EP1021353B1 - Method for marking objects by transfer from a sleeve tube of heat-shrinkable plastic material which is shrunk on the object, and sleeve tube for implementing said method - Google Patents

Method for marking objects by transfer from a sleeve tube of heat-shrinkable plastic material which is shrunk on the object, and sleeve tube for implementing said method Download PDF

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Publication number
EP1021353B1
EP1021353B1 EP97943036A EP97943036A EP1021353B1 EP 1021353 B1 EP1021353 B1 EP 1021353B1 EP 97943036 A EP97943036 A EP 97943036A EP 97943036 A EP97943036 A EP 97943036A EP 1021353 B1 EP1021353 B1 EP 1021353B1
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EP
European Patent Office
Prior art keywords
sleeve
layer
adhesive
article
integrated circuit
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.)
Expired - Lifetime
Application number
EP97943036A
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German (de)
French (fr)
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EP1021353A1 (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
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Publication of EP1021353A1 publication Critical patent/EP1021353A1/en
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Publication of EP1021353B1 publication Critical patent/EP1021353B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B65D55/00—Accessories for container closures not otherwise provided for
    • B65D55/02—Locking devices; Means for discouraging or indicating unauthorised opening or removal of closure
    • B65D55/06—Deformable or tearable wires, strings, or strips; Use of seals, e.g. destructible locking pins
    • B65D55/08—Annular elements encircling container necks
    • B65D55/0818—Destructible or permanently removable bands, e.g. adhesive
    • B65D55/0854—Shrink-film bands
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65C—LABELLING OR TAGGING MACHINES, APPARATUS, OR PROCESSES
    • B65C3/00—Labelling other than flat surfaces
    • B65C3/06—Affixing labels to short rigid containers
    • B65C3/065—Affixing labels to short rigid containers by placing tubular labels around the container
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
    • G09F3/02—Forms or constructions
    • G09F3/0291—Labels or tickets undergoing a change under particular conditions, e.g. heat, radiation, passage of time
    • G09F3/0292—Labels or tickets undergoing a change under particular conditions, e.g. heat, radiation, passage of time tamper indicating labels
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S206/00—Special receptacle or package
    • Y10S206/807—Tamper proof
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
    • Y10T428/2813—Heat or solvent activated or sealable
    • Y10T428/2817—Heat sealable

Definitions

  • the invention relates to the marking of objects, and more particularly the marking by transfer from a heat shrinkable plastic sleeve which is retracted on the object concerned. It could be objects of very diverse types, and in particular of objects used for packaging of consumer products such as food, chemicals, cosmetics, pharmaceuticals, or other products such as CD discs.
  • the invention proceeds from another approach in seeking to devise a technique for marking objects by transfer from a plastic sleeve shrink which is shrunk on the object but in which the retracted sleeve does not constitute a support provisional unnecessary, but can perform other functions, for example a function of inviolability and / or certification of origin.
  • WO-A-96/02 434 describes the use a heat-shrinkable strip associated with the cover of a pharmaceutical product container.
  • the band includes internally a transferable portion (for example with the "opened") which remains on the edge of the cover at first removal of the tape.
  • a reactivable adhesive hot is used to transfer the label.
  • the invention aims precisely to solve this technical problem, in particular by designing a marking providing a certification of origin capable of providing a total guarantee for the consumer, and allowing possibly also the detection of a manipulation fraudulent or abnormal sleeve retracted on the object, in particular in view of the inviolability of a closing of the object as is the case with containers.
  • the object of the invention is therefore to design a technique of marking objects by transfer from a sleeve made of heat-shrinkable plastic which is retracted on the object, which allows in particular to ensure a break-in and / or certification function of origin associated with a packaging function of the object, in particular with a view to the inviolability of a closing of said object, as well as a traceability function some products.
  • This functional element can be an original certification element, in particular a holographic element or a specific label, and more without this transfer being detectable for an observer examining the object covered with its sleeve and distinguishing by transparency the presence of the certification element. Any attempt at fraudulent or abnormal manipulation on the sleeve made by trying to tear off said sleeve will automatically cause at least partial alteration of the transferred item, which is evidence of the malicious manipulation.
  • the transferred certification element remains in place on the object, and fully performs the certification function of origin of the product concerned.
  • any attempt intervention on the integrated circuit inevitably leads destruction of the transferred item, that it either holographic or not.
  • the reactivation of the adhesive of the reactivable adhesive layer is carried out simultaneously when shrinking the sleeve on the object.
  • the layer adhesive is thermoreactivable, and its reactivation is carried out by the heating the sleeve for retraction thereof on the object. It is then possible to manipulate the sleeve equipped with its transferable element like the sleeves traditional whose implementation is organized in automatic machines for fitting sleeves and their shrinking in a heating tunnel. It is so no need to implement a separate step to reactivate the adhesive of the reactivable layer.
  • the invention also relates to a sleeve, as defined in claim 5, in heat-shrinkable plastic intended for placing work of a marking process having at least one of the above characteristics.
  • the sleeve has, on its internal face, an element transferable with the free side coated with a layer reactivable adhesive, with a circuit on this layer integrated.
  • the integrated circuit is arranged to in such a way that its outline is geometrically integrated with inside the outline of the transferable element. We thus obtains total discretion and protection optimal for the integrated circuit.
  • the layer of reactivatable adhesive concerns the entire free face of the transferable element, so that said element is transferred entirely to the wall of the object as a result of reactivation of the adhesive.
  • the layer of reactivatable adhesive concerns only part of the free side of the transferable element, so that said element is then partially transferred to the wall of the object as a result of the reactivation of the adhesive.
  • the adhesive layer is heat-activated, and in particular hot reactivable, at a temperature equal to or close to the shrinkage temperature of the thermoplastic sleeve heat shrink.
  • the transferable element equipping the heat-shrinkable sleeve consists of a flat metallic shape carried by a transparent plastic support layer adhering to the inner face of the sleeve, the metallic form being linked to this support layer by a layer of transfer link allowing total dissociation or partial of said metallized shape with a view to its transfer on the object wall and its collage on this wall due to reactivation of the adhesive layer reactivable.
  • the flat shape metallized will consist of a metallization layer holographic.
  • this metallization layer holographic may present a dominant setting silver or gold, to facilitate its recognition visual.
  • the marking technique according to the invention involves a transfer at least partial and an adhesiveness of the layer of holographic metallization on the wall of the object.
  • FIG. 1 illustrates a sleeve 20 made of material heat shrink plastic, as it may appear when cut from a continuous sheath, the constitutive film of said sleeve denoted 21 being closed on itself at the level of a generator by a seal not shown here which is well known in the art of heat shrink sleeves used in the field of packaging.
  • the sleeve 20 can be equipped, on its internal face, with a tear strip 22 having a gripping end rated 23 which the user can pull to open the sleeve retracted on the object.
  • the sleeve 20 comprises, on its internal face, a transferable element denoted 30 whose free face is coated with a layer of reactivatable adhesive, with on this layer an integrated circuit 40.
  • the element is shown here 30 in the form of a substantially circular patch and the integrated circuit in the form of a small square but it goes without saying that the invention is in no way limited to a particular form of transferable element or circuit integrated.
  • Figure 2 illustrates several types of objects to as an example, which are here device objects closure in the area from which the sleeve is retracted so to ensure inviolability.
  • an object 10 is presented which presents itself in the form of a bottle whose body 11 is surmounted a closure cap 12.
  • the object 10 is a bottle whose body 11 is surmounted by a screw cap or clipped 12.
  • object 10 is a flat box whose body 11 is surmounted by a cover 12, in particular hinged (such an object will be for example a CD disc envelope).
  • the object 10 is a container whose body 11 is surmounted by a cap possibly screwed 12.
  • the object 10 is equipped with a sleeve 20 retracted on its wall by closely surrounding the part of the object corresponding to the area of the closing device.
  • a sleeve whose upper edge covers with a crown denoted 24 the upper face of the capsule or stopper 12.
  • each sleeve 20 is retracted on the wall of the object concerned, and the associated element 30 is transferred and adhered to the wall facing the object, protecting the circuit integrated associated 40.
  • the element 30 is transferred either on the side wall of the body 11 (objects illustrated in a) and d)), either on the side wall of the cap or cover 12 (objects illustrated in b) and c)).
  • the sleeve 20 is shown open, and its removal is shown diagrammatically by the arrow 100.
  • a transferable element has been illustrated multilayer structure, that is to say that a part denoted 31 is effectively transferred to object 10 by following the implementation of the method of the invention, while a part denoted 32 remains linked to the sleeve which is removed.
  • a part denoted 31 is effectively transferred to object 10 by following the implementation of the method of the invention, while a part denoted 32 remains linked to the sleeve which is removed.
  • a marking method according to the invention according to which has on the inner surface of the film 21 constituting the sleeve 20 a transferable element 30 with the free face is coated with a layer of reactivatable adhesive with on this layer an integrated circuit 40, after which we heat the sleeve 20 thus equipped and threaded onto the object 10 to retract said sleeve and press said transferable element with its integrated circuit on the wall opposite object 10, and we reactivate the adhesive of the adhesive layer reactivable so that the transferable element 30 adheres to object 10 and apply the associated integrated circuit 40 against the wall of said object.
  • Reactivation of the adhesive from the adhesive layer reactivable is preferably carried out simultaneously by heat shrinking the sleeve 20 on the object 10.
  • the adhesive can be heat-activated, and its reactivation be carried out by heating the sleeve 20 in view of the retraction of the latter on the object 10.
  • We will then choose an adhesive material that is reactivable to a temperature equal to or close to the temperature of sleeve retraction.
  • Figure 4 illustrates in more detail the arrangement of the sleeve 20 according to the invention, in the retracted state on the wall of an object.
  • the structure of the transferable element 30 is briefly shown (wrapping the circuit associated integrated 40), with a support layer 32 in transparent plastic adhering to the inside denoted 25 of the film 21 constituting the sleeve 20, and with a metallized flat shape denoted 31, which is here constituted by a holographic metallization layer, carried by this support layer 32.
  • the holographic metallization layer 31 is transferable and it adheres by at least one zone 33 to the wall denoted 13 of object 10.
  • circuit 40 arranged on the adhesive free face 33 of the transferable element 30, and whose outline fits geometrically inside here of the outline of said transferable element.
  • the circuit integrated 40 must naturally be set up on the transferable element 30 before the sleeve is threaded on the object.
  • Figure 6 makes it easier to distinguish the structure multilayer of the transferable element 30, with its integrated circuit 40, which is associated with the internal wall 25 of the film 21 constituting the plastic sleeve 20 heat shrink.
  • the transferable element 30 has a shape metallized 31, which is for example constituted by a holographic metallization layer, and which is worn by a support layer 32 of transparent plastic, this last layer adhering to the internal face 25 thanks to a thin adhesive layer 35, for example a varnish transparent fusible.
  • the support layer 32 may for example be made of polyethylene or polyethylene terephthalate.
  • the holographic metallization layer 31 of a part has on its free face a layer 33 of adhesive reactivable, and on the other hand is related to the layer of support 32 by a transfer bonding layer 34 allowing a total or partial dissociation of the layer 31 of holographic metallization for sound transfer to the wall 13 of the object and its collage on this wall as a result of a reactivation of the layer of adhesive 33.
  • the layer 33 of reactivatable adhesive provides then on the free face of the metallization layer 31 holographic, following a reactivation of said layer 33, especially hot if using an adhesive heat-activated, an adhesiveness to the wall of the object which is greater than the holding force given by the layer 34 transfer link, the latter can be constituted in the form of a transfer varnish, by example based on repellents (such varnishes are called "release" by the Anglo-Saxons). So if we use suitable heat-activated adhesive, heat accompanying the heat shrinkage of the sleeve 21 has the effect reactivate the adhesive layer 33 which then adhesives intimately layer 31 of holographic metallization to the object wall.
  • the adhesive hot-reactivable will be chosen with a temperature of reactivation equal to or close to the shrink temperature sleeve: this ensures simultaneity of sleeve retraction / transfer-adhesion operations of the transferable item.
  • the transfer of the element 30 can be total, in which case the hot-reactivatable adhesive layer 33 concerns the entire free face of metallization layer 31 holographic. This transfer may alternatively not concern only a part of element 30, to which case the adhesive layer 33 concerns only part of the free face of layer 31.
  • the part transferred from element 30 can then be organized according to a pattern predetermined (not shown here). In this case, if the sleeve 20 is removed, the transferred part of the pattern found on the object, while the non-transferred part is removed with the torn wall of the sleeve.
  • the transferable element 30, or more precisely its layer 31 of holographic metallization may have a predominantly silver or gold decor, which allows facilitate visual recognition of the transferred part of this element.
  • the integrated circuit 40 When the sleeve 20 is retracted on the object, the integrated circuit 40 is moreover firmly applied against the wall of the object 10 when the sleeve is retracted and the adhesive of layer 33 is reactivated. This integrated circuit 40 is then perfectly held against the wall of the object being protected by the wall of the sleeve, while remaining invisible from the outside if like this is the case here the outline of this integrated circuit is provided to integrate geometrically inside the outline of transferable element 30. This will allow us to organize the coding of a promotional message or detection by a suitable system (the wall of the sleeve being completely inert for writing or reading recorded information in the integrated circuit). It should be noted that destruction of the element transferred to the object would also cause that of the integrated circuit 40, which gives an additional degree of security. Conversely, any attempted intervention on the integrated circuit automatically has the effect of destroy the transferred element, whether it is holographic or not.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Labeling Devices (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Laser Beam Processing (AREA)
  • Gloves (AREA)
  • Burglar Alarm Systems (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)

