EP3368330A1 - Élément de sécurité doté d'une structure à effet optique variable - Google Patents

Élément de sécurité doté d'une structure à effet optique variable

Info

Publication number
EP3368330A1
EP3368330A1 EP16793747.3A EP16793747A EP3368330A1 EP 3368330 A1 EP3368330 A1 EP 3368330A1 EP 16793747 A EP16793747 A EP 16793747A EP 3368330 A1 EP3368330 A1 EP 3368330A1
Authority
EP
European Patent Office
Prior art keywords
security element
optically variable
embossing tool
embossing
embossed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP16793747.3A
Other languages
German (de)
English (en)
Other versions
EP3368330B1 (fr
Inventor
Max Voit
Peter Franz
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.)
Giesecke and Devrient Currency Technology GmbH
Original Assignee
Giesecke and Devrient Currency Technology 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
Application filed by Giesecke and Devrient Currency Technology GmbH filed Critical Giesecke and Devrient Currency Technology GmbH
Publication of EP3368330A1 publication Critical patent/EP3368330A1/fr
Application granted granted Critical
Publication of EP3368330B1 publication Critical patent/EP3368330B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B42D25/20—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose
    • 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
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/324—Reliefs
    • 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
    • B42D25/346—Perforations
    • 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
    • B42D25/425—Marking by deformation, e.g. embossing
    • 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
    • B42D25/43—Marking by removal of material
    • B42D25/435—Marking by removal of material using electromagnetic radiation, e.g. laser
    • 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
    • B42D25/43—Marking by removal of material
    • B42D25/44—Marking by removal of material using mechanical means, e.g. engraving
    • 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
    • G09F3/03—Forms or constructions of security seals
    • 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
    • G09F3/03—Forms or constructions of security seals
    • G09F3/0305—Forms or constructions of security seals characterised by the type of seal used
    • G09F3/0341—Forms or constructions of security seals characterised by the type of seal used having label sealing means
    • 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
    • G09F2003/0276—Safety features, e.g. colour, prominent part, logo
    • 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
    • G09F2003/0276—Safety features, e.g. colour, prominent part, logo
    • G09F2003/0277—Tamper resistant

