EP2269913A1 - Envelope for packaging and protection of a container, consisting of a thermoretractable plastic shell - Google Patents

Envelope for packaging and protection of a container, consisting of a thermoretractable plastic shell Download PDF

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Publication number
EP2269913A1
EP2269913A1 EP10161913A EP10161913A EP2269913A1 EP 2269913 A1 EP2269913 A1 EP 2269913A1 EP 10161913 A EP10161913 A EP 10161913A EP 10161913 A EP10161913 A EP 10161913A EP 2269913 A1 EP2269913 A1 EP 2269913A1
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EP
European Patent Office
Prior art keywords
sleeve
packaging
film
opaque
window area
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
Application number
EP10161913A
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German (de)
French (fr)
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EP2269913B1 (en
Inventor
Eric Fresnel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sleever International Co SA
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Sleever International Co SA
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Publication date
Application filed by Sleever International Co SA filed Critical Sleever International Co SA
Priority to PL10161913T priority Critical patent/PL2269913T3/en
Publication of EP2269913A1 publication Critical patent/EP2269913A1/en
Application granted granted Critical
Publication of EP2269913B1 publication Critical patent/EP2269913B1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D23/00—Details of bottles or jars not otherwise provided for
    • B65D23/08—Coverings or external coatings
    • B65D23/0842—Sheets or tubes applied around the bottle with or without subsequent folding operations
    • B65D23/0878—Shrunk on the bottle
    • 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
    • B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
    • B65D25/54—Inspection openings or windows
    • B65D25/56—Inspection openings or windows with means for indicating level of contents

Definitions

  • the present invention relates to the packaging and protection of objects, and more particularly of containers, by means of an envelope constituted by a sleeve of heat-shrinkable plastic material intended to be retracted on the container.
  • the technique of packaging objects from a heat-shrinkable film made in the form of a sleeve has been used for thirty years, which is threaded onto the object or objects to be packaged and then heat-shrunk onto these objects.
  • the sleeve is obtained from a film which is folded on itself and closed by joining the two end areas concerned.
  • EP-1 790 578 A1 discloses a rotating heat-shrinkable plastic sleeve having one or two windows to distinguish indicia on the outer surface of the wrapped container.
  • the object of the invention is to design a packaging and protective envelope for a container using the perfectly controlled technique of heat-shrinking a sleeve on said container, and allowing, without breaking the protection of the product present in the container. against light radiation, a visual inspection from the outside, at least during the use of said product.
  • a packaging envelope and protection of a container constituted by a heat-shrinkable plastic sleeve. intended to be retracted onto the container, said sleeve being obtained from a film folded on itself and closed by joining the two end regions concerned, said envelope being remarkable in that the film constituting the sleeve is opaque to light on its entire surface except for a window area, and the aforementioned window area is covered, on the outer face of the sleeve, with a detachable adhesive strip which is opaque to light, the removal said adhesive strip giving access to the window area and allowing a direct visual observation of the product present inside the container.
  • the constituent film of the sleeve is a white film in the mass, coated, on its face which is intended to form the inner face of said sleeve, with an opaque agent layer conferring on said film a property barrier to light.
  • the window area is constituted by a coating interruption zone in the opaque agent layer.
  • the area coating interruption is arranged to form a narrow slit.
  • the constituent film of the sleeve is an opaque film in the mass, material having a light barrier property.
  • the window area is constituted by a cutout made in the wall of the sleeve, said cutout defining at least one through opening.
  • the cutout is arranged to form a narrow slot.
  • the window area is constituted by at least one line of microperforations made in the wall of the sleeve, said at least one line of microperforations defining a through opening after removal of the area concerned.
  • the line of microperforations is arranged to form a narrow slot.
  • the detachable adhesive strip is in addition a tear strip, the removal of said strip realizing at the same time the access to the window area and removal of the area concerned. This then allows an overall removal in a single gesture perfectly ergonomic to access the window area.
  • the aforementioned narrow slot extends along a generatrix of the sleeve, or alternatively extends circumferentially over at least part of the periphery of the sleeve.
  • the detachable adhesive strip it can be provided that it is made from a white film in the mass, coated on its face which is turned towards the outer face of the sleeve, an opaque agent layer giving said strip a light barrier property.
  • the detachable adhesive strip may be made from a film opaque in the mass, material having a light barrier property.
  • the figure 1 illustrates a packaging and protective envelope of a container, which is constituted by a sleeve 10 of heat-shrinkable plastic material intended to be retracted onto the container.
  • the sleeve 10 is obtained from a film folded on itself, denoted 11, which is closed by securing, for example by heat sealing, of the two end areas concerned at a generatrix line 12.
  • the outer face of the sleeve is denoted 11.1, and the inner face of said sleeve is denoted 11.2.
  • the constituent film of the sleeve 10 is opaque to light over its entire surface except for a window area 13, and this window area 13 is covered, on the outer face 11.1 of the sleeve 10, by a detachable adhesive strip 14 which is opaque to light, the removal of said adhesive strip giving access to the window area 13 and allowing a direct visual observation of the product present inside the container.
  • the flat view of the figure 2 makes it possible to distinguish the wall 11 of the constituent film of the aforementioned sleeve 10, with its two end zones 12 'and 12 "which are normally in mutual overlap and in the sealing state before the sleeve is put in place on the container concerned .
  • the constituent film of the sleeve 10 may be a white film in the mass, coated, on its face which is intended to constitute the inner face 11.2 of the sleeve, a layer of opaque agent conferring auditory film a light barrier property.
  • This mode of execution is illustrated in Figures 3a and 3c , where the layer of opaque agent coating the inner face of the film 11 constituting the sleeve was noted.
  • the opaque agent may be of different colors (black, silver, gold).
  • the constituent film of the sleeve 10 may be an opaque film in the mass, material having a light barrier property. This variant is illustrated on the section of the figure 3b .
  • this window area is formed by a cut in the wall of the sleeve 10, said cutout defining then at least one through opening.
  • This possibility is illustrated on the Figures 3a and 3b , where there is a cutout 13 which is made in the wall of the film 11 constituting the sleeve, and which defines a through opening 18.
  • the through opening in question is here arranged in the form of a narrow slot, which slot extends in this case along a generatrix of the sleeve 10.
  • the detachable adhesive tape 14 it has been said that it must be opaque to light.
  • the film constituting the sleeve we can then provide to organize the opacity in the light of the detachable adhesive strip 14 is with a strip made from a white film in the mass, coated, on its side which is turned towards the outer face of the sleeve 10, d a layer of opaque agent imparting to said strip a light barrier property, as illustrated in FIG. Figure 3a or 3c said opaque agent layer being denoted 17, or alternatively with a strip made from an opaque film in the mass, of material having a light barrier property, as illustrated on FIG. figure 3b .
  • this face is in any case always coated with an adhesive (not shown on the figures) allowing its attachment to the wall of the constituent film of the sleeve, in overlap of the aforementioned window area 13 or 13 '.
  • the covering of the window area 13 or 13 'by the detachable adhesive strip 14 is very important in this case, because it is it that guarantees the preservation of the barrier against light radiation, and therefore the protection of the product present in the container. Therefore, for safety reasons, it will generally provide a detachable adhesive tape sizing slightly greater than that of the window area concerned.
  • a narrow slot 18 or 18 ' of rectangular shape, whose width will be for example of the order of 5 millimeters, and the height will be for example 50 to 60% of the height of the sleeve.
  • the detachable adhesive strip 14 will for example have a width of 8 millimeters in order to guarantee a lateral covering over the entire height of the slot, and a height which may concern the entire height of the sleeve, as this is illustrated here, with then a protruding projecting end 15 which facilitates the removal of said band.
  • a container 1 which can be a bottle, a bottle, or any type of container from the food, pharmaceutical, or medical field.
  • the detachable adhesive strip 14 completely masks the window area 13 or 13 ', so that the protection of the product present in the container 1 against light radiation is total.
  • the adhesive strip 14 has just been removed, which gives access to the aforementioned window area, with the definition of a narrow slot 18 or 18 'which allows a direct visual observation of the product present inside the container, and therefore a control either of the level of said product, of the presence thereof, or of the correct mixing thereof.
  • the narrow slot 18 or 18 ' which has just been described here has the shape of a thin rectangle arranged in height (according to a generatrix of the sleeve), but it goes without saying that one can provide other forms, or other variants in which the cutting of the wall, where the area of interruption of the coating in the opaque agent layer, defines a plurality of small window areas, for example, in a succession of dots or dashes (variants not shown here).
  • the window zone was constituted either by a cut-out made in the wall of the sleeve 10 or by a zone of interruption of the coating in the layer of opaque agent coating the internal face. said sleeve.
  • Such a variant is illustrated in Figures 6 to 10 .
  • the packaging and protective envelope differs from that just described with reference to Figures 1 to 5 in that the window area is constituted by at least one line of microperforations 13 "made in the wall of the sleeve 10, said at least one line of microperforations defining a through opening 18" after removal of the relevant area 19 ".
  • the presence of the detachable adhesive strip 14 ' whose primary function is to cover the window area 13 "in order to preserve the opacity to light, provides an immediately available means for effecting the removal of the affected area 19" delimited the detachable adhesive strip 14 'is advantageously in addition a tear strip, the removal of said strip simultaneously providing access to the window area 13 "and the removal of the relevant area 19 "above, this is illustrated in the Figures 9 and 10 the heat-shrunk shell 10 is distinguished on the container 1, respectively before and after removal of the releasable adhesive strip 14 'which is additionally a tear strip.
  • the narrow slot 18 " which here extends along a generatrix of the sleeve 10, may be made in the form of a plurality of windows, for example, a line consisting of circular dotted lines or dashes.
  • the detachable adhesive strip 14 ' which is opaque to light, can be made from a white film in the mass, coated, on its face which is turned towards the outer face of the sleeve 10, of a layer of opaque agent imparting to said strip a light barrier property, or alternatively be made from an opaque film in the mass, of material having a light barrier property.
  • FIG. 11 to 13 there is illustrated another variant in which the window area 13, 13 ', 13 "and the detachable adhesive strip 14, 14', 14" which covers it, do not extend either along a generatrix of the sleeve 10, but circumferentially, on at least part of the periphery of the sleeve 10.
  • the Figures 12 and 13 illustrate such an envelope retracted onto the container 1, respectively before and after removal of the detachable adhesive strip 14 or 14 '.
  • the narrow slot 18, 18 ', 18 " which extends circumferentially, only relates to a portion of the periphery of the sleeve, for example a portion limited to a third or a quarter thereof.
  • FIGS. Figures 14 to 16 provision may be made for an always circumferential arrangement, but for the entire periphery of the sleeve 10, as illustrated in FIGS. Figures 14 to 16 .
  • FIGS. Figures 14 to 16 On the Figures 15 and 16 , one thus distinguishes such an envelope variant, respectively before and after removal of the detachable adhesive strip 14 or 14 '.
  • the narrow slot 18, 18 ', 18 " which again extends in a circumferential direction, makes it possible to clear the entire circumference of the container in a 360 ° complete circular window.
  • Such an alternative circumferential arrangement will rather be used for the visual inspection of the presence of the product or of the correct miscibility of said product. product. Indeed, when it comes to controlling the level of a product, liquid or powder, inside the container, it will be preferable to use an arrangement extending along a generatrix of the sleeve, in accordance with the modes of previously described with reference to the Figures 1 to 10 .