Abstract

PCT No. PCT/FR97/01732 Sec. 371 Date Mar. 29, 1999 Sec. 102(e) Date Mar. 29, 1999 PCT Filed Oct. 1, 1997 PCT Pub. No. WO98/15469 PCT Pub. Date Apr. 16, 1998The invention relates to a method of marking an article by transfer from a sleeve of heat-shrink plastics material which is shrunken on the article. According to the method, a transferable element (30) whose free face is coated in a layer (33) of reactivatable adhesive, together with an integrated circuit (40) on said layer, is placed on the inside surface (25) of the film constituting the sleeve (20), after which the sleeve (20) fitted in this way is engaged on the article (10) and is heated so as to shrink said sleeve and press said transferable element together with its integrated circuit onto the facing wall of the article (10), and the adhesive of the layer (33) of reactivatable adhesive is reactivated so that the transferable element (30) adheres to the article (10) and presses the associated integrated circuit (40) against the wall of said article. The invention also provides a sleeve (20) specially designed to implement the above method, having an inside face which includes a transferable element (30) with its free face coated in a layer of reactivatable adhesive and with an integrated circuit on said layer.

Description

L'invention concerne le marquage d'objets, et plus particulièrement le marquage par transfert à partir d'un manchon en matière plastique thermorétractable qui est rétracté sur l'objet concerné. Il pourra s'agir d'objets de types très divers, et en particulier d'objets servant au conditionnement de produits de consommation tels que produits alimentaires, chimiques, cosmétiques, pharmaceutiques, ou encore d'autres produits tels que disques CD.The invention relates to the marking of objects, and more particularly the marking by transfer from a heat shrinkable plastic sleeve which is retracted on the object concerned. It could be objects of very diverse types, and in particular of objects used for packaging of consumer products such as food, chemicals, cosmetics, pharmaceuticals, or other products such as CD discs.

On connaít déjà des techniques de marquage d'objets par transfert d'un motif imprimé sur la face intérieure d'un manchon en matière plastique thermorétractable, le transfert dudit motif s'effectuant avec la rétraction du manchon sur l'objet concerné. Il convient toutefois de noter que le motif transféré est un texte ou un dessin imprimé au moyen d'une encre spéciale apte à réaliser le transfert (par exemple une encre sublimable), et que, une fois le motif imprimé transféré sur l'objet, le manchon devenu inutile est retiré de l'objet.We already know marking techniques of objects by transferring a pattern printed on the face inside of a sleeve made of heat-shrinkable plastic, the transfer of said motif taking place with the shrinkage of the sleeve on the object concerned. It suits however, note that the pattern transferred is text or a drawing printed with a special ink suitable for carry out the transfer (for example a sublimable ink), and that, once the printed pattern has been transferred to the object, the sleeve become useless is removed from the object.