Definitions

  • the invention relates to a security element having an optically variable structure, which has an embossing element embossing structure which is combined with a coating contrasting with the surface of the security element such that at least portions of the coating are visible when viewed from a first viewing angle range when viewed under a second Viewing angle range but at least partially obscured, so that when tilting and / or rotating the security element about an axis, a tilting effect arises.
  • the invention further relates to an embossing tool and a method for producing such a security element.
  • optically variable security elements To protect against imitation, especially with color copiers or other reproduction methods, labels, packaging, folding cartons or other elements for product security and also data carriers, such as banknotes, securities, credit or ID cards, passports, certificates and the like, are equipped with optically variable security elements .
  • the protection against counterfeiting is based on the fact that the visually and simply and clearly recognizable optically variable effect is not or only insufficiently reproduced by the abovementioned reproduction devices.
  • the optically variable security elements have a corresponding feel, which is difficult to copy but easy to check without aids.
  • a data carrier with an optically variable element which consists of an embossed structure and a coating in the form of a printed image or line screen.
  • the GE- embossed structure or the coating are in this case supplemented by a partial change in their structure so that either an amplification of the already known optically variable effect occurs or at least one further visually recognizable effect occurs.
  • the entirety of the optically variable effect produced by the combination of background and embossing and the added effect is visually discernible, but can not be reproduced by means of copying machines. Accordingly, it can serve as information for checking whether it is an original document, or in the presence of the optically variable effects, it can be ruled out that the document was produced using commercially available reproduction techniques.
  • WO 2004/022355 discloses a data carrier with an optically variable structure, which has an embossed structure with raised areas and a first coating which contrasts with the surface of the data carrier.
  • the embossing structure and the coating are combined in such a way that a tilting effect is created when viewing in an alternating vertical and oblique manner.
  • the first coating is only partially provided.
  • the optically variable structure has a second coating which also contrasts with the data carrier surface, which coating is arranged overlapping at least in some areas with respect to the first coating.
  • the invention is therefore the object of developing a generic security element such that the protection against counterfeiting is further increased.
  • At least one second structure is arranged within the optically variable structure, wherein the second structure forms a scoring, a punching or a perforation of the security element, in order to allow buckling, bending or partial removal of the optically variable structure.
  • An optically variable structure in the sense of this invention is a structure whose visual appearance changes when the element is tilted. For example, when the optically variable structure is tilted, its color changes, a bar appears to move from one side to another, tilting displays different characters, or a so-called pumping effect appears in the form of an enlarging or reducing outline of an image motif.
  • a crease of the security element in the sense of this invention is an elongated, linear depression in the surface of the security element, which does not completely cut through the security element and produces a kinking or separating edge.
  • the groove is preferably embossed, cut, scratched or lasered into the surface of the security element and particularly preferably extends from one side of the surface of the security element to an opposite side of the surface of the security element.
  • a perforation of the security element in the sense of this invention is an at least partial severing of the security element in the form of blind holes, which do not completely sever the security element, or of holes which completely cut through the security element.
  • the outline shape of such a blind hole or hole may, for example, be circular, elliptical, linear or in the form of any desired pattern.
  • Particularly preferred is a plurality of blind holes or Holes introduced into the security element, which are strung together in a line, so that a kink or separation edge is formed.
  • a punching of the security element in the sense of this invention represents a perforation of the security element, which forms a tear-off or detachment edge for tearing or detachment of parts of the security element.
  • the punching thus enables partial removal of the security element, with parts of the security element being removed and removed from the security element along a predetermined separation edge or in a predetermined pattern.
  • the embossing structure consists of grid-shaped embossed elements, wherein the grid is in particular designed as a line grid with a constant screen ruling.
  • the embossing elements are configured in the shape of nubs, pyramids or roof-shaped roofs, whereby even more complex embossing structures can be used, as can be seen for example
  • the second structure is linear, wherein the second structure is preferably arranged parallel to the line grid of the embossed structure but can also be arranged at any other angle to the line grid of the embossed structure.
  • the embossed structure is divided into individual subregions.
  • the embossed structures are aligned in one area in one direction and the embossed structures in an adjacent area in another direction.
  • the embossed structures of all subareas are linearly-shaped walmdachför- shaped structures, wherein the longitudinal edges of the roof-shaped structures in a partial area in one direction and in an adjacent portion in a different direction.
  • the longitudinal edges of the roof-shaped structures of adjacent subareas are arranged at right angles to one another.
  • the height and / or lateral dimension of the embossed structures or of the embossed structures is preferably 10 .mu.m to 1000 .mu.m, more preferably 30 .mu.m to 500 .mu.m and very particularly preferably 60 .mu.m to 200 .mu.m.