Abstract

The wrapper has a heat-shrunk plastic material made sleeve (10) obtained from an opaque film (11) that is folded in half and looped by bonding two corresponding end zones of film. A window zone (13) is covered on an outer face (11.1) of the sleeve by a detachable adhesive strip (14) that is opaque to light, where the adhesive strip is removable to provide access to the window zone and enable substance i.e. liquid and powder, present inside the container to be observed directly through user's eye.

Description

La présente invention concerne l'emballage et la protection d'objets, et plus particulièrement de conteneurs, au moyen d'une enveloppe constituée par un manchon en matière plastique thermorétractable destiné à être rétracté sur le conteneur.The present invention relates to the packaging and protection of objects, and more particularly of containers, by means of an envelope constituted by a sleeve of heat-shrinkable plastic material intended to be retracted on the container.

ARRIERE PLAN DE L'INVENTIONBACKGROUND OF THE INVENTION

On utilise depuis une trentaine d'années la technique d'emballage d'objets à partir d'un film thermorétractable réalisé sous la forme d'un manchon, qui est enfilé sur le ou les objets à emballer puis thermorétracté sur ces objets. En général, le manchon est obtenu à partir d'un film qui est replié sur lui-même et fermé par solidarisation des deux zones d'extrémité concernées.The technique of packaging objects from a heat-shrinkable film made in the form of a sleeve has been used for thirty years, which is threaded onto the object or objects to be packaged and then heat-shrunk onto these objects. In general, the sleeve is obtained from a film which is folded on itself and closed by joining the two end areas concerned.

Pour illustrer cet arrière plan technologique, on pourra se reporter aux nombreux documents de brevet de la demanderesse, en particulier les documents EP-0 879 189 B1 , EP-1 082 256 B1 , EP-1 294 614 B1 , et EP-1 513 739 B1 .To illustrate this technological background, reference may be made to the applicant's numerous patent documents, in particular the documents EP-0 879 189 B1 , EP-1 082 256 B1 , EP-1 294 614 B1 , and EP-1 513 739 B1 .

On pourra également se référer au document EP-1 790 578 A1 qui décrit un manchon tournant en matière plastique thermorétractable, présentant une ou deux fenêtres qui permettent de distinguer des inscriptions ménagées sur la surface externe du conteneur enveloppé.We can also refer to the document EP-1 790 578 A1 which discloses a rotating heat-shrinkable plastic sleeve having one or two windows to distinguish indicia on the outer surface of the wrapped container.

L'arrière plan technologique est enfin illustré par le document DE-883 700 C qui illustre une étiquette collée par ses bords verticaux et dont la partie centrale est détachable.The technological background is finally illustrated by the document DE-883,700 C which illustrates a label stuck by its vertical edges and whose central part is detachable.

Dans plusieurs domaines, par exemple alimentaire, pharmaceutique ou médical, il est nécessaire de protéger le produit que renferme le conteneur des rayonnements lumineux, notamment les UV, et ce aussi bien dans le spectre du visible que de l'invisible, donc pour des longueurs d'onde allant jusqu'à 500 nm. On peut par exemple citer le domaine alimentaire avec les produits lactés, pour lesquels une barrière à la lumière est nécessaire afin de préserver la couleur, les composants vitaminés, et les propriétés organoleptiques des produits concernés. On peut également citer le domaine pharmaceutique ou médical, avec le conditionnement de produits de perfusion, de transfusion, ou de produits oncologiques. Il peut enfin également s'agir de produits à mélange extemporané.In several fields, for example food, pharmaceutical or medical, it is necessary to protect the product contained in the container light radiation, including UV, and this in both the spectrum of the visible than the invisible, so for lengths waveform up to 500 nm. We can for example mention the food field with dairy products, for which a barrier to light is necessary to preserve the color, vitamin components, and organoleptic properties of the products concerned. There may also be mentioned the pharmaceutical or medical field, with the packaging of infusion products, transfusion products, or oncological products. Finally, it can also be products with extemporaneous mixing.

