilles thermorétractables, rabattues contre l'extérieur des faces correspondantes de la ceinture latérale de la caisse, sont maintenues temporairement contre l'extérieur de ces faces, par collage ou par pincement, au moins pendant la phase d'introduction des produits à conditionner.According to a preferred embodiment of this method, parts of the first heat-shrinkable sheets, folded against the outside of the corresponding faces of the lateral belt of the body, are temporarily held against the outside of these faces by gluing or by pinching, at least during the introduction phase of the products to condition.
L'amenée de la feuille thermorétractable additionnelle est réalisable par déroulage d'une bobine de film thermorétractable, et par découpe de ce film au-dessus d'un emplacement recevant la caisse, en particulier au-dessus d'un convoyeur. On constitue ainsi un poste de travail, qui non seulement assure le déroulage et la découpe du film stocké sur la bobine précitée, mais avantageusement réalise aussi le soudage de la feuille thermorétractable additionnelle aux premières feuilles thermorétractables.The supply of the additional heat-shrinkable sheet is feasible by unrolling a heat-shrinkable film reel, and cutting this film above a location receiving the crate, especially above of a conveyor. This creates a workstation that not only ensures unwinding and cutting of the film stored on the aforementioned coil, but advantageously also performs the welding of the heat-shrinkable sheet additional to the first heat-shrinkable sheets.
Dans le cas de l'utilisation d'une feuille de protection thermique, l'amenée de cette feuille est aussi réalisable par déroulage d'une bobine de bande en matériau protecteur, et par découpe de cette bande au-dessus d'un emplacement recevant la caisse, en particulier au-dessus du convoyeur. On constitue ainsi un poste de pose de la feuille de protection thermique, l'amenée de cette feuille de protection thermique se faisant avant l'amenée et le soudage de la feuille thermorétractable additionnelle.In the case of the use of a thermal protection sheet, the supply of this sheet is also feasible by unwinding a coil of strip of protective material, and by cutting this strip over a location receiving the crate, especially above the conveyor. This constitutes a station for laying the thermal protection sheet, the supply of this thermal protection sheet being made before the supply and welding of the additional heat-shrinkable sheet.
Dans l'ensemble, le système d'emballage, objet de l'invention, perfectionne considérablement les systèmes actuels rappelés en introduction, et il procure en particulier les avantages suivants :
- L'utilisation d'une feuille thermorétractable additionnelle permet de raccourcir les premières feuilles thermorétractables, qui ne doivent plus se chevaucher au-dessus des produits à conditionner, ce qui diminue la hauteur des parties extérieurement pendantes de ces feuilles, et évite ainsi la gêne constituée par ces parties pendantes.
- Cet avantage est encore renforcé dans le cas où les parties des premières feuilles thermorétractables, rabattues extérieurement, sont provisoirement maintenues contre les faces correspondantes de la ceinture latérale de la caisse.
- Le raccourcissement sensible des parties des premières feuilles thermorétractables, rabattues extérieurement, garantit aussi la visibilité des étiquettes portées par les faces latérales de la caisse.
- Compte tenu de la liaison par soudure des premières feuilles thermorétractables avec la feuille thermorétractable additionnelle, le film continu formé par la réunion de ces feuilles peut prendre place automatiquement à l'intérieur de la caisse, lors de sa rétraction, sans qu'il soit nécessaire de ramener des feuilles manuellement vers l'intérieur de la caisse.
- Les opérations de pose de la feuille thermorétractable additionnelle, et le cas échéant de la feuille de protection thermique, peuvent être aisément automatisées.
- Dans l'ensemble, compte tenu de tout ce qui précède, le système d'emballage objet de l'invention conduit à une augmentation importante de la productivité, sans que la qualité de calage des produits soit réduite.
- Enfin, dans le cas de l'utilisation d'une feuille de protection thermique, les produits placés à l'intérieur de la caisse sont protégés lors de l'opération de rétraction du film, dans le cas où ces produits pourraient se retrouver collés au film rétracté.