  • the coating contrasting with the surface of the security element is, for example, a metallic coating applied over the entire surface to the security element, a film element, a printing ink with iridescent or magnetically alignable pigments, a single- or multi-color printing layer applied to the security element over the whole area or a grid or a multi-layered layer structure ,
  • the embossed structures are designed as a blind embossing or color-carrying embossing.
  • a substrate is added For example, from cardboard or paper in depressions of a stamping die or a gravure printing plate pressed in and sustainably deformed in this way.
  • the recesses are not filled with color, whereas in a color-guiding embossing the recesses are at least partially filled with color, so that the substrate is simultaneously deformed and printed.
  • a blind embossing can also be generated by means of thermal process, wherein a plastic substrate is thermally deformed by the action of heat.
  • the embossed structures and / or the contrasting coating are designed in a pattern and thereby form a visually perceivable information in supervision.
  • they form a graphic image, an image, a number, a letter, a text or other characters.
  • the information consists of positive or / and negative motives.
  • a positive motif in this case a motif element is itself applied to the substrate, whereas in the case of a negative motif, the area surrounding the motif element is applied to the substrate.
  • a positive subject is a letter printed in dark color on the light substrate.
  • a negative motif is, for example, a surface applied in a dark color to the substrate, which has an unprinted area in the form of a letter within the area.
  • the substrate of the security element particularly preferably consists of paper or cardboard of natural fibers or of synthetic fibers or of a mixture of natural and synthetic fibers, or of at least an embossable plastic film. Further preferably, the substrate consists of a combination of at least two superimposed and interconnected different substrates, a so-called hybrid. In this case, the substrate consists for example of a combination of a paper and a plastic film, ie a paper substrate is covered on at least one side by a plastic film.
  • Valuables in which such a substrate or security element can be used are in particular product securing elements, such as labels, seals, packaging, folding boxes and the like.
  • front side or back side of the substrate are relative terms, which may also be referred to as “the one” and “the opposite” sides, and which constitute the majority of the total surface area of the substrate or value document. Specifically, these terms do not include the side surfaces of a substrate that are negligibly small with a thickness of a substrate that is only about a millimeter in the case of card bodies or only fractions of a millimeter in paper and that are not usually provided with security features or coatings or can be. In particular, no optically variable effects can be achieved with the side surfaces.
  • the invention further comprises an embossing tool for producing a security element with an optically variable structure.
  • the embossing tool has an engraving of a multiplicity of depressions, wherein the depressions consist of grid-shaped linear and / or nonlinear basic elements.
  • at least one second structure is arranged within the engraving, wherein the second structure comprises a grooving, a punching or a perforation of the security element. acts to allow kinking, bending or partial removal of the optically variable structure.
  • the second structure is designed as a linear depression or elevation, each with rounded edges, so that the substrate of the security element is only mechanically deformed or embossed but not damaged.
  • the second structure may be embodied as a linear sequence of pointed or sharp-edged depressions or elevations, so that the substrate of the security element is cut or perforated.
  • the depth of the recesses or the height of the elevations about 50% of the width of the
  • Depressions or elevations Such a width-to-depth ratio results, for example, in the engraving of the embossing tool with a rotating stylus whose tip is formed by flanks which are at an angle of 40 ° to one another.
  • the embossed structures or embossed structures with such Stamping tool are generated, have a smaller depth or height than the recesses or elevations of the embossing tool itself, as a substrate can not be pressed in principle completely into a recess or on an increase of an embossing tool.
  • the invention further relates to a method for producing an above-mentioned security element with an embossing tool mentioned above. This has the particular advantage that both the optically variable structure and the second structure can be produced in a single embossing process, so that the security element according to the invention can be produced quickly and inexpensively.
  • the optically variable structure can be generated with a first stamping tool and the second structure with a second stamping tool. This means that the optically variable structure and the second structure are produced with separate stamping tools.
  • the second embossing tool is guided through a recess or opening in the first embossing tool.
  • the second embossing tool is movable with respect to the first embossing tool and is particularly preferably performed in the z-direction, ie perpendicular to the surface of the first embossing tool.
  • the second embossing tool is a knife or a punch.
  • the first embossing tool embosses the optically variable structure in the substrate of the security element, and while the first embossing tool contacts the surface of the substrate, the second embossing tool tool passes through the opening in the first embossing tool to the substrate and perforates or punches the substrate.
  • the first embossing tool is guided onto one surface of the substrate of the security element and the second embossing tool onto the opposite surface of the substrate of the security element. Both embossing tools move towards each other.
  • a depression in the shape of the second embossing tool into which the second embossing tool is guided is particularly preferably located on the embossing surface of the first embossing tool, so that complete penetration and thus severing of the substrate of the security element can be ensured.