Dans ces différents domaines, il peut s'avérer nécessaire de vouloir contrôler le niveau du produit dans le conteneur, ou la présence du produit, ou encore l'état d'un mélange de différents produits dont on veut vérifier la bonne miscibilité.In these different areas, it may be necessary to want to control the level of the product in the container, or the presence of the product, or the state of a mixture of different products whose proper miscibility is to be verified.

Malheureusement, les spécialistes sont confrontés à une difficulté, car il y a une antinomie entre la protection globale contre les rayonnements lumineux sur toute la surface latérale du conteneur, et la possibilité d'un contrôle visuel de présence de produit ou de niveau de produit dans ledit conteneur. A ce titre, il convient de noter qu'une ligne de microperforations définissant une fenêtre détachable suffirait à rompre la propriété de barrière à la lumière, et donc ne pourrait convenir.Unfortunately, there is a problem for specialists because there is an antinomy between the overall protection against light radiation on the entire lateral surface of the container, and the possibility of a visual check of product presence or product level in said container. As such, it should be noted that a line of microperforations defining a detachable window would be enough to break the light barrier property, and therefore could not be suitable.

OBJET DE L'INVENTIONOBJECT OF THE INVENTION

L'invention a pour objet de concevoir une enveloppe d'emballage et de protection d'un conteneur mettant en oeuvre la technique parfaitement maîtrisée de thermorétraction d'un manchon sur ledit conteneur, et permettant, sans rompre la protection du produit présent dans le conteneur contre les rayonnements lumineux, un contrôle visuel par l'extérieur, au moins lors de l'utilisation dudit produit.The object of the invention is to design a packaging and protective envelope for a container using the perfectly controlled technique of heat-shrinking a sleeve on said container, and allowing, without breaking the protection of the product present in the container. against light radiation, a visual inspection from the outside, at least during the use of said product.

DEFINITION GENERALE DE L'INVENTIONGENERAL DEFINITION OF THE INVENTION

Le problème technique précité est résolu conformément à l'invention grâce à une enveloppe d'emballage et de protection d'un conteneur, constituée par un manchon en matière plastique thermorétractable destiné à être rétracté sur le conteneur, ledit manchon étant obtenu à partir d'un film replié sur lui-même et fermé par solidarisation des deux zones d'extrémité concernées, ladite enveloppe étant remarquable en ce que le film constitutif du manchon est opaque à la lumière sur la totalité de sa surface à l'exception d'une zone de fenêtre, et la zone de fenêtre précitée est recouverte, sur la face externe du manchon, par une bande adhésive détachable qui est opaque à la lumière, l'enlèvement de ladite bande adhésive donnant accès à la zone de fenêtre et permettant une observation visuelle directe du produit présent à l'intérieur du conteneur.The aforementioned technical problem is solved according to the invention thanks to a packaging envelope and protection of a container, constituted by a heat-shrinkable plastic sleeve. intended to be retracted onto the container, said sleeve being obtained from a film folded on itself and closed by joining the two end regions concerned, said envelope being remarkable in that the film constituting the sleeve is opaque to light on its entire surface except for a window area, and the aforementioned window area is covered, on the outer face of the sleeve, with a detachable adhesive strip which is opaque to light, the removal said adhesive strip giving access to the window area and allowing a direct visual observation of the product present inside the container.

Ainsi, tant que la bande adhésive est présente sur le manchon, la protection du produit contre les rayonnements lumineux, notamment les UV, reste totale sur toute la périphérie du manchon, et, dès que la bande adhésive est enlevée, en particulier lors de l'utilisation, on obtient un moyen simple pour permettre un contrôle visuel du niveau du produit, ou de la présence dudit produit, dans le conteneur.Thus, as long as the adhesive strip is present on the sleeve, protection of the product against light radiation, in particular UV, remains total over the entire periphery of the sleeve, and as soon as the adhesive strip is removed, in particular when use, a simple means is obtained to allow visual control of the level of the product, or the presence of said product, in the container.

En particulier, lorsqu'il s'agit de conteneurs contenant des produits lactés, tels que des biberons, il devient possible de contrôler en cours d'utilisation le niveau du liquide présent dans le conteneur, avec éventuellement même l'observation d'une graduation préalablement imprimée au voisinage de la zone de fenêtre.In particular, when it comes to containers containing milk products, such as baby bottles, it becomes possible to control in use the level of the liquid present in the container, possibly with even the observation of a graduation previously printed in the vicinity of the window area.

Dans un premier mode d'exécution, le film constitutif du manchon est un film blanc dans la masse, revêtu, sur sa face qui est destinée à constituer la face interne dudit manchon, d'une couche d'agent opaque conférant audit film une propriété barrière à la lumière.In a first embodiment, the constituent film of the sleeve is a white film in the mass, coated, on its face which is intended to form the inner face of said sleeve, with an opaque agent layer conferring on said film a property barrier to light.

On pourra alors prévoir que la zone de fenêtre est constituée par une zone d'interruption du revêtement dans la couche d'agent opaque. En particulier, la zone d'interruption de revêtement est agencée pour former une fente étroite.It can then be provided that the window area is constituted by a coating interruption zone in the opaque agent layer. In particular, the area coating interruption is arranged to form a narrow slit.

Conformément à un autre mode d'exécution, le film constitutif du manchon est un film opaque dans la masse, en matériau présentant une propriété barrière à la lumière.According to another embodiment, the constituent film of the sleeve is an opaque film in the mass, material having a light barrier property.

Dans l'un ou l'autre des cas, on pourra prévoir que la zone de fenêtre est constituée par une découpe pratiquée dans la paroi du manchon, ladite découpe définissant au moins une ouverture traversante. En particulier, la découpe est agencée pour former une fente étroite.In either case, it may be provided that the window area is constituted by a cutout made in the wall of the sleeve, said cutout defining at least one through opening. In particular, the cutout is arranged to form a narrow slot.

En variante, on pourra prévoir que la zone de fenêtre est constituée par au moins une ligne de microperforations pratiquée dans la paroi du manchon, ladite au moins une ligne de microperforations définissant une ouverture traversante après enlèvement de la zone concernée. En particulier, la ligne de microperforations est agencée pour former une fente étroite.Alternatively, it can be provided that the window area is constituted by at least one line of microperforations made in the wall of the sleeve, said at least one line of microperforations defining a through opening after removal of the area concerned. In particular, the line of microperforations is arranged to form a narrow slot.

Dans le cas d'une zone de fenêtre constituée par au moins une ligne de microperforations, il est particulièrement avantageux de prévoir que la bande adhésive détachable est en plus une bande d'arrachage, l'enlèvement de ladite bande réalisant en même temps l'accès à la zone de fenêtre et l'enlèvement de la zone concernée. Ceci permet alors un enlèvement d'ensemble en un geste unique parfaitement ergonomique pour accéder à la zone de fenêtre.In the case of a window area constituted by at least one line of microperforations, it is particularly advantageous to provide that the detachable adhesive strip is in addition a tear strip, the removal of said strip realizing at the same time the access to the window area and removal of the area concerned. This then allows an overall removal in a single gesture perfectly ergonomic to access the window area.

On pourra prévoir dans tous les cas que la fente étroite précitée s'étend selon une génératrice du manchon, ou en variante s'étend circonférentiellement, sur une partie au moins de la périphérie du manchon.It can be provided in all cases that the aforementioned narrow slot extends along a generatrix of the sleeve, or alternatively extends circumferentially over at least part of the periphery of the sleeve.