L'invention procède d'une autre approche en cherchant à concevoir une technique de marquage d'objets par transfert à partir d'un manchon en matière plastique thermorétractable qui est rétracté sur l'objet, mais dans laquelle le manchon rétracté ne constitue pas un support provisoire inutile, mais peut assurer d'autres fonctions, par exemple une fonction d'inviolabilité et/ou de certification d'origine.The invention proceeds from another approach in seeking to devise a technique for marking objects by transfer from a plastic sleeve shrink which is shrunk on the object but in which the retracted sleeve does not constitute a support provisional unnecessary, but can perform other functions, for example a function of inviolability and / or certification of origin.

Le document WO-A-96/02 434 décrit l'utilisation d'une bande thermorétractable associée au couvercle d'un conteneur de produit pharmaceutique. La bande inclut du côté interne une portion transférable (par exemple avec la mention "opened") qui reste sur le bord du couvercle au premier enlèvement de la bande. Un adhésif réactivable à chaud est utilisé pour assurer le transfert de l'étiquette.WO-A-96/02 434 describes the use a heat-shrinkable strip associated with the cover of a pharmaceutical product container. The band includes internally a transferable portion (for example with the "opened") which remains on the edge of the cover at first removal of the tape. A reactivable adhesive hot is used to transfer the label.

Les documents WO-A-93/19 445 et US-A-5 292 018 décrivent des techniques très proches de celle du document précédent, avec une partie message (ou code à barres) transférée à la rétraction du manchon.Documents WO-A-93 / 19,445 and US-A-5,292,018 describe techniques very close to that of the document previous, with a message part (or barcode) transferred to the sleeve retraction.

On peut également citer le document EP-A-0 345 405 qui décrit une carte porteuse d'une pièce ou médaille dont l'accès est barré par un film adhésif à hologramme collé sur l'objet : toute tentative d'ouverture a pour effet de délamimer l'hologramme, ce qui procure la sécurité recherchée.One can also cite the document EP-A-0 345 405 which describes a card carrying a coin or medal access to which is blocked by an adhesive hologram film pasted on the object: any attempt to open has effect of delaminating the hologram, which provides security wanted.

Par ailleurs, on connaít depuis longtemps des enveloppes de sécurité en matière plastique thermorétractable, notamment associées au goulot des bouteilles, et destinées à constituer une garantie d'inviolabilité pour le consommateur, en garantissant que le produit concerné n'a pas subi de substitution frauduleuse ou n'a pas fait l'objet d'une altération malveillante. L'enveloppe de sécurité rétractée sur le goulot de la bouteille sert ainsi d'indicateur d'effraction en cas de tentative de retrait ou de déchirure en force de ladite enveloppe. Toutefois, avec cette technique d'enveloppe de sécurité, l'enlèvement de l'enveloppe, par exemple par traction sur une bande d'arrachage associée, ne laisse subsister aucune partie ou trace de l'enveloppe sur l'objet. Par suite, la fonction de certification d'origine est dans la pratique encore limitée.In addition, we have known for a long time security envelopes in heat-shrinkable plastic, in particular associated with the neck of the bottles, and intended to constitute a guarantee of inviolability for the consumer, by ensuring that the product concerned has not been subjected to fraudulent substitution or has not subject to malicious alteration. The envelope of safety retracted on the neck of the bottle serves as well a break-in indicator in the event of an attempted withdrawal or of force tearing of said envelope. However, with this security envelope technique, the removal of the envelope, for example by pulling on a strip associated grubbing-up, does not leave any part or trace of the envelope on the object. As a result, the function of certification of origin is in practice still limited.

L'invention vise précisément à résoudre ce problème technique, notamment en concevant un marquage procurant une certification d'origine capable de procurer une garantie totale pour le consommateur, et permettant éventuellement aussi la détection d'une manipulation frauduleuse ou anormale du manchon rétracté sur l'objet, en particulier en vue de l'inviolabilité d'un dispositif de fermeture de l'objet comme c'est le cas avec des récipients. The invention aims precisely to solve this technical problem, in particular by designing a marking providing a certification of origin capable of providing a total guarantee for the consumer, and allowing possibly also the detection of a manipulation fraudulent or abnormal sleeve retracted on the object, in particular in view of the inviolability of a closing of the object as is the case with containers.

L'invention a ainsi pour objet de concevoir une technique de marquage d'objets par transfert à partir d'un manchon en matière plastique thermorétractable qui est rétracté sur l'objet, qui permette notamment d'assurer une fonction d'indication d'effraction et/ou de certification d'origine associée à une fonction d'emballage de l'objet, en particulier en vue de l'inviolabilité d'un dispositif de fermeture dudit objet, ainsi qu'une fonction de traçabilité des produits.The object of the invention is therefore to design a technique of marking objects by transfer from a sleeve made of heat-shrinkable plastic which is retracted on the object, which allows in particular to ensure a break-in and / or certification function of origin associated with a packaging function of the object, in particular with a view to the inviolability of a closing of said object, as well as a traceability function some products.

Ce problème est résolu conformément à l'invention grâce à un procédé selon la revendication 1 de marquage d'objets par transfert à partir d'un manchon en matière plastique thermorétractable qui est rétracté sur l'objet, caractérisé en ce qu'on dispose sur la surface intérieure du film constitutif du manchon un élément transférable dont la face libre est revêtue d'une couche d'adhésif réactivable avec sur cette couche un circuit intégré, après quoi on chauffe le manchon ainsi équipé et enfilé sur l'objet pour rétracter ledit manchon et plaquer ledit élément transférable avec son circuit intégré sur la paroi en regard de l'objet, et on réactive l'adhésif de la couche d'adhésif réactivable afin que l'élément transférable adhère à l'objet et applique le circuit intégré associé contre la paroi dudit objet.This problem is solved in accordance with the invention using a method according to claim 1 for marking objects by transfer to from a heat shrinkable plastic sleeve which is retracted on the object, characterized in that has on the inner surface of the film constituting the sleeve a transferable element whose free face is coated with a layer of reactivable adhesive with layer an integrated circuit, after which the sleeve is heated thus equipped and put on the object to retract said sleeve and press said transferable element with its integrated circuit on the wall facing the object, and we reactivates the adhesive from the reactivable adhesive layer so that the transferable element adheres to the object and applies the associated integrated circuit against the wall of said object.

Ainsi, on parvient avec un tel procédé à transférer de façon simple et fiable un élément fonctionnel qui supporte et protège un circuit intégré qui assure la fonction de traçabilité du produit. Cet élément fonctionnel peut être un élément de certification d'origine, notamment un élément holographique ou une étiquette spécifique, et de plus sans que ce transfert soit détectable pour un observateur examinant l'objet revêtu de son manchon et distinguant par transparence la présence de l'élément de certification. Toute tentative de manipulation frauduleuse ou anormale sur le manchon effectuée en tentant d'arracher ledit manchon va automatiquement provoquer une altération au moins partielle de l'élément transféré, ce qui constitue une preuve de la manipulation malveillante. S'il s'agit d'un manchon du type enveloppe de sécurité, qui est alors destiné à être ouvert, par exemple par traction sur une bande d'arrachage, afin d'accéder à un dispositif de fermeture ou analogue, dans ce cas, lors de l'enlèvement de l'enveloppe de sécurité, l'élément de certification transféré reste en place sur l'objet, et assure pleinement la fonction de certification d'origine du produit concerné. De plus, toute tentative d'intervention sur le circuit intégré entraíne inévitablement la destruction de l'élément transféré, que celui-ci soit holographique ou non.So we manage with such a process to transfer in a simple and reliable way a functional element which supports and protects an integrated circuit which ensures product traceability function. This functional element can be an original certification element, in particular a holographic element or a specific label, and more without this transfer being detectable for an observer examining the object covered with its sleeve and distinguishing by transparency the presence of the certification element. Any attempt at fraudulent or abnormal manipulation on the sleeve made by trying to tear off said sleeve will automatically cause at least partial alteration of the transferred item, which is evidence of the malicious manipulation. If it is a sleeve of the type security envelope, which is then intended to be opened, for example by pulling on a tear strip, so to access a closing device or the like, in this case, when removing the security envelope, the transferred certification element remains in place on the object, and fully performs the certification function of origin of the product concerned. In addition, any attempt intervention on the integrated circuit inevitably leads destruction of the transferred item, that it either holographic or not.