  • the second structure can, however, be introduced into the substrate of the security element by means of other methods instead of using an embossing tool, for example by mechanical scribing or cutting or by a laser beam. When a laser beam is used, it partially or completely wears off the substrate, so that a scoring, a punching or a perforation of the security element is produced.
  • Fig. 1 is a carton in an oblique plan view with a security element according to the invention around an edge or a corner
  • Fig. 2 shows a carton in plan view with an inventive
  • Security element and a perforation as insertion opening for a folding tab a folding box in plan view with a security element according to the invention and a grooving or perforation as a bent edge
  • a security element according to the invention with a punch for removing parts of the security element 5 is a sectional sheet for a carton in plan view with security element according to the invention
  • FIG. 6 shows a first embodiment with two separate embossing tools and in this case in Fig. 6a in side view and in Fig. 6b in plan view,
  • Fig. 7 shows a second embodiment with two separate embossing tools in oblique view from above.
  • FIG. 1 shows a folding box 1 in an oblique top view with a security element 2 according to the invention.
  • the left-hand illustration of FIG. 1 shows the security element 2 which is arranged around an edge 3 of the folding box 1, wherein in the area 3 a of the edge 3 the security element 2 has a scoring or perforation.
  • the grooving or perforation allows a "sharp" edge around which the security element can be bent at a 90 ° angle.
  • FIG. 1 shows the security element 2 which is arranged around a corner 4 of the folding box 1, wherein the security element 2 has a scoring or perforation in the regions 4a, 4b and 4c of the edges forming the corner 4. Again, the scoring or perforation "sharp" edges around which the security element can be bent at a 90 ° angle, so that the "sharp" corner 4 is formed.
  • a viewer looks at the same time on two differently inclined surfaces of the security element 2 and when arranged on the corner 4 even on three differently inclined surfaces of the security element 2.
  • an optically variable effect in the form of a color change the viewer thus simultaneously recognizes two or three different colors, and with an optically variable effect in the form of an information change two or three different pieces of information simultaneously.
  • FIG. 2 shows a folding box 1 in plan view with a security element 2 according to the invention and a perforation 5, which consists of a single rectangular hole.
  • the perforation 5 is used in this embodiment as an insertion or wide slot for receiving the tab 7 of a folding tab 6.
  • the length of the punching 5 is substantially longer than the width of the punch 5, wherein the height is such that the tab 7 by a User can be easily pushed into the punching 5 without the tab 7 slips out of the punch 5 again.
  • the left-hand illustration of FIG. 2 shows the folding box 1 before insertion of the tab 7 into the perforation 5, the right-hand illustration after insertion.
  • the folding tab 6 is thereby bent around the edge 8 in the direction of the arrow 9 and pushed with the tab 7 in the perforation 5.
  • FIG. 3 shows a carton 1 in plan view with a security element 2 according to the invention and a grooving or perforation 10 as a bending edge.
  • the left-hand illustration of FIG. 3 shows the folding box 1 before the buckling of the security element 2 around the grooving or perforation 10, the right-hand illustration after buckling to the rear.
  • FIG. 4 shows a further embodiment of a folding box 1 in plan view with a security element 2 according to the invention and a punch 11 in the form of a crossed-out circle in order to be able to detach or detach this part from the security element.
  • the left illustration of FIG. 4 shows the folding box 1 before the detachment of the part of the security element 2, the right figure after detachment, for example, after opening the carton 1.
  • Fig. 5 shows a section sheet for a carton 1 in plan view with a security element according to the invention 2.
  • the security element 2 is disposed on a glue flap 12. When folding the carton 1, the security element 2 is bent around the creases or perforations 13a and 13b so that it is at a corner of the adhesive tab 12, similar to the right-hand illustration of FIG.
  • the grooves or perforations 13a and 13b serve as a punching along which the security element 2 ruptures and is separated or destroyed in several parts, so that refilling, for example with plagiarism and inconspicuous re-bonding of the adhesive flap 12th is no longer possible.
  • Fig. 6 shows a first embodiment with two separate embossing tools and here in Fig. 6a in side view and in Fig. 6b in plan view.
  • the first embossing tool 20 generates the optically variable structure
  • the second embossing tool 21 generates the second structure in the form of a scoring, a punching or a perforation of the security element.
  • the first embossing tool 20 has a recess 22, within which the second embossing tool 21 is arranged so that it can be moved back and forth in the direction of the arrow relative to the first embossing tool 20 and thereby the grooving, punching or perforation of the security element.
  • Fig. 7 shows a view obliquely from above of a second embodiment with two separate embossing tools, wherein the second embossing tool 21 in Direction of the arrow on the surface of the first embossing tool 20 and can be moved away again. Between the two embossing tools 20 and 21 is the substrate of the security element, which is not shown here for clarity. On the surface of the first embossing tool 20 there is a recess 23 in the form of the second embossing tool 21. When the second embossing tool 21 is pressed onto the substrate of the security element lying on the first embossing tool 20, it penetrates with its four teeth through the substrate the recess 23 and thereby cuts through the substrate.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Computer Security & Cryptography (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Electromagnetism (AREA)
  • General Health & Medical Sciences (AREA)
  • Optics & Photonics (AREA)
  • Toxicology (AREA)
  • Mechanical Engineering (AREA)
  • Credit Cards Or The Like (AREA)