Pour ce qui est de la bande adhésive détachable, on pourra prévoir que celle-ci est réalisée à partir d'un film blanc dans la masse, revêtu, sur sa face qui est tournée vers la face externe du manchon, d'une couche d'agent opaque conférant à ladite bande une propriété barrière à la lumière.With regard to the detachable adhesive strip, it can be provided that it is made from a white film in the mass, coated on its face which is turned towards the outer face of the sleeve, an opaque agent layer giving said strip a light barrier property.

En variante, la bande adhésive détachable pourra être réalisée à partir d'un film opaque dans la masse, en matériau présentant une propriété barrière à la lumière.Alternatively, the detachable adhesive strip may be made from a film opaque in the mass, material having a light barrier property.

D'autres caractéristiques et avantages de l'invention apparaitront plus clairement à la lumière de la description qui va suivre et du dessin annexé.Other features and advantages of the invention will appear more clearly in the light of the description which follows and the accompanying drawing.

BREVE DESCRIPTION DES DESSINSBRIEF DESCRIPTION OF THE DRAWINGS

Il sera fait référence aux figures du dessin annexé, où :

  • la figure 1 est une vue en perspective illustrant une enveloppe d'emballage et de protection conforme à l'invention, avec sa bande adhésive détachable opaque à la lumière qui masque une zone de fenêtre ;
  • la figure 2 est une vue en plan de la surface interne développée du manchon constitutif de l'enveloppe précitée ;
  • les figures 3a, 3b, 3c sont des coupes selon III-III de la figure 2, qui illustrent différentes variantes de réalisation pour la zone de fenêtre et pour la bande adhésive détachable qui la recouvre ;
  • la figure 4 illustre l'enveloppe d'emballage et de protection précitée thermorétractée sur un conteneur, et la figure 5 le même ensemble après enlèvement de la bande adhésive détachable ;
  • la figure 6 est une vue en perspective illustrant une variante de l'enveloppe d'emballage et de protection selon l'invention, dans laquelle la zone de fenêtre est constituée non plus par une découpe ou un enlèvement de revêtement opaque, mais par une ligne de microperforations, et dans laquelle aussi la bande adhésive détachable est en plus une bande d'arrachage ;
  • la figure 7 est une vue en plan analogue à celle de la figure 2, pour la face interne développée de l'enveloppe de la figure 6 ;
  • les figures 8a et 8b sont des coupes selon VIII-VIII de la figure 7, qui illustrent deux variantes d'agencement avec des microperforations ;
  • les figures 9 et 10 illustrent l'enveloppe d'emballage et de protection de la figure 6, thermorétractée sur un conteneur, respectivement avant et après enlèvement de la bande adhésive détachable qui est alors également une bande d'arrachage ;
  • la figure 11 est une vue en perspective illustrant encore une autre variante, avec un agencement dans lequel la zone de fenêtre s'étend non plus selon une génératrice du manchon, mais circonférentiellement ;
  • les figures 12 et 13 illustrent l'enveloppe d'emballage et de protection de la figure 11, thermorétractée sur un conteneur, respectivement avant et après enlèvement de la bande adhésive détachable ;
  • la figure 14 illustre en perspective une variante de la figure 11, dans laquelle la zone de fenêtre qui s'étend circonférentiellement concerne non plus une partie, mais la totalité de la périphérie du manchon ; et
  • les figures 15 et 16 illustrent l'enveloppe d'emballage et de protection de la figure 14, thermorétractée sur un conteneur, respectivement avant et après enlèvement de la bande adhésive détachable.
Reference will be made to the figures of the accompanying drawing, in which:
  • the figure 1 is a perspective view illustrating a packaging and protective envelope according to the invention, with its detachable adhesive tape opaque to light that masks a window area;
  • the figure 2 is a plan view of the developed inner surface of the sleeve constituting the aforementioned envelope;
  • the Figures 3a, 3b, 3c are cuts according to III-III of the figure 2 , which illustrate different embodiments for the window area and for the detachable adhesive strip which covers it;
  • the figure 4 illustrates the above-mentioned packaging and protective envelope heat-shrunk on a container, and the figure 5 the same set after removal of the detachable adhesive tape;
  • the figure 6 is a perspective view illustrating a variant of the packaging and protection envelope according to the invention, in which the window area is no longer constituted by a cut or removal of opaque coating, but by a line of microperforations, and wherein also the detachable adhesive tape is in addition a tear tape;
  • the figure 7 is a plan view similar to that of the figure 2 , for the developed inner side of the envelope of the figure 6 ;
  • the Figures 8a and 8b are cuts according to VIII-VIII of the figure 7 , which illustrate two alternative arrangements with microperforations;
  • the Figures 9 and 10 illustrate the packaging and protection envelope of the figure 6 , heat-shrunk on a container, respectively before and after removal of the detachable adhesive tape which is then also a tear tape;
  • the figure 11 is a perspective view illustrating yet another variant, with an arrangement in which the window area extends not further along a generatrix of the sleeve, but circumferentially;
  • the Figures 12 and 13 illustrate the packaging and protection envelope of the figure 11 heat-shrunk onto a container, respectively before and after removal of the releasable adhesive strip;
  • the figure 14 illustrates in perspective a variant of the figure 11 wherein the circumferentially extending window area is no longer a portion but the entire circumference of the sleeve; and
  • the Figures 15 and 16 illustrate the packaging and protection envelope of the figure 14 , heat-shrunk on a container, respectively before and after removal of the detachable adhesive tape.

DESCRIPTION DETAILLEE DU MODE DE REALISATION PREFEREDETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT

La figure 1 illustre une enveloppe d'emballage et de protection d'un conteneur, qui est constituée par un manchon 10 en matière plastique thermorétractable destiné à être rétracté sur le conteneur. Le manchon 10 est obtenu à partir d'un film replié sur lui-même, noté 11, qui est fermé par solidarisation, par exemple par scellage à chaud, des deux zones d'extrémité concernées au niveau d'une ligne de génératrice 12. La face externe du manchon est notée 11.1, et la face interne dudit manchon est notée 11.2.The figure 1 illustrates a packaging and protective envelope of a container, which is constituted by a sleeve 10 of heat-shrinkable plastic material intended to be retracted onto the container. The sleeve 10 is obtained from a film folded on itself, denoted 11, which is closed by securing, for example by heat sealing, of the two end areas concerned at a generatrix line 12. The outer face of the sleeve is denoted 11.1, and the inner face of said sleeve is denoted 11.2.

Conformément à l'invention, le film constitutif du manchon 10 est opaque à la lumière sur la totalité de sa surface à l'exception d'une zone de fenêtre 13, et cette zone de fenêtre 13 est recouverte, sur la face externe 11.1 du manchon 10, par une bande adhésive détachable 14 qui est opaque à la lumière, l'enlèvement de ladite bande adhésive donnant accès à la zone de fenêtre 13 et permettant une observation visuelle directe du produit présent à l'intérieur du conteneur.According to the invention, the constituent film of the sleeve 10 is opaque to light over its entire surface except for a window area 13, and this window area 13 is covered, on the outer face 11.1 of the sleeve 10, by a detachable adhesive strip 14 which is opaque to light, the removal of said adhesive strip giving access to the window area 13 and allowing a direct visual observation of the product present inside the container.

La vue à plat de la figure 2 permet de distinguer la paroi 11 du film constitutif du manchon 10 précité, avec ses deux zones d'extrémités 12' et 12" qui sont normalement en recouvrement mutuel et en état de scellage avant que le manchon ne soit mis en place sur le conteneur concerné.The flat view of the figure 2 makes it possible to distinguish the wall 11 of the constituent film of the aforementioned sleeve 10, with its two end zones 12 'and 12 "which are normally in mutual overlap and in the sealing state before the sleeve is put in place on the container concerned .