Il est ainsi prévu, avant d'enfiler le manchon sur l'objet, d'équiper la face libre adhésive de l'élément transférable d'un circuit intégré (puce) qui est donc appliqué contre la paroi de l'objet lorsque l'adhésif de la couche d'adhésif réactivable est réactivée. Un tel circuit intégré peut permettre différents types de codages de reconnaissance ou d'enregistrements spécifiques, et le masquage dudit circuit intégré par l'élément transféré assure en outre une discrétion complète aux yeux des consommateurs.It is thus provided, before threading the sleeve on the object, to equip the adhesive free face of the element transferable from an integrated circuit (chip) which is therefore applied against the object wall when the adhesive of the reactivable adhesive layer is reactivated. Such a circuit built-in can allow different types of coding recognition or specific records, and the masking of said integrated circuit by the transferred element also ensures complete discretion in the eyes of consumers.

Avantageusement, la réactivation de l'adhésif de la couche d'adhésif réactivable est effectuée simultanément à la thermorétraction du manchon sur l'objet.Advantageously, the reactivation of the adhesive of the reactivable adhesive layer is carried out simultaneously when shrinking the sleeve on the object.

En particulier, l'adhésif de la couche est thermoréactivable, et sa réactivation est réalisée par le chauffage du manchon en vue de la rétraction de ce dernier sur l'objet. Il est alors possible de manipuler le manchon équipé de son élément transférable comme les manchons traditionnels dont la mise en place est organisée dans des machines automatiques assurant la pose des manchons et leur rétraction dans un tunnel de chauffage. Il est ainsi inutile de mettre en oeuvre une étape séparée pour réactiver l'adhésif de la couche réactivable.In particular, the layer adhesive is thermoreactivable, and its reactivation is carried out by the heating the sleeve for retraction thereof on the object. It is then possible to manipulate the sleeve equipped with its transferable element like the sleeves traditional whose implementation is organized in automatic machines for fitting sleeves and their shrinking in a heating tunnel. It is so no need to implement a separate step to reactivate the adhesive of the reactivable layer.

L'invention concerne également un manchon, tel que défini dans la revendication 5, en matière plastique thermorétractable destiné à la mise en oeuvre d'un procédé de marquage présentant l'une au moins des caractéristiques précitées. Conformément à l'invention, le manchon comporte, sur sa face interne, un élément transférable dont la face libre est revêtue d'une couche d'adhésif réactivable, avec sur cette couche un circuit intégré.The invention also relates to a sleeve, as defined in claim 5, in heat-shrinkable plastic intended for placing work of a marking process having at least one of the above characteristics. In accordance with the invention, the sleeve has, on its internal face, an element transferable with the free side coated with a layer reactivable adhesive, with a circuit on this layer integrated.

De préférence, le circuit intégré est agencé de telle manière que son contour s'intègre géométriquement à l'intérieur du contour de l'élément transférable. On obtient ainsi une discrétion totale et une protection optimale pour le circuit intégré.Preferably, the integrated circuit is arranged to in such a way that its outline is geometrically integrated with inside the outline of the transferable element. We thus obtains total discretion and protection optimal for the integrated circuit.

Dans un mode d'exécution particulier, la couche d'adhésif réactivable concerne toute la face libre de l'élément transférable, de façon que ledit élément soit transféré en totalité sur la paroi de l'objet par suite de la réactivation de l'adhésif.In a particular embodiment, the layer of reactivatable adhesive concerns the entire free face of the transferable element, so that said element is transferred entirely to the wall of the object as a result of reactivation of the adhesive.

En variante, il sera possible que la couche d'adhésif réactivable concerne une partie seulement de la face libre de l'élément transférable, de sorte que ledit élément est alors transféré en partie sur la paroi de l'objet par suite de la réactivation de l'adhésif.Alternatively, it may be possible that the layer of reactivatable adhesive concerns only part of the free side of the transferable element, so that said element is then partially transferred to the wall of the object as a result of the reactivation of the adhesive.

Il est par ailleurs avantageux de prévoir que la couche d'adhésif est thermoréactivable, et en particulier réactivable à chaud, à une température égale ou voisine de la température de rétraction du manchon en matière thermoplastique thermorétractable.It is also advantageous to provide that the adhesive layer is heat-activated, and in particular hot reactivable, at a temperature equal to or close to the shrinkage temperature of the thermoplastic sleeve heat shrink.

Conformément à un mode d'exécution particulier, l'élément transférable équipant le manchon thermorétractable est constitué par une forme plate métallisée portée par une couche de support en matière plastique transparente adhérant à la face interne du manchon, la forme métallisée étant liée à cette couche de support par une couche de liaison à transfert permettant la dissociation totale ou partielle de ladite forme métallisée en vue de son transfert sur la paroi de l'objet et de son collage sur cette paroi par suite d'une réactivation de la couche d'adhésif réactivable.In accordance with a particular mode of execution, the transferable element equipping the heat-shrinkable sleeve consists of a flat metallic shape carried by a transparent plastic support layer adhering to the inner face of the sleeve, the metallic form being linked to this support layer by a layer of transfer link allowing total dissociation or partial of said metallized shape with a view to its transfer on the object wall and its collage on this wall due to reactivation of the adhesive layer reactivable.

Avantageusement dans ce cas, la forme plate métallisée sera constituée par une couche de métallisation holographique. En particulier, cette couche de métallisation holographique pourra présenter un décor à dominante argentée ou dorée, afin de faciliter sa reconnaissance visuelle.Advantageously in this case, the flat shape metallized will consist of a metallization layer holographic. In particular, this metallization layer holographic may present a dominant setting silver or gold, to facilitate its recognition visual.

Il convient à ce titre de noter qu'il est connu de réaliser des enveloppes de sécurité dont le manchon est équipé sur sa face interne, d'un élément holographique et d'une bande d'arrachage passant derrière cet élément holographique afin de déchirer ledit élément lors de l'ouverture de l'enveloppe effectuée en tirant sur ladite bande. Mais, dans ces techniques antérieures, l'élément holographique est indissociablement lié à l'enveloppe, et il est séparé en deux tronçons qui restent chacun sur l'enveloppe, de part et d'autre du sillon de déchirure, sans laisser la moindre trace sur l'objet. Au contraire, la technique de marquage selon l'invention implique un transfert au moins partiel et une adhésivité de la couche de métallisation holographique sur la paroi de l'objet.As such, it should be noted that it is known to make security envelopes whose sleeve is equipped on its internal face, with a holographic element and a tear strip passing behind this element holographic in order to tear said element during opening the envelope by pulling on said bandaged. But, in these prior techniques, the element holographic is inextricably linked to the envelope, and it is separated into two sections which each remain on the envelope, on either side of the tear groove, without leaving the slightest trace on the object. On the contrary, the marking technique according to the invention involves a transfer at least partial and an adhesiveness of the layer of holographic metallization on the wall of the object.