Abstract

L'invention concerne un élément de sécurité doté d'une structure à effet optique variable, qui comporte une structure estampée faite d'éléments estampés, laquelle est combinée à un revêtement contrastant par rapport à la surface de l'élément de sécurité, de sorte qu'au moins des parties du revêtement sont visibles lors d'une observation à partir d'une première plage angulaire d'observation, mais qu'elles sont au moins en partie dissimulées lors de l'observation selon une deuxième plage angulaire d'observation, de sorte que lorsque l'élément de sécurité bascule et/ou tourne autour d'un axe, cela permet d'obtenir une image latente. L'invention concerne en outre un outil d'estampage ainsi qu'un procédé de fabrication d'un élément de sécurité de ce type. Selon l'invention, au moins une deuxième structure est agencée à l'intérieur de la structure à effet optique variable, la deuxième structure formant un rainurage, un estampage ou une perforation de l'élément de sécurité, afin de permettre un flambage, un fléchissement ou une élimination au moins partielle de la structure à effet optique variable.
EP16793747.3A 2015-10-30 2016-10-25 Élément de sécurité doté d'une structure à effet optique variable Active EP3368330B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015014039.6A DE102015014039A1 (de) 2015-10-30 2015-10-30 Sicherheitselement mit einer optisch variablen Struktur
PCT/EP2016/001770 WO2017071803A1 (fr) 2015-10-30 2016-10-25 Élément de sécurité doté d'une structure à effet optique variable

Publications (2)

Publication Number Publication Date
EP3368330A1 true EP3368330A1 (fr) 2018-09-05
EP3368330B1 EP3368330B1 (fr) 2020-06-24

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP16793747.3A Active EP3368330B1 (fr) 2015-10-30 2016-10-25 Élément de sécurité doté d'une structure à effet optique variable

Country Status (3)

Country Link
EP (1) EP3368330B1 (fr)
DE (1) DE102015014039A1 (fr)
WO (1) WO2017071803A1 (fr)

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DE102011114647A1 (de) 2011-09-30 2013-04-04 Giesecke & Devrient Gmbh Sicherheitselement mit mehreren optisch variablen Strukturen
MX2014015607A (es) * 2012-07-03 2015-06-05 Sicpa Holding Sa Capsula o corcho con características de seguridad.
DE102013019943A1 (de) * 2013-11-27 2015-05-28 Giesecke & Devrient Gmbh Sicherheitselement mit magnetisch ausrichtbaren Magnetpigmenten und Verfahren zu dessen Herstellung

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EP3368330B1 (fr) 2020-06-24
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