EP0059856B1 - Carte plane en matière synthétique thermoplastique munie de signes de sécurité lisibles visuellement et procédé pour sa fabrication - Google Patents

Carte plane en matière synthétique thermoplastique munie de signes de sécurité lisibles visuellement et procédé pour sa fabrication Download PDF

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Publication number
EP0059856B1
EP0059856B1 EP82101115A EP82101115A EP0059856B1 EP 0059856 B1 EP0059856 B1 EP 0059856B1 EP 82101115 A EP82101115 A EP 82101115A EP 82101115 A EP82101115 A EP 82101115A EP 0059856 B1 EP0059856 B1 EP 0059856B1
Authority
EP
European Patent Office
Prior art keywords
card
halves
zones
embossed
relief
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
Application number
EP82101115A
Other languages
German (de)
English (en)
Other versions
EP0059856A1 (fr
Inventor
Adolf Kuhl
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.)
Orell Fuessli Graphische Betriebe AG
Orell Fussli Graphische Betriebe AG
Original Assignee
Orell Fuessli Graphische Betriebe AG
Orell Fussli Graphische Betriebe AG
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 Orell Fuessli Graphische Betriebe AG, Orell Fussli Graphische Betriebe AG filed Critical Orell Fuessli Graphische Betriebe AG
Priority to AT82101115T priority Critical patent/ATE17683T1/de
Publication of EP0059856A1 publication Critical patent/EP0059856A1/fr
Application granted granted Critical
Publication of EP0059856B1 publication Critical patent/EP0059856B1/fr
Expired legal-status Critical Current

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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
    • B42D25/40—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
    • B42D2033/04—
    • B42D2033/08—
    • B42D2033/24—
    • B42D2033/30—
    • B42D2035/02—
    • B42D2035/16—
    • B42D2035/20—
    • B42D2035/30—
    • 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
    • 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
    • Y10S283/00—Printed matter
    • Y10S283/904—Credit card
    • 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
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/916—Fraud or tamper detecting
    • 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
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y10T156/1002—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina
    • Y10T156/1039—Surface deformation only of sandwich or lamina [e.g., embossed panels]
    • 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
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
    • Y10T428/24521—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness with component conforming to contour of nonplanar surface
    • Y10T428/24529—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness with component conforming to contour of nonplanar surface and conforming component on an opposite nonplanar surface