- The use of an additional heat-shrinkable sheet makes it possible to shorten the first heat-shrinkable sheets, which must not overlap over the products to be packaged, which reduces the height of the outwardly-hanging parts of these sheets, and thus avoids the discomfort by these hanging parts.
- This advantage is further enhanced in the case where the portions of the first heat-shrinkable sheets, folded outwardly, are temporarily held against the corresponding faces of the lateral belt of the body.
- The substantial shortening of the portions of the first heat-shrinkable sheets, folded externally, also ensures the visibility of the labels carried by the lateral faces of the body.
- In view of the connection by welding of the first heat-shrinkable sheets with the additional heat-shrinkable film, the continuous film formed by the joining of these sheets can take place automatically inside the body, during its retraction, without it being necessary. to bring leaves manually to the inside of the box.
- The laying operations of the additional heat-shrinkable sheet, and if necessary of the thermal protection sheet, can be easily automated.
- Overall, in view of all the foregoing, the packaging system object of the invention leads to a significant increase in productivity, without the quality of calibration products is reduced.
- Finally, in the case of the use of a thermal protection sheet, the products placed inside the box are protected during the retraction operation of the film, in the case where these products could be stuck to the shrink film.
L'invention sera mieux comprise à l'aide de la description qui suit,
en référence au dessin schématique annexé représentant, à titre d'exemple, un
mode d'exécution de ce système d'emballage de produits avec calage par film
rétractable :
Le système d'emballage illustré au dessin utiliser une caisse en
carton 1, de forme générale parallélépipédique, qui comprend : un fond
rectangulaire 2 ; une ceinture latérale 3 formant les quatre faces verticales de
la caisse 1, soit deux grandes faces verticales opposées 4 et deux petites
faces verticales opposées 5 ; une coiffe rectangulaire 6, fermant la caisse 1
dans sa partie supérieure.The packaging system illustrated in the drawing uses a box in
Le fond rectangulaire 2 comporte, sur ses bords, deux rabats
longitudinaux 7 et deux rabats transversaux 8, qui sont relevés et appliqués,
respectivement, contre les parties inférieures des grandes faces 4 et des
petites faces 5 de la ceinture latérale 3. Les rabats 7 et 8 sont ici appliqués,
et fixés par collage, sur le côté extérieur de la ceinture latérale 3.The
Deux feuilles rectangulaires 9 et 10, en matière plastique
thermorétractable, sont liées respectivement, par leurs zones de bordure,
aux régions de jonction du fond 2 de la caisse 1 et des deux grandes faces
opposées 4 de la ceinture latérale 3. A cet effet, d'une manière connue en soi,
les zones de bordure des deux feuilles 9 et 10 sont repliées sous les bords
inférieurs des grandes faces 4 correspondantes de la ceinture latérale 3, et ces
zones de bordure repliées sont fixées, en particulier pincées et collées, entre
lesdites grandes faces 4 et les rabats 7 correspondants, relevés, du fond 2.
Bien entendu, lors du processus de formation de la caisse 1, le collage des
zones de bordure des deux feuilles 9 et 10 contre l'extérieur des grandes
faces 4 de la ceinture latérale 3 est réalisé avant la mise en place et le collage
du fond 2 à la base de la ceinture latérale 3.Two
La figure 2 montre la caisse 1 telle qu'elle se présente à la sortie de
la machine formeuse, avec ses deux feuilles 9 et 10 fixées comme il vient
d'être indiqué, et s'étendant à l'intérieur de cette caisse 1, la coiffe n'étant pas
encore posée de sorte que la caisse 1 est ouverte à sa partie supérieure.