D'autres caractéristiques et avantages de l'invention apparaítront plus clairement à la lumière de la description qui va suivre et des dessins annexés concernant un mode de réalisation particulier, en référence aux figures où :

  • la figure 1 illustre en perspective un manchon en matière plastique thermorétractable équipé conformément à l'invention, sur sa face interne, d'un élément transférable, représenté ici sous la forme d'une pastille, derrière lequel est disposé un circuit intégré (schématisé par un carré) ;
  • la figure 2 illustre différents types d'objets équipés d'un manchon identique ou analogue à celui de la figure 1, et qui est rétracté sur une portion prédéterminée de l'objet ;
  • la figure 3 illustre le retrait du manchon, ici consécutif à une traction sur une bande d'arrachage associée, laissant apparaítre sur chaque objet de la figure 2 l'élément qui est transféré sur l'objet en recouvrant le circuit intégré, notamment en vue de constituer un élément de certification d'origine associé au produit concerné ;
  • la figure 4 est une coupe de détail illustrant la paroi d'un objet revêtue d'un manchon rétracté équipé de son élément transférable qui est alors transféré sur la paroi de l'objet par suite d'une réactivation de l'adhésif associé ;
  • la figure 5 est une vue en plan de la surface intérieure développée du manchon précité, avec son élément transférable, dont on distingue le circuit intégré qui l'équipe ;
  • la figure 6 est une coupe selon VI-VI de la figure 5, à une échelle agrandie, permettant de mieux distinguer la structure multicouche de l'élément transférable associé à la paroi interne du manchon en matière plastique thermorétractable.
Other characteristics and advantages of the invention will appear more clearly in the light of the description which follows and of the appended drawings concerning a particular embodiment, with reference to the figures where:
  • FIG. 1 illustrates in perspective a sleeve made of heat-shrinkable plastic material equipped in accordance with the invention, on its internal face, with a transferable element, represented here in the form of a patch, behind which is an integrated circuit (shown diagrammatically by a square) ;
  • FIG. 2 illustrates different types of objects fitted with a sleeve identical or similar to that of FIG. 1, and which is retracted over a predetermined portion of the object;
  • Figure 3 illustrates the withdrawal of the sleeve, here following a pull on an associated tear strip, letting appear on each object of Figure 2 the element which is transferred to the object by covering the integrated circuit, in particular in view to constitute an element of certification of origin associated with the product concerned;
  • Figure 4 is a detail section illustrating the wall of an object coated with a retracted sleeve equipped with its transferable element which is then transferred to the wall of the object as a result of reactivation of the associated adhesive;
  • Figure 5 is a plan view of the developed inner surface of the aforementioned sleeve, with its transferable element, which can be distinguished from the integrated circuit which equips it;
  • Figure 6 is a section on VI-VI of Figure 5, on an enlarged scale, to better distinguish the multilayer structure of the transferable element associated with the inner wall of the sleeve of heat shrinkable plastic.

La figure 1 illustre un manchon 20 en matière plastique thermorétractable, tel qu'il peut se présenter lorsqu'il est découpé à partir d'une gaine continue, le film constitutif dudit manchon noté 21 étant refermé sur lui-même au niveau d'une génératrice par un scellage non représenté ici qui est bien connu dans la technique des manchons thermorétractables utilisés dans le domaine de l'emballage. Conformément à une technique traditionnelle, le manchon 20 peut être équipé, sur sa face interne, d'une bande d'arrachage 22 présentant une extrémité de préhension notée 23 sur laquelle l'utilisateur peut tirer pour ouvrir le manchon rétracté sur l'objet.FIG. 1 illustrates a sleeve 20 made of material heat shrink plastic, as it may appear when cut from a continuous sheath, the constitutive film of said sleeve denoted 21 being closed on itself at the level of a generator by a seal not shown here which is well known in the art of heat shrink sleeves used in the field of packaging. According to a traditional technique, the sleeve 20 can be equipped, on its internal face, with a tear strip 22 having a gripping end rated 23 which the user can pull to open the sleeve retracted on the object.

Conformément à une caractéristique essentielle de l'invention, le manchon 20 comporte, sur sa face interne, un élément transférable noté 30 dont la face libre est revêtue d'une couche d'adhésif réactivable, avec sur cette couche un circuit intégré 40. On a représenté ici l'élément 30 sous la forme d'une pastille sensiblement circulaire et le circuit intégré sous la forme d'un petit carré, mais il va de soi que l'invention n'est aucunement limitée à une forme particulière d'élément transférable ou de circuit intégré.In accordance with an essential characteristic of the invention, the sleeve 20 comprises, on its internal face, a transferable element denoted 30 whose free face is coated with a layer of reactivatable adhesive, with on this layer an integrated circuit 40. The element is shown here 30 in the form of a substantially circular patch and the integrated circuit in the form of a small square but it It goes without saying that the invention is in no way limited to a particular form of transferable element or circuit integrated.

La figure 2 illustre plusieurs types d'objets à titre d'exemple, qui sont ici des objets à dispositif de fermeture dans la zone duquel le manchon est rétracté afin d'en assurer l'inviolabilité.Figure 2 illustrates several types of objects to as an example, which are here device objects closure in the area from which the sleeve is retracted so to ensure inviolability.

En a), on a illustré un objet 10 se présentant sous la forme d'une bouteille dont le corps 11 est surmonté d'une capsule de bouchage 12. En b), l'objet 10 est un flacon dont le corps 11 est surmonté d'un bouchon vissé ou clipsé 12. En c), l'objet 10 est une boíte plate dont le corps 11 est surmonté d'un couvercle 12, notamment articulé (un tel objet sera par exemple une enveloppe de disque CD). En d), l'objet 10 est un récipient dont le corps 11 est surmonté d'un capuchon éventuellement vissé 12. Dans tous les cas, l'objet 10 est équipé d'un manchon 20 rétracté sur sa paroi en entourant étroitement la partie de l'objet correspondant à la zone du dispositif de fermeture. Pour les objets illustrés en a) et b), on a représenté un manchon dont le bord supérieur recouvre par une couronne notée 24 la face supérieure de la capsule ou du bouchon 12.In a), an object 10 is presented which presents itself in the form of a bottle whose body 11 is surmounted a closure cap 12. In b), the object 10 is a bottle whose body 11 is surmounted by a screw cap or clipped 12. In c), object 10 is a flat box whose body 11 is surmounted by a cover 12, in particular hinged (such an object will be for example a CD disc envelope). In d), the object 10 is a container whose body 11 is surmounted by a cap possibly screwed 12. In all the cases, the object 10 is equipped with a sleeve 20 retracted on its wall by closely surrounding the part of the object corresponding to the area of the closing device. For the objects illustrated in a) and b), a sleeve whose upper edge covers with a crown denoted 24 the upper face of the capsule or stopper 12.

Il va de soi que les exemples donnés à la figure 2 sont purement illustratifs, et que l'invention n'est aucunement limitée à un type particulier d'objets ni, lorsqu'il s'agit de récipients, à un type particulier de dispositif de fermeture. En particulier, le manchon rétracté pourra être conçu pour rester sur la paroi de l'objet, sans nécessairement être déchirable.It goes without saying that the examples given in the figure 2 are purely illustrative, and that the invention is not in no way limited to a particular type of object nor, in the case of containers, to a particular type of closing device. In particular, the sleeve retracted may be designed to remain on the wall of the object, without necessarily being tearable.

Sur la représentation de la figure 2, chaque manchon 20 est rétracté sur la paroi de l'objet concerné, et l'élément 30 associé est transféré et adhésivé sur la paroi en regard de l'objet, en protégeant le circuit intégré associé 40.In the representation of Figure 2, each sleeve 20 is retracted on the wall of the object concerned, and the associated element 30 is transferred and adhered to the wall facing the object, protecting the circuit integrated associated 40.

Sur la figure 2, l'élément 30 est transféré soit sur la paroi latérale du corps 11 (objets illustrés en a) et d)), soit sur la paroi latérale du capuchon ou couvercle 12 (objets illustrés en b) et c)).In FIG. 2, the element 30 is transferred either on the side wall of the body 11 (objects illustrated in a) and d)), either on the side wall of the cap or cover 12 (objects illustrated in b) and c)).