Ainsi que cela ressort des coupes des figures 3a, 3b, 3c, il est possible d'envisager de nombreux modes de réalisation à la fois pour conférer l'opacité requise à la lumière au film constitutif du manchon 10, et aussi pour agencer la zone de fenêtre précitée.As can be seen from the cuts of Figures 3a, 3b, 3c it is possible to envisage many embodiments both to impart the required opacity to light to the constituent film of the sleeve 10, and also to arrange the aforementioned window area.

Pour ce qui est de l'opacité à la lumière, le film constitutif du manchon 10 peut être un film blanc dans la masse, revêtu, sur sa face qui est destinée à constituer la face interne 11.2 du manchon, d'une couche d'agent opaque conférant audit film une propriété barrière à la lumière. Ce mode d'exécution est illustré aux figures 3a et 3c, où l'on a noté 16 la couche d'agent opaque revêtant la face interne du film 11 constitutif du manchon. L'agent opaque pourra être de différentes couleurs (noir, argent, or).With regard to opacity in the light, the constituent film of the sleeve 10 may be a white film in the mass, coated, on its face which is intended to constitute the inner face 11.2 of the sleeve, a layer of opaque agent conferring auditory film a light barrier property. This mode of execution is illustrated in Figures 3a and 3c , where the layer of opaque agent coating the inner face of the film 11 constituting the sleeve was noted. The opaque agent may be of different colors (black, silver, gold).

En variante, le film constitutif du manchon 10 peut être un film opaque dans la masse, en matériau présentant une propriété barrière à la lumière. Cette variante est illustrée sur la coupe de la figure 3b.Alternatively, the constituent film of the sleeve 10 may be an opaque film in the mass, material having a light barrier property. This variant is illustrated on the section of the figure 3b .

Pour ce qui est de la zone de fenêtre qui constitue une exception à la zone du manchon 10 qui est opaque à la lumière, on peut prévoir que cette zone de fenêtre est constituée par une découpe pratiquée dans la paroi du manchon 10, ladite découpe définissant alors au moins une ouverture traversante. Cette possibilité est illustrée sur les figures 3a et 3b, où l'on distingue une découpe 13 qui est pratiquée dans la paroi du film 11 constitutif du manchon, et qui définit ainsi une ouverture traversante 18. Comme cela est mieux visible sur la figure 2, l'ouverture traversante en question est ici agencée sous forme d'une fente étroite, laquelle fente s'étend en l'espèce selon une génératrice du manchon 10.With regard to the window area which is an exception to the area of the sleeve 10 which is opaque to light, it can be provided that this window area is formed by a cut in the wall of the sleeve 10, said cutout defining then at least one through opening. This possibility is illustrated on the Figures 3a and 3b , where there is a cutout 13 which is made in the wall of the film 11 constituting the sleeve, and which defines a through opening 18. As is better visible on the figure 2 the through opening in question is here arranged in the form of a narrow slot, which slot extends in this case along a generatrix of the sleeve 10.

Dans le cas de la présence d'un revêtement d'une face du film constitutif du manchon 10 au moyen d'une couche d'agent opaque 16 conférant audit film une propriété barrière à la lumière, on pourra prévoir une autre façon d'agencer la zone de fenêtre précitée, avec une zone de fenêtre constituée par une zone d'interruption du revêtement dans la couche d'agent opaque 16. Ceci est illustré sur la figure 3c, où l'on constate la présence d'une zone d'interruption de revêtement 13', qui est ici agencée pour former une fente étroite 18', dont le contour est en l'espèce identique à celui formé par la découpe 13 précitée. Là encore, la fente étroite 18' s'étend ici selon une génératrice du manchon 10.In the case of the presence of a coating of one side of the film constituting the sleeve 10 by means of a layer of opaque agent 16 imparting to said film a light-barrier property, provision can be made for another way of arranging the aforesaid window area, with a window area constituted by a coating interruption zone in the opaque agent layer 16. This is illustrated in FIG. figure 3c , where it is found the presence of a coating interruption zone 13 ', which is here arranged to form a narrow slot 18', the contour of which is in this case identical to that formed by the cut 13 mentioned above. Again, the narrow slot 18 'here extends along a generatrix of the sleeve 10.

Pour ce qui est de la bande adhésive détachable 14, on a dit que celle-ci doit être opaque à la lumière. Comme pour le film constitutif du manchon, on pourra alors prévoir d'organiser l'opacité à la lumière de la bande adhésive détachable 14 soit avec une bande réalisée à partir d'un film blanc dans la masse, revêtu, sur sa face qui est tournée vers la face externe du manchon 10, d'une couche d'agent opaque conférant à ladite bande une propriété barrière à la lumière, comme cela est illustré sur la figure 3a ou 3c, ladite couche d'agent opaque étant notée 17, soit en variante avec une bande réalisée à partir d'un film opaque dans la masse, en matériau présentant une propriété barrière à la lumière, comme cela est illustrée sur la figure 3b. Dans tous les cas, que la face concernée d'application de la bande adhésive détachable 14 soit ou non revêtue d'une couche d'agent opaque, cette face est en tout état de cause toujours revêtue d'un adhésif (non représenté sur les figures) permettant sa fixation sur la paroi du film constitutif du manchon, en recouvrement de la zone de fenêtre 13 ou 13' précitée.As for the detachable adhesive tape 14, it has been said that it must be opaque to light. As for the film constituting the sleeve, we can then provide to organize the opacity in the light of the detachable adhesive strip 14 is with a strip made from a white film in the mass, coated, on its side which is turned towards the outer face of the sleeve 10, d a layer of opaque agent imparting to said strip a light barrier property, as illustrated in FIG. Figure 3a or 3c said opaque agent layer being denoted 17, or alternatively with a strip made from an opaque film in the mass, of material having a light barrier property, as illustrated on FIG. figure 3b . In all cases, whether or not the relevant face of application of the detachable adhesive strip 14 is coated with an opaque agent layer, this face is in any case always coated with an adhesive (not shown on the figures) allowing its attachment to the wall of the constituent film of the sleeve, in overlap of the aforementioned window area 13 or 13 '.

Le recouvrement de la zone de fenêtre 13 ou 13' par la bande adhésive détachable 14 est très important en l'espèce, car c'est lui qui garantit la préservation de la barrière contre les rayonnements lumineux, et donc la protection du produit présent dans le conteneur. De ce fait, pour des raisons de sécurité, on prévoira en général une bande adhésive détachable de dimensionnement légèrement supérieur à celui de la zone de fenêtre concernée. Sur les exemples illustrés ici, on est en présence d'une fente étroite 18 ou 18', de forme rectangulaire, dont la largeur sera par exemple de l'ordre de 5 millimètres, et la hauteur sera par exemple 50 à 60 % de la hauteur du manchon. Dans ce cas, la bande adhésive détachable 14 aura par exemple une largeur de 8 millimètres afin de garantir un recouvrement latéral sur toute la hauteur de la fente, et une hauteur qui peut concerner la totalité de la hauteur du manchon comme cela est illustré ici, avec alors une extrémité saillante de préhension 15 qui facilite l'enlèvement de ladite bande.The covering of the window area 13 or 13 'by the detachable adhesive strip 14 is very important in this case, because it is it that guarantees the preservation of the barrier against light radiation, and therefore the protection of the product present in the container. Therefore, for safety reasons, it will generally provide a detachable adhesive tape sizing slightly greater than that of the window area concerned. In the examples illustrated here, there is in the presence of a narrow slot 18 or 18 ', of rectangular shape, whose width will be for example of the order of 5 millimeters, and the height will be for example 50 to 60% of the height of the sleeve. In this case, the detachable adhesive strip 14 will for example have a width of 8 millimeters in order to guarantee a lateral covering over the entire height of the slot, and a height which may concern the entire height of the sleeve, as this is illustrated here, with then a protruding projecting end 15 which facilitates the removal of said band.