Partant de cette position, et en se référant aux schémas des figures
suivantes 3 à 9, on décrira maintenant la suite du processus, qui comprend le
remplissage de la caisse 1 en produits à conditionner, et le calage de ces
produits.Figure 2 shows the
Comme le montre la figure 3, les deux feuilles 9 et 10 en matière plastique thermorétractable sont d'abord relevées, contre les côtés intérieurs des grandes faces 4 de la ceinture latérale 3, et les parties terminales libres de ces deux feuilles 9 et 10 sont rabattues, au-dessus des bords supérieurs des deux faces 4, vers l'extérieur de ces deux faces 4. Les parties extérieures 9a et 10a des deux feuilles 9 et 10, venant alors devant les parties supérieures des deux faces 4 correspondantes de la ceinture latérale 3, sont maintenues contre l'extérieur de ces faces 4, en des points de liaison provisoire symbolisés en 11. Il s'agit, pour ces points de liaison 11 :
- soit de points de colle, réalisés avec une colle visqueuse n'assurant pas une adhérence trop forte ;
- soit de points de pincement, les parties
extérieures 9a et 10a des deux feuilles 9 et 10 étant maintenues dans des fentes, encoches ou empreintes appropriées, ménagées dans la zone supérieure des grandes faces 4 de la ceinture latérale 3 en carton.
- either glue points, made with a viscous glue not ensuring too strong adhesion;
- or pinch points, the
outer portions 9a and 10a of the two 9 and 10 being held in slots, notches or imprints, formed in the upper zone of the large faces 4 of thesheets lateral belt 3 cardboard.
On notera que la hauteur des parties extérieures 9a et 10a des
deux feuilles 9 et 10 reste ici relativement faible, grâce à un dimensionnement
approprié de ces deux feuilles 9 et 10.It will be noted that the height of the
Ensuite, comme l'illustre la figure 4, il est procédé au remplissage
de la caisse 1 avec des produits 12 à conditionner. Les produits 12 sont
introduits par l'ouverture supérieure de la caisse 1, bien dégagée grâce au
maintien des deux feuilles 9 et 10, et ces produits sont posés sur le fond 2 de
la caisse 1 et/ou empilés les uns sur les autres, sans dépasser le sommet de la
ceinture latérale 3.Then, as shown in Figure 4, the filling is done
of the
Après remplissage de la caisse 1 en produits 12, il est
éventuellement procédé, comme le montre la figure 5, à l'amenée et à la pose
d'une feuille facultative de protection thermique 13. De forme rectangulaire,
et constituée par exemple en papier, la feuille de protection 13 est introduite
par l'ouverture supérieure de la caisse 1, et posée au-dessus de l'ensemble
des produits 12.After filling the
Ensuite, et dans tous les cas, comme le montre la figure 6, il est
procédé à l'amenée et à la pose d'une troisième feuille 14 en matière plastique
thermorétractable, de même nature que les deux feuilles précitées 9 et 10.
De forme rectangulaire, la feuille thermorétractable additionnelle 14 est
amenée au niveau du bord supérieur de la ceinture latérale 3, de telle sorte
que les deux bords longitudinaux opposés de cette feuille 14 viennent se placer
au-dessus des plis supérieurs des deux premières feuilles 9 et 10, toujours
maintenues rabattues sur les bords supérieurs des deux faces opposées 4 de
la ceinture latérale 3. Il est alors procédé à la soudure des bords longitudinaux
de la feuille additionnelle 14 sur les zones des plis supérieurs correspondants
des deux premières feuilles 9 et 10. Ainsi, les trois feuilles 9, 10 et 14 sont
réunies en une bande unique continue de film thermorétractable, qui s'étend
au-dessus de l'ouverture supérieure de la caisse 1.Then, and in all cases, as shown in Figure 6, it is
method of supplying and installing a
Dans la phase suivante, illustrée sur les figures 7 et 8, il est
procédé, à l'aide de moyens de chauffage appropriés, à la rétraction du film
précédemment formé par la réunion des trois feuilles thermorétractables 9, 10
et 14. Le schéma de la figure 7 montre le début du processus de rétraction,
juste après la suppression ou l'arrachage des liaisons 11 précédemment
réalisées entre les deux premières feuilles 9 et 10 et les faces 4 de la ceinture
latérale 3. Le schéma de la figure 8 montre la fin du processus de rétraction,
le film constitué par la réunion des trois feuilles 9, 10 et 14 venant alors
enserrer l'ensemble des produits 12, avec interposition éventuelle de la feuille
de protection thermique 13, les produits 12 se trouvant ainsi calés à l'intérieur
de la caisse 1.In the next phase, illustrated in Figures 7 and 8, it is
process, using appropriate heating means, to retract the film
previously formed by the joining of the three heat-
A propos de cette opération de rétraction, on notera ce qui suit :
- Si l'on utilise des feuilles 9, 10 et 14 en matière plastique thermorétractable mono-orientée, telle que polyéthylène mono-orienté, les sens d'orientation de ces trois feuilles 9, 10 et 14 sont coordonnés, de manière à obtenir la rétraction voulue, dans le sens transversal.