Lorsque le manchon est rétracté sur l'objet, comme illustré sur les exemples de la figure 2, il n'est pas possible de remarquer que l'élément 30 qui est visible par transparence est en réalité transféré sur la paroi de l'objet. Par contre, après ouverture normale du manchon, ici en utilisant la bande d'arrachage 22, l'élément 30 qui est transféré subsiste au moins en partie sur l'objet, assurant ainsi la fonction souhaitée de certification d'origine, comme un véritable sceau, ainsi que cela est illustré sur la figure 3.When the sleeve is retracted on the object, as illustrated in the examples of figure 2, it is not not possible to notice that the element 30 which is visible by transparency is actually transferred to the wall of the object. On the other hand, after normal opening of the sleeve, here using the tear strip 22, the element 30 which is transferred at least partly remains on the object, thus ensuring the desired certification function original, like a real seal, as is illustrated in figure 3.

Sur cette figure 3, on a représenté le manchon 20 ouvert, et son enlèvement est schématisé par la flèche 100. Les objets 10 illustrés en a), b), c) et d), qui correspondent à ceux précédemment illustrés sur la figure 2, portent sur leur paroi l'élément transféré par suite de la réactivation de l'adhésif associé.In this figure 3, the sleeve 20 is shown open, and its removal is shown diagrammatically by the arrow 100. The objects 10 illustrated in a), b), c) and d), which correspond to those previously illustrated in FIG. 2, bear on their wall the element transferred as a result of reactivation of the associated adhesive.

En l'espèce, on a illustré un élément transférable à structure multicouche, c'est-à-dire qu'une partie notée 31 est effectivement transférée sur l'objet 10 par suite de la mise en oeuvre du procédé de l'invention, tandis qu'une partie notée 32 reste liée au manchon qui est enlevé. Une telle structure sera décrite plus en détail plus loin en référence à la figure 6. In this case, a transferable element has been illustrated multilayer structure, that is to say that a part denoted 31 is effectively transferred to object 10 by following the implementation of the method of the invention, while a part denoted 32 remains linked to the sleeve which is removed. Such a structure will be described in more detail further on with reference to Figure 6.

Il est ainsi possible de mettre en oeuvre un procédé de marquage conforme à l'invention, selon lequel on dispose sur la surface intérieure du film 21 constitutif du manchon 20 un élément transférable 30 dont la face libre est revêtue d'une couche d'adhésif réactivable avec sur cette couche un circuit intégré 40, après quoi on chauffe le manchon 20 ainsi équipé et enfilé sur l'objet 10 pour rétracter ledit manchon et plaquer ledit élément transférable avec son circuit intégré sur la paroi en regard de l'objet 10, et on réactive l'adhésif de la couche d'adhésif réactivable afin que l'élément transférable 30 adhère à l'objet 10 et applique le circuit intégré associé 40 contre la paroi dudit objet.It is thus possible to implement a marking method according to the invention, according to which has on the inner surface of the film 21 constituting the sleeve 20 a transferable element 30 with the free face is coated with a layer of reactivatable adhesive with on this layer an integrated circuit 40, after which we heat the sleeve 20 thus equipped and threaded onto the object 10 to retract said sleeve and press said transferable element with its integrated circuit on the wall opposite object 10, and we reactivate the adhesive of the adhesive layer reactivable so that the transferable element 30 adheres to object 10 and apply the associated integrated circuit 40 against the wall of said object.

La réactivation de l'adhésif de la couche d'adhésif réactivable est de préférence effectuée simultanément à la thermorétraction du manchon 20 sur l'objet 10. En particulier, l'adhésif peut être thermoréactivable, et sa réactivation être réalisée par le chauffage du manchon 20 en vue de la rétraction de ce dernier sur l'objet 10. On choisira alors un matériau adhésif qui est réactivable à une température égale ou voisine de la température de rétraction du manchon. On profite alors au mieux de l'effet mécanique associé à la rétraction du manchon, qui exerce une force d'application dirigée vers la paroi de l'objet, et de l'effet thermique associé à la réactivation de l'adhésif, la combinaison de ces effets réalisant un transfert optimal.Reactivation of the adhesive from the adhesive layer reactivable is preferably carried out simultaneously by heat shrinking the sleeve 20 on the object 10. In in particular, the adhesive can be heat-activated, and its reactivation be carried out by heating the sleeve 20 in view of the retraction of the latter on the object 10. We will then choose an adhesive material that is reactivable to a temperature equal to or close to the temperature of sleeve retraction. We then make the most of the effect mechanical associated with the retraction of the sleeve, which exerts an application force directed towards the wall of the object, and the thermal effect associated with the reactivation of the adhesive, the combination of these effects optimal transfer.

La figure 4 illustre plus en détail l'agencement du manchon 20 conforme à l'invention, à l'état rétracté sur la paroi d'un objet. La structure de l'élément transférable 30 est représentée sommairement (enveloppant le circuit intégré associé 40), avec une couche de support 32 en matière plastique transparente adhérant à la face interne notée 25 du film 21 constitutif du manchon 20, et avec une forme plate métallisée notée 31, qui est ici constituée par une couche de métallisation holographique, portée par cette couche de support 32. A la différence des techniques connues, la couche 31 de métallisation holographique est transférable et elle adhère par au moins une zone 33 à la paroi notée 13 de l'objet 10.Figure 4 illustrates in more detail the arrangement of the sleeve 20 according to the invention, in the retracted state on the wall of an object. The structure of the transferable element 30 is briefly shown (wrapping the circuit associated integrated 40), with a support layer 32 in transparent plastic adhering to the inside denoted 25 of the film 21 constituting the sleeve 20, and with a metallized flat shape denoted 31, which is here constituted by a holographic metallization layer, carried by this support layer 32. Unlike techniques known, the holographic metallization layer 31 is transferable and it adheres by at least one zone 33 to the wall denoted 13 of object 10.

Lorsque le film 21 constitutif du manchon est à plat, sa face interne 25 se présente conformément à l'illustration donnée à la figure 5.When the film 21 constituting the sleeve is at flat, its internal face 25 is presented in accordance with the illustration given in figure 5.

On reconnait sur cette figure la présence de l'élément transférable 30 avec sur sa face libre la couche 33 qui est une couche d'adhésif réactivable, notamment thermoréactivable, et de la bande d'arrachage 22 avec son extrémité de préhension 23. On distingue également deux bandes d'extrémité notées 26.1, 26.2 qui sont superposées lorsque le manchon est constitué, la zone de recouvrement correspondant à un scellage formant ledit manchon.We recognize in this figure the presence of the transferable element 30 with the layer on its free face 33 which is a layer of reactivatable adhesive, in particular thermoreactivable, and the tear strip 22 with its gripping end 23. We also distinguish two end bands marked 26.1, 26.2 which are superimposed when the sleeve is formed, the overlap area corresponding to a seal forming said sleeve.

On distingue aussi le circuit intégré 40, agencé sur la face libre adhésive 33 de l'élément transférable 30, et dont le contour s'intègre ici géométriquement à l'intérieur du contour dudit élément transférable. Le circuit intégré 40 doit naturellement être mis en place sur l'élément transférable 30 avant que le manchon soit enfilé sur l'objet.There is also an integrated circuit 40, arranged on the adhesive free face 33 of the transferable element 30, and whose outline fits geometrically inside here of the outline of said transferable element. The circuit integrated 40 must naturally be set up on the transferable element 30 before the sleeve is threaded on the object.

La figure 6 permet de mieux distinguer la structure multicouche de l'élément transférable 30, avec son circuit intégré 40, qui est associé à la paroi interne 25 du film 21 constitutif manchon 20 en matière plastique thermorétractable.Figure 6 makes it easier to distinguish the structure multilayer of the transferable element 30, with its integrated circuit 40, which is associated with the internal wall 25 of the film 21 constituting the plastic sleeve 20 heat shrink.

L'élément transférable 30 comporte une forme métallisée 31, qui est par exemple constituée par une couche de métallisation holographique, et qui est portée par une couche de support 32 en matière plastique transparente, cette dernière couche adhérant à la face interne 25 grâce à une mince couche adhésive 35, par exemple un vernis thermocollant transparent. La couche de support 32 pourra par exemple être réalisée en polyéthylène ou en polyéthylène téréphtalate.The transferable element 30 has a shape metallized 31, which is for example constituted by a holographic metallization layer, and which is worn by a support layer 32 of transparent plastic, this last layer adhering to the internal face 25 thanks to a thin adhesive layer 35, for example a varnish transparent fusible. The support layer 32 may for example be made of polyethylene or polyethylene terephthalate.