Sur la figure 4, on distingue l'enveloppe d'emballage et de protection qui vient d'être décrite, posée et thermorétractée sur un conteneur 1, qui peut être une bouteille, un biberon, ou tout type de conteneur du domaine alimentaire, pharmaceutique, ou médical. On constate sur la figure 4, que la bande adhésive détachable 14 masque en totalité la zone de fenêtre 13 ou 13', de sorte que la protection du produit présent dans le conteneur 1 contre les rayonnements lumineux est totale.On the figure 4 , there is the envelope of packaging and protection which has just been described, placed and heat-shrunk on a container 1, which can be a bottle, a bottle, or any type of container from the food, pharmaceutical, or medical field. We see on the figure 4 , that the detachable adhesive strip 14 completely masks the window area 13 or 13 ', so that the protection of the product present in the container 1 against light radiation is total.

Sur la figure 5, on vient d'enlever la bande adhésive 14, ce qui donne accès à la zone de fenêtre précitée, avec la définition d'une fente étroite 18 ou 18' qui permet une observation visuelle directe du produit présent à l'intérieur du conteneur, et donc un contrôle soit du niveau dudit produit, soit de la présence de celui-ci, soit encore du mélange correct de celui-ci.On the figure 5 the adhesive strip 14 has just been removed, which gives access to the aforementioned window area, with the definition of a narrow slot 18 or 18 'which allows a direct visual observation of the product present inside the container, and therefore a control either of the level of said product, of the presence thereof, or of the correct mixing thereof.

Comme cela est illustré sur la figure 5, on pourra naturellement prévoir une graduation préalablement imprimée 50 sur la face externe du manchon, au voisinage d'un bord vertical de la fente étroite 18 ou 18'. Ceci sera particulièrement intéressant dans le cas où le conteneur est un biberon, car on obtient ainsi un contrôle visuel quantitatif du liquide concerné.As illustrated on the figure 5 Naturally, it will be possible to provide a graduation previously printed 50 on the outer face of the sleeve, in the vicinity of a vertical edge of the narrow slot 18 or 18 '. This will be particularly interesting in the case where the container is a bottle, because this gives a quantitative visual control of the liquid concerned.

La fente étroite 18 ou 18' qui vient d'être décrite a ici la forme d'un mince rectangle disposé en hauteur (selon une génératrice du manchon), mais il va de soi que l'on pourra prévoir d'autres formes, ou encore d'autres variantes dans lesquelles la découpe de la paroi, où la zone d'interruption du revêtement dans la couche d'agent opaque, définit une pluralité de petites zones de fenêtre, par exemple, selon une succession de pointillés ou de tirets (variantes non illustrées ici).The narrow slot 18 or 18 'which has just been described here has the shape of a thin rectangle arranged in height (according to a generatrix of the sleeve), but it goes without saying that one can provide other forms, or other variants in which the cutting of the wall, where the area of interruption of the coating in the opaque agent layer, defines a plurality of small window areas, for example, in a succession of dots or dashes (variants not shown here).

Dans les modes de réalisation qui viennent d'être décrits, la zone de fenêtre était constituée soit par une découpe pratiquée dans la paroi du manchon 10, soit par une zone d'interruption du revêtement dans la couche d'agent opaque revêtant la face interne dudit manchon. Il est cependant possible d'agencer encore autrement la zone de fenêtre précitée, tout en conservant les avantages précédemment décrits. Une telle variante est illustrée aux figures 6 à 10.In the embodiments that have just been described, the window zone was constituted either by a cut-out made in the wall of the sleeve 10 or by a zone of interruption of the coating in the layer of opaque agent coating the internal face. said sleeve. However, it is possible to still arrange the above-mentioned window area, while retaining the advantages described above. Such a variant is illustrated in Figures 6 to 10 .

Sur les figures 6 à 10, l'enveloppe d'emballage et de protection diffère de celle qui vient d'être décrite en référence aux figures 1 à 5 par le fait que la zone de fenêtre est constituée par au moins une ligne de microperforations 13" pratiquée dans la paroi du manchon 10, ladite au moins une ligne de microperforations définissant une ouverture traversante 18" après enlèvement de la zone concernée 19".On the Figures 6 to 10 , the packaging and protective envelope differs from that just described with reference to Figures 1 to 5 in that the window area is constituted by at least one line of microperforations 13 "made in the wall of the sleeve 10, said at least one line of microperforations defining a through opening 18" after removal of the relevant area 19 ".

Là encore, on constate que la ligne de microperforations 13" est ici agencée pour former une fente étroite 18" qui est analogue aux fentes étroite 18, 18' précédemment décrites, mais ceci ne constitue qu'un exemple.Again, it is found that the line of microperforations 13 "is here arranged to form a narrow slot 18" which is similar to the narrow slots 18, 18 'described above, but this is only one example.

Comme cela est illustré sur les figures 8a et 8b, on retrouve, dans le cas de la ligne de perforation 13" s'étendant ici suivant un contour rectangulaire, la réalisation de l'opacité à la lumière du film constitutif du manchon 10, soit par un revêtement d'une couche d'agent opaque 16 sur la face interne d'un film blanc dans la masse comme cela est illustré sur la figure 8a, soit en utilisant un film opaque dans la masse, en matériau présentant une propriété barrière à la lumière, comme cela est illustré sur la figure 8b.As illustrated on the Figures 8a and 8b , in the case of the perforation line 13 "extending here in a rectangular outline, it is found that the opacity in the light of the film constituting the sleeve 10 is achieved, or by a coating of an agent layer opaque 16 on the inner side of a white film in the mass as shown on the figure 8a or by using an opaque film in the mass, of material having a light barrier property, as illustrated in FIG. figure 8b .

La présence de la bande adhésive détachable 14', dont la fonction première est de recouvrir la zone de fenêtre 13" afin de préserver l'opacité à la lumière, procure un moyen immédiatement disponible pour réaliser l'enlèvement de la zone concernée 19" délimitée par la ligne de microperforations 13". Ainsi, la bande adhésive détachable 14' est avantageusement en plus une bande d'arrachage, l'enlèvement de ladite bande réalisant en même temps l'accès à la zone de fenêtre 13" et l'enlèvement de la zone concernée 19" précitée. Ceci est illustré sur les figures 9 et 10, on l'on distingue l'enveloppe 10 thermorétractée sur le conteneur 1, respectivement avant et après enlèvement de la bande adhésive détachable 14' qui est en plus une bande d'arrachage.The presence of the detachable adhesive strip 14 ', whose primary function is to cover the window area 13 "in order to preserve the opacity to light, provides an immediately available means for effecting the removal of the affected area 19" delimited the detachable adhesive strip 14 'is advantageously in addition a tear strip, the removal of said strip simultaneously providing access to the window area 13 "and the removal of the relevant area 19 "above, this is illustrated in the Figures 9 and 10 the heat-shrunk shell 10 is distinguished on the container 1, respectively before and after removal of the releasable adhesive strip 14 'which is additionally a tear strip.

Là encore, on peut prévoir une impression de graduations 50 sur la face extérieure du film, le long d'un bord vertical de la fente étroite 18" qui est formée par la ligne de microperforations 13", comme illustré sur la figure 10.Again, it is possible to provide an impression of graduations 50 on the outer face of the film, along a vertical edge of the narrow slot 18 "which is formed by the line of microperforations 13", as illustrated in FIG. figure 10 .

