EP 0773320 B1 20020220 - Security sheet having a roughly constant thickness
Title (en)
Security sheet having a roughly constant thickness
Title (de)
Sicherheitsblatt, dessen Dicke beinahe konstant ist
Title (fr)
Feuille de sécurité d'épaisseur sensiblement constante
Publication
Application
Priority
FR 9513446 A 19951110
Abstract (en)
[origin: EP0773320A1] The security paper material (1), produced by a papermaking process, has a strip (4) within the paper sheet together with a filigree in a hollow or relief structure. It acts with the strip to give the sheet a constant thickness. Also claimed are (i) bank currency notes containing security paper material support as above; and (ii) stacking of security papers or bank currency notes of homogeneous thickness in the same way as given above.
IPC 1-7
IPC 8 full level
B42D 15/00 (2006.01); D21F 1/44 (2006.01); D21F 11/00 (2006.01); D21F 11/08 (2006.01); D21H 21/42 (2006.01); D21H 27/34 (2006.01)
CPC (source: EP)
B42D 25/355 (2014.10); D21F 1/44 (2013.01); D21F 11/006 (2013.01); D21F 11/08 (2013.01); D21H 21/42 (2013.01); D21H 27/34 (2013.01)
Designated contracting state (EPC)
CH DE DK ES FI FR GB IT LI NL SE
DOCDB simple family (publication)
EP 0773320 A1 19970514; EP 0773320 B1 20020220; DE 69619341 D1 20020328; DE 69619341 T2 20021010; DK 0773320 T3 20020603; ES 2177746 T3 20021216; FR 2741089 A1 19970516; FR 2741089 B1 19971226
DOCDB simple family (application)
EP 96402391 A 19961108; DE 69619341 T 19961108; DK 96402391 T 19961108; ES 96402391 T 19961108; FR 9513446 A 19951110