EP 0493268 A1 19920701 - Tamper-proof laminated document, and method of fabrication of such a document.
Title (en)
Tamper-proof laminated document, and method of fabrication of such a document.
Title (de)
Fälschungssicheres mehrschichtiges Dokument, sowie Verfahren zur seiner Herstellung.
Title (fr)
Document infalsifiable stratifié et procédé de fabrication d'un tel document.
Publication
Application
Priority
FR 9016460 A 19901228
Abstract (en)
The invention relates to the protection of documents against tampering. It relates more particularly to a tamper-proof laminated document comprising a support (1) having a marked zone (2) with two sides (2a and 2b) carrying information (3b) which forms reliefs (3a) on one of its sides (2a) and indentations (3b) on its other side (2b) and comprising a hologram (4) bearing an image formed by holographic interferences, covering at least part of the marked zone (2). The hologram (4) is attached to the side (2b) of the marked zone (2) bearing the information that forms the indentations. An adhesive layer (5) fixes the hologram (4) to the marked zone (2). <IMAGE>
Abstract (fr)
L'invention concerne la protection des documents contre la falsification. Elle concerne plus particulièrement un document infalsifiable stratifié comportant un support (1) ayant une zone de marquage (2) ayant deux faces (2a et 2b) portant des informations (3b) formant des reliefs (3a) sur l'une de ses faces (2a) et des creux (3b) sur l'autre de ses faces (2b) et comportant un hologramme (4) porteur d'une figure d'interférences holographiques, recouvrant au moins partiellement la zone de marquage (2). L'hologramme (4) est fixé sur la face (2b) de la zone de marquage (2) portant les informations formant des creux. Une couche d'adhésif (5) assure la fixation de l'hologramme 4 sur la zone de marquage (2). <IMAGE>
IPC 1-7
IPC 8 full level
B42D 15/00 (2006.01); B42D 15/10 (2006.01)
CPC (source: EP)
B42D 25/29 (2014.10); B42D 25/328 (2014.10)
Citation (search report)
- [X] EP 0201323 B1 19940817 - DAINIPPON PRINTING CO LTD [JP]
- [A] FR 2621863 A1 19890421 - OBERTHUR CARD SYSTEMS FRANCOIS [FR]
- [A] EP 0145481 A2 19850619 - DU PONT [US]
- [A] GB 2181993 A 19870507 - BPCC HOLOGRAPHIC SECURITY SYST
Designated contracting state (EPC)
AT BE CH DE DK ES FR GB GR IT LI LU NL SE
DOCDB simple family (publication)
DOCDB simple family (application)
EP 91403562 A 19911227; FR 9016460 A 19901228