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EP3178660B1 - Élement de securite personnalisable - Google Patents

Élement de securite personnalisable Download PDF

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Publication number
EP3178660B1
EP3178660B1 EP15003477.5A EP15003477A EP3178660B1 EP 3178660 B1 EP3178660 B1 EP 3178660B1 EP 15003477 A EP15003477 A EP 15003477A EP 3178660 B1 EP3178660 B1 EP 3178660B1
Authority
EP
European Patent Office
Prior art keywords
layer
carrier substrate
security element
coating
liquid
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.)
Active
Application number
EP15003477.5A
Other languages
German (de)
English (en)
Other versions
EP3178660A1 (fr
EP3178660B2 (fr
Inventor
Marco Mayrhofer
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.)
Hueck Folien GmbH
Original Assignee
Hueck Folien GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=55023823&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP3178660(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Hueck Folien GmbH filed Critical Hueck Folien GmbH
Priority to EP15003477.5A priority Critical patent/EP3178660B2/fr
Priority to PL15003477T priority patent/PL3178660T3/pl
Priority to ES15003477T priority patent/ES2724550T3/es
Publication of EP3178660A1 publication Critical patent/EP3178660A1/fr
Publication of EP3178660B1 publication Critical patent/EP3178660B1/fr
Application granted granted Critical
Publication of EP3178660B2 publication Critical patent/EP3178660B2/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/20—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose
    • B42D25/21—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose for multiple purposes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/20—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose
    • B42D25/25—Public transport tickets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/36—Identification or security features, e.g. for preventing forgery comprising special materials
    • B42D25/364—Liquid crystals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/40—Manufacture
    • B42D25/405—Marking
    • B42D25/41—Marking using electromagnetic radiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/40—Manufacture
    • B42D25/45—Associating two or more layers
    • B42D25/465—Associating two or more layers using chemicals or adhesives
    • B42D25/47—Associating two or more layers using chemicals or adhesives using adhesives