Comme indiqué précédemment, la fente étroite 18", qui s'étend ici selon une génératrice du manchon 10, pourra être réalisée sous forme d'une pluralité de fenêtres, par exemple, une ligne constituée de pointillés circulaires ou de tirets.As indicated above, the narrow slot 18 ", which here extends along a generatrix of the sleeve 10, may be made in the form of a plurality of windows, for example, a line consisting of circular dotted lines or dashes.

Dans le cas de la variante qui vient d'être illustrée en référence aux figures 6 à 10, il conviendra de choisir l'adhésif revêtant la face interne de la bande adhésive détachable 14' de telle façon que l'enlèvement de celle-ci provoque effectivement la rupture de la ligne de perforations 13" et par suite le détachement de la zone concernée 19", ce sans pour autant altérer la face externe du manchon au niveau de la périphérie de la zone de fenêtre 13".In the case of the variant which has just been illustrated with reference to the Figures 6 to 10 it will be advisable to choose the adhesive coating the inner face of the detachable adhesive strip 14 'so that the removal thereof effectively causes the rupture of the line of perforations 13 "and hence the detachment of the area concerned 19 ", without altering the outer face of the sleeve at the periphery of the window area 13".

Comme précédemment, la bande adhésive détachable 14', qui est opaque à la lumière, pourra être réalisée à partir d'un film blanc dans la masse, revêtu, sur sa face qui est tournée vers la face externe du manchon 10, d'une couche d'agent opaque conférant à ladite bande une propriété barrière à la lumière, ou en variante être réalisée à partir d'un film opaque dans la masse, en matériau présentant une propriété barrière à la lumière.As previously, the detachable adhesive strip 14 ', which is opaque to light, can be made from a white film in the mass, coated, on its face which is turned towards the outer face of the sleeve 10, of a layer of opaque agent imparting to said strip a light barrier property, or alternatively be made from an opaque film in the mass, of material having a light barrier property.

Sur les figures 11 à 13, on a illustré une autre variante dans laquelle la zone de fenêtre 13, 13', 13", et la bande adhésive détachable 14, 14', 14" qui la recouvre, s'étendent non plus selon une génératrice du manchon 10, mais circonférentiellement, sur une partie au moins de la périphérie du manchon 10. Les figures 12 et 13 illustrent une telle enveloppe rétractée sur le conteneur 1, respectivement avant et après enlèvement de la bande adhésive détachable 14 ou 14'.On the Figures 11 to 13 there is illustrated another variant in which the window area 13, 13 ', 13 "and the detachable adhesive strip 14, 14', 14" which covers it, do not extend either along a generatrix of the sleeve 10, but circumferentially, on at least part of the periphery of the sleeve 10. The Figures 12 and 13 illustrate such an envelope retracted onto the container 1, respectively before and after removal of the detachable adhesive strip 14 or 14 '.

Sur les figures 11 à 13, la fente étroite 18, 18', 18", qui s'étend circonférentiellement, ne concerne qu'une partie de la périphérie du manchon, par exemple une partie limitée à un tiers ou à un quart de celle-ci.On the Figures 11 to 13 , the narrow slot 18, 18 ', 18 ", which extends circumferentially, only relates to a portion of the periphery of the sleeve, for example a portion limited to a third or a quarter thereof.

On pourra en variante prévoir un agencement toujours circonférentiel, mais concernant la totalité de la périphérie du manchon 10, comme cela est illustré sur les figures 14 à 16. Sur les figures 15 et 16, on distingue ainsi une telle variante d'enveloppe, respectivement avant et après enlèvement de la bande adhésive détachable 14 ou 14'. La fente étroite 18, 18', 18", qui s'étend là encore dans une direction circonférentielle, permet de dégager toute la circonférence du conteneur selon une fenêtre circulaire complète sur 360°.In a variant, provision may be made for an always circumferential arrangement, but for the entire periphery of the sleeve 10, as illustrated in FIGS. Figures 14 to 16 . On the Figures 15 and 16 , one thus distinguishes such an envelope variant, respectively before and after removal of the detachable adhesive strip 14 or 14 '. The narrow slot 18, 18 ', 18 ", which again extends in a circumferential direction, makes it possible to clear the entire circumference of the container in a 360 ° complete circular window.

Une telle variante d'agencement circonférentiel sera plutôt utilisée pour le contrôle visuel de la présence du produit ou de la miscibilité correcte dudit produit. En effet, lorsqu'il s'agit de contrôler le niveau d'un produit, liquide ou pulvérulent, à l'intérieur du conteneur, il sera préférable d'utiliser un agencement s'étendant selon une génératrice du manchon, conformément aux modes de réalisation précédemment décrits en référence aux figures 1 à 10.Such an alternative circumferential arrangement will rather be used for the visual inspection of the presence of the product or of the correct miscibility of said product. product. Indeed, when it comes to controlling the level of a product, liquid or powder, inside the container, it will be preferable to use an arrangement extending along a generatrix of the sleeve, in accordance with the modes of previously described with reference to the Figures 1 to 10 .

On est ainsi parvenu à réaliser une enveloppe d'emballage et de protection d'un conteneur qui permet, sans nuire à la capacité de barrière à la lumière de la paroi, d'avoir une observation visuelle directe du produit présent à l'intérieur d'un conteneur.It has thus been possible to achieve a packaging envelope and protection of a container which allows, without impairing the light barrier capacity of the wall, to have a direct visual observation of the product present inside the container. 'a container.

Claims (14)