- Malgré la longueur initiale de la bande, constituée par la réunion
des trois feuilles 9, 10
et 14, le rapport de rétraction du film est suffisamment important (de l'ordre de 5 à 1) pour garantir, après rétraction, l'application et le serrage du film sur l'ensemble des produits 12, même si cet ensemble de produits possède une faible hauteur, ce qui garantit dans tous les cas le calage convenable desdits produits 12. - En cas d'incorporation d'une feuille de
protection thermique 13, celle-ci assure efficacement une protection des produits 12 contre les effets de la chaleur, lors de l'opération de rétraction du film, ce qui a son importance pour des produits 12 ne devant pas être exposés à une chaleur excessive.
- If
9, 10 and 14 made of mono-oriented heat-shrinkable plastic material, such as mono-oriented polyethylene, are used, the orientation directions of these threesheets 9, 10 and 14 are coordinated so as to obtain the retraction. wanted, in the transverse direction.sheets - Despite the initial length of the strip consisting of the joining of the three
9, 10 and 14, the shrinkage ratio of the film is sufficiently large (of the order of 5 to 1) to guarantee, after shrinkage, the application and the tightening of the film on all thesheets products 12, even if this set of products has a low height, which guarantees in all cases the proper fitting of saidproducts 12. - In case of incorporation of a
thermal protection sheet 13, it effectively protects theproducts 12 against the effects of heat, during the retraction operation of the film, which is important forproducts 12 not to be exposed to excessive heat.
Enfin, après calage des produits 12, la caisse 1 est fermée par la
mise en place, à son sommet, de la coiffe 6. Cette coiffe 6 est en particulier
collée au sommet de la ceinture latérale 3, par ses rabats longitudinaux 15 et
transversaux 16 (voir figures 5, 3 et 9).Finally, after wedging the
Les opérations de remplissage de la caisse 1, de calage des
produits 12, et de finition de la formation de la caisse 1, s'effectuent le long d'un
convoyeur 17. Les figures 10 et 11 montrent deux tronçons de ce
convoyeur 17, sur lesquels sont opérées respectivement la pose de la feuille
de protection thermique 13, puis la pose de la feuille additionnelle 14 en
matière plastique thermorétractable.The operations of filling the
Le poste de pose de la feuille de protection thermique 13, montré
sur la figure 10, assure le déroulage d'une bobine 18 de feuille protectrice,
disposée sur un côté du convoyeur 17. Ce poste comprend, en particulier,
des rouleaux 19 de guidage de la feuille 13 déroulée, un organe 20 de tirage
de l'extrémité de cette feuille 13, et un organe 21 de coupe de ladite feuille 13,
qui la tronçonne en portions rectangulaires adaptées aux dimensions de la
caisse 1.The position of installation of the
D'une manière assez analogue, et comme le montre la figure 11, le
poste de pose de la feuille additionnelle 14 en matière plastique
thermorétractable, placé en aval du poste de pose de la feuille protectrice,
assure le déroulage d'une bobine 22 de film thermorétractable, disposée sur un
côté du convoyeur 17. Ce poste comprend, en particulier, des rouleaux 23 de
guidage de la feuille 14 déroulée, un organe 24 de tirage de l'extrémité de cette
feuille 14, et un organe 25 de coupe de ladite feuille 14, qui la tronçonne en
portions rectangulaires de dimensions adaptées. De plus, le poste comprend
des moyens adaptés pour le soudage de la feuille additionnelle 14 sur les deux
premières feuilles 9 et 10 déjà mises en place, ces moyens de soudage étant
par exemple constitués par deux rampes chauffantes parallèles 26 et 27.In a fairly similar way, and as shown in Figure 11, the
additional
L'on ne s'éloignerait pas du cadre de l'invention, telle que définie dans les revendications annexées :
