EP 3810855 A1 20210428 - SECURITY PAPER WEB HAVING WATERMARKS AND DEWATERING SCREEN FOR PRODUCING WATERMARK PAPER
Title (en)
SECURITY PAPER WEB HAVING WATERMARKS AND DEWATERING SCREEN FOR PRODUCING WATERMARK PAPER
Title (de)
SICHERHEITSPAPIERBAHN MIT WASSERZEICHEN UND ENTWÄSSERUNGSSIEB ZUR HERSTELLUNG VON WASSERZEICHENPAPIER
Title (fr)
BANDE DE PAPIER DE SÉCURITÉ À FILIGRANE ET TAMIS D'ÉGOUTTAGE POUR LA FABRICATION DE PAPIER À FILIGRANE
Publication
Application
Priority
- DE 102018004995 A 20180622
- EP 2019000194 W 20190619
Abstract (en)
[origin: WO2019242881A1] The invention relates to a security paper web (20) comprising a plurality of individual panels (26), which are arranged in a grid-type manner along a longitudinal direction (MD) and a transverse direction (QD) of the security paper web, wherein the security paper web (20) with the individual panels (26) is provided with watermarks (12), which are formed at least in sub-regions (14) as high-definition multi-level watermarks and/or as filigree watermarks. According to the invention, the watermarks (12) are registered to the individual panels (26) and, at least in sub-regions, the individual panels (26) are arranged overlapping on the security paper web (20). The invention also relates to a dewatering screen (30) for producing a corresponding watermark paper.
IPC 8 full level
D21F 1/44 (2006.01)
CPC (source: EP)
D21F 1/44 (2013.01)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
DE 102018004995 A1 20191224; EP 3810855 A1 20210428; EP 3810855 B1 20241002; WO 2019242881 A1 20191226
DOCDB simple family (application)
DE 102018004995 A 20180622; EP 19732899 A 20190619; EP 2019000194 W 20190619