Enveloppe d'emballage et de protection d'un conteneur, constituée par un manchon (10) en matière plastique thermorétractable destiné à être rétracté sur le conteneur, ledit manchon étant obtenu à partir d'un film replié sur lui-même et fermé par solidarisation des deux zones d'extrémité concernées, caractérisée en ce que le film constitutif du manchon (10) est opaque à la lumière sur la totalité de sa surface à l'exception d'une zone de fenêtre (13, 13', 13"), et la zone de fenêtre (13, 13', 13") précitée est recouverte, sur la face externe (11.1) du manchon (10), par une bande adhésive détachable (14, 14') qui est opaque à la lumière, l'enlèvement de ladite bande adhésive donnant accès à la zone de fenêtre (13, 13', 13") et permettant une observation visuelle directe du produit présent à l'intérieur du conteneur.Packaging and protective envelope of a container, constituted by a sleeve (10) of heat-shrinkable plastic material intended to be retracted on the container, said sleeve being obtained from a film folded on itself and closed by fastening of the two end regions concerned, characterized in that the constituent film of the sleeve (10) is opaque to light over its entire surface except for a window area (13, 13 ', 13 ") and the above-mentioned window area (13, 13 ', 13 ") is covered on the outer face (11.1) of the sleeve (10) by a detachable adhesive strip (14, 14') which is opaque to light, removing said adhesive strip giving access to the window area (13, 13 ', 13 ") and allowing a direct visual observation of the product present inside the container. Enveloppe d'emballage et de protection selon la revendication 1, caractérisée en ce que le film constitutif du manchon (10) est un film blanc dans la masse, revêtu, sur sa face qui est destinée à constituer la face interne (11.2) dudit manchon, d'une couche d'agent opaque (16) conférant audit film une propriété barrière à la lumière.Packaging and protective envelope according to claim 1, characterized in that the constituent film of the sleeve (10) is a white film in the mass, coated, on its face which is intended to constitute the inner face (11.2) of said sleeve , an opaque agent layer (16) imparting to said film a light barrier property. Enveloppe d'emballage et de protection selon la revendication 2, caractérisée en ce que la zone de fenêtre est constituée par une zone d'interruption du revêtement (13') dans la couche d'agent opaque (16).Packaging and protective casing according to Claim 2, characterized in that the window area is constituted by an interruption zone of the coating (13 ') in the opaque agent layer (16). Enveloppe d'emballage et de protection selon la revendication 3, caractérisée en ce que la zone d'interruption de revêtement (13') est agencée pour former une fente étroite (18').Packaging and protective envelope according to claim 3, characterized in that the coating interruption zone (13 ') is arranged to form a narrow slot (18'). Enveloppe d'emballage et de protection selon la revendication 1, caractérisée en ce que le film constitutif du manchon (10) est un film opaque dans la masse, en matériau présentant une propriété barrière à la lumière.Packaging and protective casing according to Claim 1, characterized in that the film constituent of the sleeve (10) is an opaque film in the mass, of material having a light barrier property. Enveloppe d'emballage et de protection selon la revendication 2 ou 5, caractérisée en ce que la zone de fenêtre est constituée par une découpe (13) pratiquée dans la paroi du manchon (10), ladite découpe définissant au moins une ouverture traversante (18).Packaging and protective casing according to Claim 2 or 5, characterized in that the window area is constituted by a cutout (13) made in the wall of the sleeve (10), said cutout defining at least one through opening (18). ). Enveloppe d'emballage et de protection selon la revendication 6, caractérisée en ce que la découpe (13) est agencée pour former une fente étroite (18).Packaging and protective envelope according to claim 6, characterized in that the cutout (13) is arranged to form a narrow slot (18). Enveloppe d'emballage et de protection selon la revendication 2 ou 5, caractérisée en ce que la zone de fenêtre est constituée par au moins une ligne de microperforations (13") pratiquée dans la paroi du manchon (10), ladite au moins une ligne de microperforations définissant une ouverture traversante (18") après enlèvement de la zone concernée (19").Packaging and protective casing according to claim 2 or 5, characterized in that the window area consists of at least one microperforation line (13 ") formed in the wall of the sleeve (10), said at least one line of microperforations defining a through opening (18 ") after removal of the area concerned (19"). Enveloppe d'emballage et de protection selon la revendication 8, caractérisée en ce que la ligne de microperforations (13") est agencée pour former une fente étroite (18").Packaging and protective casing according to claim 8, characterized in that the line of microperforations (13 ") is arranged to form a narrow slot (18"). Enveloppe d'emballage et de protection selon la revendication 8 ou 9, caractérisée en ce que la bande adhésive détachable (14') est en plus une bande d'arrachage, l'enlèvement de ladite bande réalisant en même temps l'accès à la zone de fenêtre (13") et l'enlèvement de la zone concernée (19").Packaging and protective envelope according to Claim 8 or 9, characterized in that the detachable adhesive strip (14 ') is in addition a tear strip, the removal of said strip simultaneously providing access to the window area (13 ") and the removal of the affected area (19"). Enveloppe d'emballage et de protection selon la revendication 4 ou 6 ou 9, caractérisée en ce que la fente étroite (18, 18', 18") s'étend selon une génératrice du manchon (10).Packaging and protective envelope according to claim 4 or 6 or 9, characterized in that the narrow slot (18, 18 ', 18 ") extends along a generatrix of the sleeve (10). Enveloppe d'emballage et de protection selon la revendication 4 ou 6 ou 9, caractérisée en ce que la fente étroite (18, 18', 18") s'étend circonférentiellement, sur une partie au moins de la périphérie du manchon (10).Packaging and protective casing according to Claim 4 or 6 or 9, characterized in that the narrow slot (18, 18 ', 18 ") extends circumferentially, on at least part of the periphery of the sleeve (10). Enveloppe d'emballage et de protection selon l'une des revendications 1 à 12, caractérisée en ce que la bande adhésive détachable (14, 14') est réalisée à partir d'un film blanc dans la masse, revêtu, sur sa face qui est tournée vers la face externe (11.1) du manchon (10), d'une couche d'agent opaque (17) conférant à ladite bande une propriété barrière à la lumière.Packaging and protective envelope according to one of Claims 1 to 12, characterized in that the detachable adhesive strip (14, 14 ') is produced from a white film in the mass, coated on its side which is turned towards the outer face (11.1) of the sleeve (10), a layer of opaque agent (17) giving said strip a light barrier property. Enveloppe d'emballage et de protection selon l'une des revendications 1 à 12, caractérisée en ce que la bande adhésive détachable (14, 14') est réalisée à partir d'un film opaque dans la masse, en matériau présentant une propriété barrière à la lumière.Packaging and protective envelope according to one of Claims 1 to 12, characterized in that the detachable adhesive strip (14, 14 ') is produced from a film which is opaque in the mass, in a material having a barrier property in the light.
EP10161913.8A 2009-06-30 2010-05-04 Envelope for packaging and protection of a container, consisting of a thermoretractable plastic shell Active EP2269913B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL10161913T PL2269913T3 (en) 2009-06-30 2010-05-04 Envelope for packaging and protection of a container, consisting of a thermoretractable plastic shell

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0903177A FR2947251B1 (en) 2009-06-30 2009-06-30 ENVELOPE FOR PACKAGING AND PROTECTING A CONTAINER, CONSISTING OF A SLEEVE OF PLASTIC THERMORETRACTABLE MATERIAL

Publications (2)

Publication Number Publication Date
EP2269913A1 true EP2269913A1 (en) 2011-01-05
EP2269913B1 EP2269913B1 (en) 2014-10-15

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EP10161913.8A Active EP2269913B1 (en) 2009-06-30 2010-05-04 Envelope for packaging and protection of a container, consisting of a thermoretractable plastic shell

Country Status (10)

Country Link
US (1) US7918342B2 (en)
EP (1) EP2269913B1 (en)
CN (1) CN101934878B (en)
BR (1) BRPI1002144A2 (en)
DK (1) DK2269913T3 (en)
ES (1) ES2527677T3 (en)
FR (1) FR2947251B1 (en)
MX (1) MX2010007163A (en)
PL (1) PL2269913T3 (en)
RU (1) RU2435720C1 (en)

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FR2985506B1 (en) * 2012-01-06 2014-03-14 Novatec RETRACTABLE ENVELOPE FOR DETECTING THE OPENING OF A CONTAINER
CN103043341A (en) * 2012-12-27 2013-04-17 上海福将塑胶工业集团有限公司 Packaging barrel with liquid level display function
FR3003549B1 (en) * 2013-03-19 2015-04-10 Sleever Int SECURITY ENVELOPE FOR PROVIDING ANTI-OPENING PROTECTION OF CONTAINERS, OBJECT COVERED WITH SUCH AN ENVELOPE AND METHOD FOR REGISTERING INFORMATION ON SUCH AN ENVELOPE
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CN106542180A (en) * 2016-11-09 2017-03-29 卢润侨 A kind of beverage packaging box
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JP7116903B2 (en) * 2017-10-11 2022-08-12 大日本印刷株式会社 Composite container and manufacturing method thereof, composite preform and manufacturing method thereof, and plastic member
JP6986959B2 (en) * 2017-12-27 2021-12-22 株式会社吉野工業所 Discharge container
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Also Published As

Publication number Publication date
RU2435720C1 (en) 2011-12-10
FR2947251B1 (en) 2012-11-16
US7918342B2 (en) 2011-04-05
EP2269913B1 (en) 2014-10-15
US20100326867A1 (en) 2010-12-30
BRPI1002144A2 (en) 2012-03-13
DK2269913T3 (en) 2015-01-19
CN101934878A (en) 2011-01-05
FR2947251A1 (en) 2010-12-31
PL2269913T3 (en) 2015-03-31
CN101934878B (en) 2012-11-28
MX2010007163A (en) 2011-01-05
ES2527677T3 (en) 2015-01-28

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