- en réalisant la fixation temporaire des deux premières feuilles thermorétractables, sur les côtés extérieurs des faces correspondantes de la ceinture latérale, par tous moyens appropriés, ou même en renonçant à une telle fixation et en se contentant du maintien relatif assuré par le seul poids des parties pendantes de ces feuilles ;
- en appliquant le même système à un emballage utilisant plus de deux feuilles thermorétractables liées à la base de la caisse en carton, pourvu que soit aussi mise en oeuvre une feuille thermorétractable additionnelle, soudée aux premières feuilles ;
- en appliquant le système à un emballage dans lequel les premières feuilles thermorétractables sont liées à la base de la caisse en carton par tout mode de raccordement, et en tous points appropriés ;
- en utilisant une feuille de protection thermique en toute matière appropriée, et éventuellement en supprimant cette feuille protectrice ou en la combinant avec la feuille thermorétractable additionnelle;
- dans le procédé, en soudant la feuille additionnelle aux premières feuilles non pas au niveau de bord supérieur de la ceinture latérale de la caisse (comme l'illustre la figure 6), mais en réalisant cette soudure soit latéralement contre les faces extérieures de la ceinture, soit encore à l'intérieur de la caisse, au-dessus des produits venant d'y être introduits ; dans ce dernier cas, les premières feuilles sont ramenées vers l'intérieur de la caisse, avant d'y amener aussi la feuille additionnelle (ainsi posée d'une manière analogue à la feuille de protection thermique) ;
- en adaptant ou en modifiant l'outillage utilisé, par exemple en remplaçant les deux postes successifs, pour la pose de la feuille de protection thermique puis la pose de la feuille thermorétractable additionnelle (selon les figures 10 et 11), par une machine unique regroupant les fonctions de ces deux postes, ou en amenant la feuille thermorétractable additionnelle par déroulement et avance longitudinale au-dessus du convoyeur (au lieu d'une alimentation latérale et transversale).
- by temporarily fixing the first two heat-shrinkable sheets, on the outer sides of the corresponding sides of the lateral belt, by any appropriate means, or even by waiving such a fixation and by contenting itself with the relative maintenance provided by the weight of the parts alone hanging from these leaves;
- applying the same system to a package using more than two heat-shrinkable sheets bonded to the base of the cardboard box, provided that an additional heat-shrinkable sheet is also used, welded to the first sheets;
- applying the system to a package in which the first heat-shrinkable sheets are bonded to the base of the cardboard box by any method of connection, and at all appropriate points;
- using a thermal protection sheet of any suitable material, and optionally removing this protective sheet or combining it with the additional heat-shrinkable sheet;
- in the process, by welding the additional sheet to the first sheets not at the upper edge of the lateral belt of the box (as shown in Figure 6), but by making this weld laterally against the outer faces of the belt , still inside the box, above the products just introduced; in the latter case, the first sheets are brought back inside the box, before also bringing the additional sheet (thus laid in a manner similar to the thermal protection sheet);
- by adapting or modifying the tooling used, for example by replacing the two successive stations, for laying the thermal protection sheet and then laying the additional heat-shrinkable sheet (according to FIGS. 10 and 11) by a single machine grouping together the functions of these two stations, or by bringing the additional heat-shrinkable foil by unrolling and longitudinal advance over the conveyor (instead of a lateral and transverse feed).