Definitions

  • the invention relates to a card made of thermoplastic material with flat surfaces and visually perceptible, internal security signs, and a method for its production.
  • Cards are therefore already known which are designed as composite cards, a paper layer being enclosed between two plastic layers.
  • the paper layer is provided by means of a security print known from the banknotes and, like the banknotes, has a watermark which appears in the review.
  • parts of the plastic surfaces can also be provided with a print pattern.
  • the same disadvantages have a card known from FR-A-2176463 or OE-PS 311 702, which has a paper insert of locally varying thickness, whereby these thickness variations should be felt and visible as a security feature through a plastic cover layer on the card surface.
  • the uneven outer surfaces are disadvantageous in that machine readability is made more difficult and unevenness on the outer surface caused by unauthorized manipulation of the card is at least not noticeable to the layperson.
  • a flat card surface allows attempted interventions to be recognized immediately by everyone, since corrugations or roughening etc. are immediately recognizable therein and in turn serves as a reliable security feature.
  • the supporting part of the card consists of two half parts made of thermoplastic material of substantially the same thickness and flat outer surfaces, of which the first consists of transparent, the second made of thermoplastic material with an increased light absorption coefficient compared to the first half part, and each A positive or an oppositely negative relief structure is stamped into the inner surface of each half part, which has at least such height differences and dimensions in the map plane that the differences in brightness produced by the locally varying light absorption of the light passing through in the view are perceptible to the eye, the two Half parts with their embossed inner surfaces are laminated against each other over their entire surface to form a homogeneous piece.
  • the advantages achieved by the invention can be seen in particular in the fact that the security features are visually recognizable when viewed from the outside, but are inaccessible in that they are covered by a transparent cover card part which is inseparably connected to the card part carrying the features, such that that the features are inaccessible for manipulation from the outside.
  • a larger layer thickness therefore leads to greater light absorption.
  • the influence of the transparent half part 2 can be disregarded here, since its light absorption coefficient ⁇ is negligibly small in comparison with that of the other layer 3.
  • the half part 3 with an increased light absorption coefficient is now formed in such a way that regions 4 of increased thickness are formed to form a watermark-like effect.
  • zones 5 of smaller thickness are formed in adjacent areas 5, so that lighter areas 5 are created when looking around the dark-appearing areas, as is characteristic of the appearance of conventional watermarks.
  • Fig. 2b this is indicated schematically by arrows, which on the one hand represent the uniformly incident light and on the other hand the light passing through, the thickness of the arrows corresponding to the light intensity.
  • the relief in the half part 3 is embossed in such a way that the total amount of material remains constant and there is only a shift in the amount of material from the areas 5 to the areas 4. This means that the average thickness over the areas 4 and 5 provided with a relief structure is equal to the thickness of the rest of the map.
  • the molding is carried out with a stamping die of known type.
  • the transparent half part 2 is provided with a corresponding, opposing stamping, the stamping mold used for this being preferably electrolytically molded from the first stamping mold.
  • the two half parts are then inseparably formed into a single part by laminating. Polymerization of the plastic molecules takes place along the interface of the two half parts provided with the relief structure, so that a molecular connection is formed which makes separation impossible.
  • graphic patterns can also be printed on the inner interfaces, if this is desired. This will be discussed in more detail in connection with other exemplary embodiments.
  • the surfaces of the card 1 thus formed are flat and can be printed or coated in a conventional manner.
  • the characteristic mark is completely inaccessible in the card. In the normal case, this indicator is not recognizable in the supervision, since the differences in thickness cannot be perceived in supervision alone. This makes it difficult to imitate this characteristic by corresponding deceptive color printing, as is attempted with conventional watermarks on paper, where, as is well known, a small color contrast can also be seen in the top view.
  • Fig. 3 an advantageous embodiment of the principle explained is enlarged and shown schematically in section.
  • the raster technique is used to build up the relief-like structure of the interface.
  • areas 4 which should appear darker when viewed, the height h 4 of the individual punctiform grid elements 7 is chosen to be greater than the height h 6 of the grid elements in the main area of the map.
  • their height h 5 is chosen to be smaller.
  • the thickness of the half part 3, averaged over the individual areas, is decisive for the light transmission if the individual halftone dots are no longer or only poorly resolved visually. These averaged thicknesses are chosen so that the effect already explained with reference to FIGS. 1 and 2 can be seen in the review.
  • the design of the relief as a grid allows this material rearrangement in a simple manner and also increases the interface along which the two half parts are joined, so that the one-piece map composed of the two half parts is held together even better.
  • the transparent half part 2 is in turn designed to be opposite.
  • a particularly advantageous application of the see-through marking by means of the relief-like design of the interface of the part 3 and the transparent part 2 according to FIGS. 1 to 3 is that the relief structure is formed in each case according to the portrait of the card owner.
  • This portrait appears in watermark-like form when viewed and can be compared at any time with a photograph of the owner or himself.
  • This enables an additional, individual identifier to be created.
  • the relief-like structure of the interface can have continuously merging areas of different thicknesses, which - in contrast to conventional watermarks, which are usually designed in two stages - result in an image with continuous brightness variation between a maximum and a minimum .

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Credit Cards Or The Like (AREA)
  • Laminated Bodies (AREA)
  • Adornments (AREA)

Claims (5)