Definitions

  • the invention relates to a security element which can be used as a label or security feature for documents of value, objects, packaging and the like and which can be provided in a simple manner with individual information.
  • Patent document WO 01/62509 A1 discloses a personalizable security element comprising a backing layer, an adhesive layer, and a liquid crystal layer.
  • the first carrier substrate may be provided with a self-adhesive coating on top of the laser-writable black metal coating or thermoactivatable dye coating.
  • first carrier substrate for example, flexible plastic films, for example, from PI, PP, MOPP, PE, PPS, PEEK, PEK, PEI, PSU, PAEK, LCP, PEN, PBT, PET, PA, PC, COC, POM, ABS, PVC, PTFE, ETFE (ethylene tetrafluoroethylene), PFA (tetrafluoroethylene-perfluoropropyl vinyl ether-fluorocopolymer), MFA (tetrafluoro-methylene-perfluoropropyl vinyl ether fluorocopolymer), PTFE (polytetrafluoroethylene), PVF (polyvinyl fluoride), PVDF (polyvinylidene fluoride), and EFEP (ethylene-tetrafluoroethylene-hexafluoropropylene fluoropolymer).
  • carrier substrates made of PET are used.
  • the carrier films preferably have a thickness of 5 to 700 .mu.
  • the first carrier substrate may consist of a paper.
  • This paper substrate consists of pulp-free or cellulose-containing paper, or of a composite of paper, for example with plastics, which paper substrate may have a basis weight of 20-500 g / m 2 , preferably 40-200 g / m 2 .
  • the first support substrate may comprise a laser-writable black metallic coating, for example of non-stoichiometric metal oxide or mixtures of metals and metal oxides.
  • a suitable laser-writable black metallization is for example in the EP 1 567 363 B describe.
  • the plastic film may have a coating of a thermoactivatable dye (direct thermal coating).
  • a thermoactivatable dye direct thermal coating
  • coatings containing, for example, leuco dyes are suitable as direct thermal coating.
  • a coating of a liquid-crystalline material or a layer of an optionally transparent Farbkipp conciselacks is applied.
  • the Farbkipp compactlack can also be applied directly to the existing on the first carrier substrate coating.
  • the plastic film may consist of the same material as the first carrier substrate or else consist of a different material than the first carrier substrate.
  • This coating of a liquid crystalline material may consist of a printing ink containing pigments of liquid crystal material.
  • the pigments consist of cholesteric or a mixture of nematic and cholesteric liquid crystals.
  • the coating may be made of a liquid-crystalline material as a polymer layer.
  • the two carrier substrates can then optionally be laminated against one another by means of a laminating adhesive, the layers present on the respective carrier substrates adjoining one another.
  • a self-adhesive coating can be applied to the surface of this carrier substrate opposite the coating of the second carrier substrate.
  • the security element can be fixed as a label on the object to be secured.
  • the security element according to the invention can then be personalized or later. This makes it possible to customize the printing in each case to the desired requirements and also to customize.
  • the printing can be in the form of characters, letters, numbers, symbols images or even in the form of an encoding, such as a barcode.
  • the printing may contain, for example, security-relevant information, such as, for example, coding, product-specific data, production data, batch identifications and the like.
  • the security element has a laser-writable black coating
  • the security element is described by means of a laser.
  • the color shift effect is initially visible on the entire security element, after the treatment by means of a laser, the color shift effect is extinguished in the described areas.
  • a suitable laser-writable black metallization is for example in the EP 1 567 363 B describe.
  • FIGS. 1 to 3 inventive structures of the security label are shown.
  • FIG. 1 shows an embodiment of the security element according to the invention in which a paper substrate 1, which has a coating with a thermally activatable dye is provided with a connected via a laminating adhesive layer 2 layer of a liquid crystal material 3. Subsequently, the security element is printed in a direct thermal process from the side of the layer of liquid-crystalline material 3.
  • FIG. 1 a shows the condition after the printing of the security element Fig. 1 , In area 8, the security element is provided with a printing 12. The resulting dark background in the printing area clearly and brilliantly recognizes the color shift effect in the area of the printing 12 (letters H and F). Outside of the printed area, ie in the area 9, the color-shift effect is only very weakly or not at all recognizable.
  • FIG. 2 an embodiment of the security element according to the invention is shown, in which a plastic film 4 is provided with a laser-writable black metallic layer 5. On this layer 5, a layer of a Farbkipp solack 3a is applied directly.
  • the security element has a full-surface color shift effect.
  • the security element is described by means of a laser.
  • FIG. 2a the security element is shown after the laser inscription.
  • the black metallization is destroyed in the area 10, the color shift effect in this area essentially extinguished almost entirely.
  • the color shift effect is barely noticeable in the range 10 (letters H and F), within the range 11 the color shift effect is clearly and brilliantly recognizable.
  • FIG. 2b shows the security element FIG. 2a in supervision after the laser inscription.
  • FIG. 3 shows a further embodiment of the security element according to the invention, which can be used for example in the form of a security label.
  • a layer of a liquid-crystalline material 3 connected via a laminating adhesive layer 2 is applied to a carrier substrate made of a plastic film 1a provided with a coating of a thermoactivatable dye.
  • a self-adhesive coating 6 is applied on the opposite surface of this layer structure.
  • the security element then becomes how to FIG. 1 executed printed by a direct thermal process.
  • the security element can be connected by means of the self-adhesive coating 6 with the object to be secured 7.
  • the security elements according to the invention are optionally suitable after appropriate packaging in or on data carriers, in particular documents of value such as identification cards, banknotes or labels, seals and the like, but also as packaging material, for example in the pharmaceutical, electronics and / or food industry, for example in the form of Blister foils, cartons, covers, foil packaging and the like.
  • the substrates or film materials are preferably cut into strips or threads or patches, the width of the strips or threads preferably being 0.05-10 mm and the patches preferably having average widths or lengths of 0.3 - 20 mm
  • the film material is preferably cut into strips, tapes, threads or patches, wherein the width of the threads, strips or tapes is preferably 0.05-50 mm and the patches preferably have average widths and lengths of 2. 30 mm.
  • the security elements according to the invention are used as labels for securing data carriers, products or packaging.

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  • Toxicology (AREA)
  • Manufacturing & Machinery (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
  • Heat Sensitive Colour Forming Recording (AREA)
  • Credit Cards Or The Like (AREA)
  • Laminated Bodies (AREA)

Claims (7)