Claims (18)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0305257 | 2003-04-29 | ||
FR0305257A FR2854379B1 (en) | 2003-04-29 | 2003-04-29 | PRODUCT PACKAGING SYSTEM WITH RETRACTABLE FILM SETTING |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1473238A1 true EP1473238A1 (en) | 2004-11-03 |
EP1473238B1 EP1473238B1 (en) | 2006-06-14 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04356028A Expired - Lifetime EP1473238B1 (en) | 2003-04-29 | 2004-03-02 | Packaging system with shrink film retainer |
Country Status (6)
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US (1) | US7096647B2 (en) |
EP (1) | EP1473238B1 (en) |
AT (1) | ATE329840T1 (en) |
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ES (1) | ES2267022T3 (en) |
FR (1) | FR2854379B1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3008684A1 (en) * | 2013-07-16 | 2015-01-23 | Smurfit Kappa France | PACKAGING COMPRISING AN ELEMENT IN SEMI RIGID MATERIAL AND A THERMORETRACTABLE FILM. |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7478514B2 (en) * | 2007-05-14 | 2009-01-20 | Pearson Education, Inc. | Shipping container packing method using shrink wrap |
US10315829B2 (en) | 2012-09-14 | 2019-06-11 | Clearpak, Llc | Multi-layered suspension package assembly |
US9463915B2 (en) | 2013-10-28 | 2016-10-11 | John McDonald | Compressible packaging assembly |
US20150266642A1 (en) | 2014-03-21 | 2015-09-24 | John McDonald | Heat sealed packaging assemblies and methods of producing and using the same |
US10392156B2 (en) | 2017-04-10 | 2019-08-27 | John McDonald | Return shipping system |
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- 2003-04-29 FR FR0305257A patent/FR2854379B1/en not_active Expired - Fee Related
-
2004
- 2004-03-02 AT AT04356028T patent/ATE329840T1/en active
- 2004-03-02 EP EP04356028A patent/EP1473238B1/en not_active Expired - Lifetime
- 2004-03-02 ES ES04356028T patent/ES2267022T3/en not_active Expired - Lifetime
- 2004-03-02 DE DE602004001161T patent/DE602004001161T2/en not_active Expired - Lifetime
- 2004-03-30 US US10/811,957 patent/US7096647B2/en active Active
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EP0697338A1 (en) * | 1994-08-05 | 1996-02-21 | Otor | Package for a product of non specific shape, set of blanks, process and device for obtaining such a package |
FR2759672A1 (en) * | 1997-02-20 | 1998-08-21 | Otor Sa | BOX AND BLANK FOR THE PACKAGING OF AN ARTICLE OR A LOT OF ITEMS OF INDETERMINARY VOLUME |
JPH11105858A (en) * | 1997-10-03 | 1999-04-20 | Soretrac | Paper box for packing and packing method |
FR2769591A1 (en) * | 1997-10-09 | 1999-04-16 | Philippe Peauger | Shrink wrapped cardboard packaging carton |
Non-Patent Citations (1)
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PATENT ABSTRACTS OF JAPAN vol. 1999, no. 09 30 July 1999 (1999-07-30) * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3008684A1 (en) * | 2013-07-16 | 2015-01-23 | Smurfit Kappa France | PACKAGING COMPRISING AN ELEMENT IN SEMI RIGID MATERIAL AND A THERMORETRACTABLE FILM. |
EP2829486A1 (en) | 2013-07-16 | 2015-01-28 | Smurfit Kappa France | Packaging comprising a semi-rigid material and a heat-shrinkable film |
Also Published As
Publication number | Publication date |
---|---|
US20040245141A1 (en) | 2004-12-09 |
ATE329840T1 (en) | 2006-07-15 |
DE602004001161T2 (en) | 2007-04-19 |
DE602004001161D1 (en) | 2006-07-27 |
ES2267022T3 (en) | 2007-03-01 |
US7096647B2 (en) | 2006-08-29 |
FR2854379A1 (en) | 2004-11-05 |
EP1473238B1 (en) | 2006-06-14 |
FR2854379B1 (en) | 2005-07-15 |
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