A la différence des éléments holographiques connus, la couche 31 de métallisation holographique d'une part présente sur sa face libre une couche 33 d'adhésif réactivable, et d'autre part est liée à la couche de support 32 par une couche de liaison à transfert 34 permettant une dissociation totale ou partielle de la couche 31 de métallisation holographique en vue de son transfert sur la paroi 13 de l'objet et de son collage sur cette paroi par suite d'une réactivation de la couche d'adhésif 33. La couche 33 d'adhésif réactivable confère alors à la face libre de la couche 31 de métallisation holographique, par suite d'une réactivation de ladite couche 33, notamment à chaud si l'on utilise un adhésif thermoréactivable, une adhésivité à la paroi de l'objet qui est supérieure à la force de maintien donnée par la couche 34 de liaison à transfert, cette dernière pouvant être constituée sous la forme d'un vernis de transfert, par exemple à base d'agents répulsifs (de tels vernis sont dénommés "release" par les anglo-saxons). Ainsi, si l'on utilise un adhésif thermoréactivable convenable, la chaleur accompagnant la thermorétraction du manchon 21 a pour effet de réactiver la couche adhésive 33 qui vient alors adhésiver intimement la couche 31 de métallisation holographique à la paroi de l'objet. Comme indiqué plus haut, l'adhésif réactivable à chaud sera choisi avec une température de réactivation égale ou voisine de la température de rétraction du manchon : on assure ainsi la simultanéité des opérations de rétraction du manchon/ et de transfert-adhésion de l'élément transférable.Unlike holographic elements known, the holographic metallization layer 31 of a part has on its free face a layer 33 of adhesive reactivable, and on the other hand is related to the layer of support 32 by a transfer bonding layer 34 allowing a total or partial dissociation of the layer 31 of holographic metallization for sound transfer to the wall 13 of the object and its collage on this wall as a result of a reactivation of the layer of adhesive 33. The layer 33 of reactivatable adhesive provides then on the free face of the metallization layer 31 holographic, following a reactivation of said layer 33, especially hot if using an adhesive heat-activated, an adhesiveness to the wall of the object which is greater than the holding force given by the layer 34 transfer link, the latter can be constituted in the form of a transfer varnish, by example based on repellents (such varnishes are called "release" by the Anglo-Saxons). So if we use suitable heat-activated adhesive, heat accompanying the heat shrinkage of the sleeve 21 has the effect reactivate the adhesive layer 33 which then adhesives intimately layer 31 of holographic metallization to the object wall. As indicated above, the adhesive hot-reactivable will be chosen with a temperature of reactivation equal to or close to the shrink temperature sleeve: this ensures simultaneity of sleeve retraction / transfer-adhesion operations of the transferable item.

Le transfert de l'élément 30 peut être total, auquel cas la couche adhésive 33 réactivable à chaud concerne toute la face libre de la couche 31 de métallisation holographique. Ce transfert peut en variante ne concerner qu'une partie seulement de l'élément 30, auquel cas la couche adhésive 33 concerne une partie seulement de la face libre de la couche 31. La partie transférée de l'élément 30 peut alors être organisée selon un motif prédéterminé (non représenté ici). Dans ce cas, si le manchon 20 est enlevé, la partie transférée du motif se retrouve sur l'objet, tandis que la partie non transférée est enlevée avec la paroi déchirée du manchon.The transfer of the element 30 can be total, in which case the hot-reactivatable adhesive layer 33 concerns the entire free face of metallization layer 31 holographic. This transfer may alternatively not concern only a part of element 30, to which case the adhesive layer 33 concerns only part of the free face of layer 31. The part transferred from element 30 can then be organized according to a pattern predetermined (not shown here). In this case, if the sleeve 20 is removed, the transferred part of the pattern found on the object, while the non-transferred part is removed with the torn wall of the sleeve.

L'élément transférable 30, ou plus précisément sa couche 31 de métallisation holographique, pourra présenter un décor à dominante argentée ou dorée, ce qui permet de faciliter la reconnaissance visuelle de la partie transférée de cet élément.The transferable element 30, or more precisely its layer 31 of holographic metallization, may have a predominantly silver or gold decor, which allows facilitate visual recognition of the transferred part of this element.

Lorsque le manchon 20 est rétracté sur l'objet, le circuit intégré 40 est par ailleurs fermement appliqué contre la paroi de l'objet 10 lorsque le manchon est rétracté et que l'adhésif de la couche 33 est réactivé. Ce circuit intégré 40 est alors parfaitement maintenu contre la paroi de l'objet en étant protégé par la paroi du manchon, tout en restant invisible de l'extérieur si comme c'est le cas ici le contour de ce circuit intégré est prévu pour s'intégrer géométriquement à l'intérieur du contour de l'élément transférable 30. On pourra ainsi organiser le codage d'un message promotionnel ou la détection par un système adapté (la paroi du manchon étant totalement inerte pour l'écriture ou la lecture d'informations enregistrées dans le circuit intégré). Il est à noter qu'une destruction de l'élément transféré sur l'objet entraínerait aussi celle du circuit intégré 40, ce qui confère un degré supplémentaire de sécurité. Inversement, toute tentative d'intervention sur le circuit intégré a automatiquement pour effet de détruire l'élément transféré, que celui-ci soit holographique ou non.When the sleeve 20 is retracted on the object, the integrated circuit 40 is moreover firmly applied against the wall of the object 10 when the sleeve is retracted and the adhesive of layer 33 is reactivated. This integrated circuit 40 is then perfectly held against the wall of the object being protected by the wall of the sleeve, while remaining invisible from the outside if like this is the case here the outline of this integrated circuit is provided to integrate geometrically inside the outline of transferable element 30. This will allow us to organize the coding of a promotional message or detection by a suitable system (the wall of the sleeve being completely inert for writing or reading recorded information in the integrated circuit). It should be noted that destruction of the element transferred to the object would also cause that of the integrated circuit 40, which gives an additional degree of security. Conversely, any attempted intervention on the integrated circuit automatically has the effect of destroy the transferred element, whether it is holographic or not.

On est ainsi parvenu à combiner pour la première fois la fonction d'identification pour le consommateur (éventuellement sécurisée) et la fonction de traçabilité des produits pour les professionnels (grâce au circuit intégré qui est supporté et protégé par l'élément transféré).We thus managed to combine for the first times the identification function for the consumer (possibly secure) and the traceability function products for professionals (thanks to the circuit which is supported and protected by the transferred element).

Par ailleurs, bien que l'on ait illustré des enveloppes de sécurité équipées d'un élément transférable 30 unique, il va de soi que l'on pourra prévoir un manchon équipé de plusieurs éléments transférables 30.In addition, although we have illustrated security envelopes equipped with a transferable element 30 single, it goes without saying that we can provide a sleeve equipped with several transferable elements 30.

L'invention n'est pas limitée aux modes de réalisation qui viennent d'être décrits, mais englobe au contraire toute variante reprenant, avec des moyens équivalents, les caractéristiques essentielles énoncées plus haut.The invention is not limited to the modes of realization which have just been described, but includes at on the contrary any variant taking over, with means equivalent, the essential characteristics stated upper.