  1. Élément de sécurité personnalisable présentant un substrat de support et une couche optiquement variable, caractérisé en ce que l'élément de sécurité présente la succession de couches suivante :
    a) un substrat de support constitué d'une feuille plastique flexible, qui présente un revêtement métallique noir inscriptible au laser ou un revêtement en un colorant thermoactivable ou en papier, qui présente un revêtement direct thermique
    b) le cas échéant une couche adhésive contrecollée
    c) une couche en un matériau à cristaux liquides ou en un vernis avec effet de changement de couleur.
  2. Élément de sécurité selon la revendication 1, caractérisé en ce que le revêtement métallique inscriptible au laser est constitué d'oxydes métalliques non stoechiométriques ou de mélanges de métaux et d'oxydes métalliques.
  3. Élément de sécurité selon l'une quelconque des revendications 1 ou 2, caractérisé en ce que la couche en un matériau à cristaux liquides est constituée d'une encre, qui contient des pigments en matériau à cristaux liquides, comme des pigments en cristaux liquides cholestériques ou un mélange de cristaux liquides nématiques et cholestériques.
  4. Élément de sécurité selon l'une quelconque des revendications 1 ou 2, caractérisé en ce que la couche en matériau à cristaux liquides est une couche de polymère.
  5. Élément de sécurité selon l'une quelconque des revendications 1 ou 2, caractérisé en ce que le vernis avec effet de changement de couleur se compose d'une encre, qui contient des pigments d'interférence.
  6. Procédé de fabrication d'une étiquette de sécurité personnalisable, caractérisé par les étapes de procédé suivantes :
    a) mise à disposition d'un premier substrat de support en une feuille plastique flexible, qui présente sur une surface un revêtement métallique noir inscriptible au laser ou en une feuille plastique flexible ou en un papier, qui présente un revêtement en un colorant thermoactivable
    b) mise à disposition d'un deuxième substrat de support en une feuille plastique flexible
    c) application d'une couche en matériau à cristaux liquides sur le deuxième substrat de support
    d) le cas échéant application d'une couche adhésive contrecollée sur la couche en matériau à cristaux liquides
    e) contrecollage de la structure en couches du premier substrat de support contre la couche présente sur le deuxième substrat de support,
    f) retrait du deuxième substrat de support
    g) impression de l'élément de sécurité avec un procédé direct thermique, ce par quoi l'effet de changement de couleur de la couche en matériau à cristaux liquides devient visible dans la zone de l'impression,
    ou
    b1) application d'une couche de vernis avec effet de changement de couleur sur le deuxième substrat de support
    c1) le cas échéant application d'une couche adhésive contrecollée sur la couche de vernis avec effet de changement de couleur
    d1) contrecollage de la structure en couches du premier substrat de support contre la couche présente sur le deuxième substrat de support,
    e1) retrait du deuxième substrat de support
    f1) inscription sur l'élément de sécurité avec un faisceau laser, ce par quoi l'effet de changement de couleur de la couche de vernis avec effet de changement de couleur est détruit dans la zone de l'impression.
  7. Utilisation des éléments de sécurité selon l'une quelconque des revendications 1 à 5 en tant qu'éléments de sécurité ou étiquette de sécurité dans ou sur des supports de données, produits ou emballages.
EP15003477.5A 2015-12-07 2015-12-07 Élement de securite personnalisable Active EP3178660B2 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP15003477.5A EP3178660B2 (fr) 2015-12-07 2015-12-07 Élement de securite personnalisable
PL15003477T PL3178660T3 (pl) 2015-12-07 2015-12-07 Personalizowany element zabezpieczający
ES15003477T ES2724550T3 (es) 2015-12-07 2015-12-07 Elemento de seguridad personalizable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP15003477.5A EP3178660B2 (fr) 2015-12-07 2015-12-07 Élement de securite personnalisable

Publications (3)

Publication Number Publication Date
EP3178660A1 EP3178660A1 (fr) 2017-06-14
EP3178660B1 true EP3178660B1 (fr) 2019-02-06
EP3178660B2 EP3178660B2 (fr) 2022-12-28

Family

ID=55023823

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15003477.5A Active EP3178660B2 (fr) 2015-12-07 2015-12-07 Élement de securite personnalisable

Country Status (3)

Country Link
EP (1) EP3178660B2 (fr)
ES (1) ES2724550T3 (fr)
PL (1) PL3178660T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021207161A1 (de) 2021-07-07 2023-01-12 Tesa Se Lösbares Folienlaminat und Verfahren zum Lösen dauerhafter Verklebungen

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020209557B4 (de) 2019-07-31 2022-01-27 Tesa Se Lösbares Folienlaminat, Verwendung und Verfahren zum Lösen dauerhafter Verklebungen

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CA2155233A1 (fr) 1995-08-02 1997-02-03 Michael J. Markiewicz Article plastifie servant de piece d'identite
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EP1281538A2 (fr) 2001-07-02 2003-02-05 MERCK PATENT GmbH Marquage optiquement variable
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EP1584647A1 (fr) 2004-03-26 2005-10-12 Hueck Folien Ges.m.b.H Matériau en feuille ayant des caractéristiques optiques
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EP1661729A2 (fr) 2004-11-30 2006-05-31 MERCK PATENT GmbH Marquage au laser sur document de valeur
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EP1281538A2 (fr) 2001-07-02 2003-02-05 MERCK PATENT GmbH Marquage optiquement variable
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EP1609619A2 (fr) 2004-06-25 2005-12-28 Giesecke & Devrient GmbH Elément de sécurité avec motifs insérés
EP1661729A2 (fr) 2004-11-30 2006-05-31 MERCK PATENT GmbH Marquage au laser sur document de valeur
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EP2174796A1 (fr) 2008-10-07 2010-04-14 European Central Bank Document marqué au laser doté d'une couleur fixe dans un environnement doté d'un effet de décalage de couleur
WO2011051682A1 (fr) 2009-10-30 2011-05-05 De La Rue International Limited Améliorations dans des dispositifs de sécurité
WO2013050140A1 (fr) 2011-10-04 2013-04-11 Hueck Folien Ges.M.B.H. Élément de sécurité à effet interférentiel, procédé de production et utilisation
DE102012001121A1 (de) 2012-01-23 2013-07-25 Leonhard Kurz Stiftung & Co. Kg Sicherheitsdokument sowie Verfahren zur Herstellung eines Sicherheitsdokuments

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021207161A1 (de) 2021-07-07 2023-01-12 Tesa Se Lösbares Folienlaminat und Verfahren zum Lösen dauerhafter Verklebungen
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