1. Carte en matière synthétique thermoplastique à surfaces planes et avec des signes de sécurité internes visuellement observables, caractérisée en ce que la partie portante de la carte est composée de deux demi-pièces (2, 3) en matière synthétique thermoplastique présentant une épaisseur sensiblement identique et des faces externes planes, dont la première (2) est en une matière synthétique transparente et la deuxième (3) en une matière synthétique thermoplastique ayant un coefficient d'absorption de lumière élevé par rapport à la première demi-pièce, une structure en relief positive et respectivement négative de façon opposée (4, 5, 6) étant estampée dans la face interne de chaque demi-pièce, cette structure présentant, dans le plan de la carte, au moins des différences de hauteur et des extensions telles que les différences de luminosité produites dans la transparence par l'absorption localement variable de la lumière traversante sont perceptibles à l'oeil, les deux demi-pièces étant laminées en une pièce homogène avec leurs faces internes estampées, disposées l'une contre l'autre sur la totalité de leur surface.
2. Carte en matière synthétique thermoplastique suivant la revendication 1, caractérisée en ce que les demi-pièces présentent des zones superficielles planes internes, non estampées, comme plan de référence par rapport auquel la structure en relief est constituée de zones surélevées et surbaissées, de telle façon qu'une zone surélevée soit respectivement toujours adjacente latéralement à une zone surbaissée.
3. Carte suivant l'une des revendications 1 et 2, caractérisée en ce que la structure en relief présente des zones d'épaisseurs différentes qui passent de l'une à l'autre sans gradations.
4. Carte suivant l'une des revendications 1 à 3, caractérisée en ce qu'au moins une zone de la structure en relief de la surface limite interne présente un façonnage en forme de trame (7, 9, 11).
5. Procédé pour la fabrication de la carte plane suivant la revendication 2, dans lequel, au moyen d'une matrice, on estampe d'un côté un relief dans une première section d'une feuille en matière synthétique thermoplastique, et, au moyen d'une deuxième matrice, réalisée de façon conformément opposée, on estampe d'un côté un relief opposé dans une deuxième section d'une feuille en matière synthétique thermoplastique, les deux sections étant assemblées d'une manière inséparable avec leurs surfaces estampées l'une contre l'autre, caractérisé en ce que, dans les matrices, des zones surélevées et surbaissées sont contiguës, de telle façon que l'estampage ait lieu par déplacement des masses des feuilles en substance synthétique depuis des zones surbaissées par rapport à un plan zéro jusqu'à des zones voisines, surélevées par rapport au plan zéro, l'épaisseur moyenne de feuille restant inchangée à la suite de l'estampage.
EP82101115A 1981-03-03 1982-02-16 Carte plane en matière synthétique thermoplastique munie de signes de sécurité lisibles visuellement et procédé pour sa fabrication Expired EP0059856B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT82101115T ATE17683T1 (de) 1981-03-03 1982-02-16 Ebene karte aus thermoplastischem kunststoff mit visuell wahrnehmbarem sicherheitszeichen und verfahren zu deren herstellung.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1421/81A CH650732A5 (de) 1981-03-03 1981-03-03 Ebene karte aus thermoplastischem kunststoff mit visuell wahrnehmbaren sicherheitszeichen und verfahren zu deren herstellung.
CH1421/81 1981-03-03

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP84114907.3 Division-Into 1982-02-16

Publications (2)

Publication Number Publication Date
EP0059856A1 EP0059856A1 (fr) 1982-09-15
EP0059856B1 true EP0059856B1 (fr) 1986-01-29

Family

ID=4210066

Family Applications (2)

Application Number Title Priority Date Filing Date
EP82101115A Expired EP0059856B1 (fr) 1981-03-03 1982-02-16 Carte plane en matière synthétique thermoplastique munie de signes de sécurité lisibles visuellement et procédé pour sa fabrication
EP84114907A Expired - Lifetime EP0157921B1 (fr) 1981-03-03 1982-02-16 Carte en matière thermoplastique munie de marques de sécurité visibles au moins d'en haut

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP84114907A Expired - Lifetime EP0157921B1 (fr) 1981-03-03 1982-02-16 Carte en matière thermoplastique munie de marques de sécurité visibles au moins d'en haut

Country Status (6)

Country Link
US (2) US4506916A (fr)
EP (2) EP0059856B1 (fr)
AT (2) ATE50205T1 (fr)
CA (1) CA1181110A (fr)
CH (1) CH650732A5 (fr)
DE (2) DE3268726D1 (fr)

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FR2942811B1 (fr) 2009-03-04 2011-05-06 Oberthur Technologies Element de securite pour document-valeur.
EP2332738B1 (fr) 2009-12-10 2012-07-04 Agfa-Gevaert Document de sécurité avec fonction de sécurité sur le bord
EP2335938B1 (fr) 2009-12-18 2013-02-20 Agfa-Gevaert Film de sécurité pouvant être marqué au laser
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Publication number Priority date Publication date Assignee Title
FR2176463A5 (fr) * 1972-03-16 1973-10-26 Gao Ges Automation Org
FR2365657A1 (fr) * 1976-09-24 1978-04-21 Bank Of England Perfectionnements relatifs aux dispositifs marquants l'authenticite d'element en feuille tel que billets de banque

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ATE50205T1 (de) 1990-02-15
ATE17683T1 (de) 1986-02-15
EP0157921A2 (fr) 1985-10-16
US4564409A (en) 1986-01-14
CH650732A5 (de) 1985-08-15
EP0157921B1 (fr) 1990-02-07
EP0059856A1 (fr) 1982-09-15
DE3280103D1 (de) 1990-03-15
DE3268726D1 (en) 1986-03-13
EP0157921A3 (en) 1987-07-15
CA1181110A (fr) 1985-01-15
US4506916A (en) 1985-03-26

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