Claims (13)

  1. A method of marking an article by transfer from a sleeve of heat-shrink plastics material which is shrunken on the article, the method being characterized in that a transferable element (30) whose free face is coated in a layer (33) of reactivatable adhesive, together with an integrated circuit (40) on said layer, is placed on the inside surface (25) of the film constituting the sleeve (20), after which the sleeve (20) fitted in this way is engaged on the article (10) and is heated so as to shrink said sleeve and press said transferable element together with its integrated circuit onto the facing wall of the article (10), and the adhesive of the layer (33) of reactivatable adhesive is reactivated so that the transferable element (30) adheres to the article (10) and presses the associated integrated circuit (40) against the wall of said article.
  2. A method according to claim 1, characterized in that the integrated circuit (40) is previously disposed on the layer (33) of reactivatable adhesive in such a manner that the outline of said circuit lies geometrically within the outline of the transferable element (30).
  3. A method according to claim 1 or claim 2, characterized in that the adhesive of the layer (33) of reactivatable adhesive is reactivated simultaneously with the sleeve (20) being heat-shrunk onto the article (10).
  4. A method according to claim 3, characterized in that the adhesive of the layer (33) is heat-reactivatable, with reactivation thereof being performed by heating the sleeve (20) in order to shrink onto the article (10).
  5. A sleeve (20) of heat-shrinkable plastics material for implementing the marking method according to at least one of claims 1 to 4, the sleeve being characterized in that it includes, on its inside face (25), a transferable element (30) whose free face is coated in a layer (33) of reactivatable adhesive together with an integrated circuit (40) on said layer.
  6. A sleeve (20) according to claim 5, characterized in that the integrated circuit (40) is organized in such a manner that its outline lies geometrically within the outline of the transferable element (30).
  7. A sleeve (20) according to claim 5 or claim 6, characterized in that the layer (33) of reactivatable adhesive covers the entire free face of the transferable element (30) so that said element is transferred in full onto the wall of the article (10) on reactivation of the adhesive.
  8. A sleeve (20) according to claim 5 or 6, characterized in that the layer (33) of reactivatable adhesive applies to a portion only of the free face of the transferable element (30) so that said element is transferred in part onto the wall of the article (10) following reactivation of the adhesive.
  9. A sleeve (20) according to any one of claims 5 to 8, characterized in that the layer (33) of adhesive is reactivatable by heat.
  10. A sleeve (20) according to claim 9, characterized in that the heat-reactivatable adhesive constituting the layer (33) is reactivatable at a temperature that is equal to or close to the shrinkage temperature of said sleeve.
  11. A sleeve (20) according to any one of claims 5 to 10, characterized in that the transferable element (30) is constituted by a metallized flat shape (31) carried by a support layer (32) of transparent plastics material adhering to the inside face of the sleeve, the metallized shape (31) being bonded to said support layer (33) by a transfer bonding layer (34) enabling said metallized shape to be totally or partially dissociated therefrom for transfer onto the wall of the article (10) and for adhesion thereof on said wall on reactivation of the layer (33) of reactivatable adhesive.
  12. A sleeve (20) according to claim 11, characterized in that the metallized flat shape (31) is constituted by a layer of holographic metallization.
  13. A sleeve (20) according to claim 12, characterized in that the layer of holographic metallization (31) is of an appearance that is mainly silver-colored or gold-colored.
EP97943036A 1996-10-07 1997-10-01 Method for marking objects by transfer from a sleeve tube of heat-shrinkable plastic material which is shrunk on the object, and sleeve tube for implementing said method Expired - Lifetime EP1021353B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9612182A FR2754248B1 (en) 1996-10-07 1996-10-07 METHOD FOR MARKING OBJECTS BY TRANSFER FROM A SLEEVE MADE OF HEAT-SHRINK PLASTIC MATERIAL WHICH IS SHRINKED OVER THE OBJECT, AND SLEEVE INTENDED FOR THE IMPLEMENTATION OF SAID METHOD
FR9612182 1996-10-07
PCT/FR1997/001732 WO1998015469A1 (en) 1996-10-07 1997-10-01 Method for marking objects by transfer from a sleeve tube of heat-shrinkable plastic material which is shrunk on the object, and sleeve tube for implementing said method

Publications (2)

Publication Number Publication Date
EP1021353A1 EP1021353A1 (en) 2000-07-26
EP1021353B1 true EP1021353B1 (en) 2001-08-29

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Application Number Title Priority Date Filing Date
EP97943036A Expired - Lifetime EP1021353B1 (en) 1996-10-07 1997-10-01 Method for marking objects by transfer from a sleeve tube of heat-shrinkable plastic material which is shrunk on the object, and sleeve tube for implementing said method

Country Status (11)

Country Link
US (1) US6113720A (en)
EP (1) EP1021353B1 (en)
AT (1) ATE204823T1 (en)
AU (1) AU4465897A (en)
BR (1) BR9712206A (en)
CA (1) CA2268349C (en)
DE (1) DE69706446T2 (en)
ES (1) ES2163198T3 (en)
FR (1) FR2754248B1 (en)
PT (1) PT1021353E (en)
WO (1) WO1998015469A1 (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2754375B1 (en) * 1996-10-07 1998-11-20 Sleever Int SECURITY ENCLOSURE FOR OBJECTS, PARTICULARLY FOR CONTAINERS WITH A CLOSING DEVICE, OF THE TYPE CONSISTING OF A SLEEVE OF HEAT-SHRINKABLE PLASTIC MATERIAL HAVING A HOLOGRAPHIC ELEMENT
FR2792912B1 (en) 1999-04-27 2001-05-25 Manuf Lyonnaise De Bouchage Ml PROCESS FOR THE MANUFACTURE OF ANTI-THEFT AND / OR TRACEABILITY DEVICES ASSOCIATED WITH CAPPING AND OVERCOATING MEANS
US6641052B2 (en) 2001-06-07 2003-11-04 Procap Technologies System and method for authentication of the contents of containers
FR2854722B1 (en) * 2003-05-05 2007-01-05 Fors France DEVICE FOR ANTI-THEFT CASE
US20050017501A1 (en) * 2003-07-22 2005-01-27 Adrian Gluck Sports items with hidden memorabilia
US7011425B2 (en) * 2003-08-01 2006-03-14 S.C. Johnson & Son, Inc. Luminary product
EP2183106B1 (en) * 2007-08-24 2016-10-12 Selig Sealing Products, Inc. Multi-purpose covering for hygienically covering a container top
FR2998881B1 (en) * 2012-12-04 2015-02-20 Arjowiggins Security OVERLAYING DEVICE AND METHOD FOR IMPLEMENTING THE SAME.
EP2874136A1 (en) * 2013-11-15 2015-05-20 Matteo Marchesano Device for recognising the authenticity of a packaged product to be sold
DE202016004776U1 (en) 2016-08-05 2016-09-08 Schloemer GmbH Winding sleeve for marking tubular components
FR3058130B1 (en) * 2016-11-03 2018-12-07 Sleever International Company SECURITY ENVELOPE AND CONTAINER COVERED WITH SUCH AN ENVELOPE
EP3595977B1 (en) * 2017-03-16 2021-02-24 Sealed Air Corporation (US) Identification of shrink-wrapped objects
DE102019127342B3 (en) * 2019-10-10 2021-03-25 Hologram Industries Research Gmbh Banderole for product identification of cigars and a method for attaching a banderole to a product

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Publication number Priority date Publication date Assignee Title
CH674639A5 (en) * 1988-06-10 1990-06-29 Arysearch Arylan Ag
AU3759493A (en) * 1992-03-16 1993-10-21 Trigon Industries Limited Information indicating device
US5292018A (en) * 1992-07-07 1994-03-08 Travisano Frank P Tamper evident seal and system
CA2192848C (en) * 1994-07-20 2001-01-02 Michael J. Rice Tamper evident shrink band
US5795209A (en) * 1996-01-02 1998-08-18 Moore; Steven Jerome Package amusement device and method
US6020823A (en) * 1998-07-10 2000-02-01 Decicco; Richard J. Decorative packaging with special effects

Also Published As

Publication number Publication date
ATE204823T1 (en) 2001-09-15
PT1021353E (en) 2002-02-28
DE69706446D1 (en) 2001-10-04
BR9712206A (en) 1999-08-31
CA2268349C (en) 2003-05-20
DE69706446T2 (en) 2002-05-16
FR2754248B1 (en) 1998-11-20
WO1998015469A1 (en) 1998-04-16
ES2163198T3 (en) 2002-01-16
EP1021353A1 (en) 2000-07-26
FR2754248A1 (en) 1998-04-10
CA2268349A1 (en) 1998-04-16
AU4465897A (en) 1998-05-05
US6113720A (en) 2000-09-05

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