EP 1466756 A3 20070207 - Improvement of the strength of paper sheets
Title (en)
Improvement of the strength of paper sheets
Title (de)
Verbesserung der Festigkeit von Papierblättern
Title (fr)
Amélioration de la résistance de feuilles en papier
Publication
Application
Priority
GB 0307755 A 20030403
Abstract (en)
[origin: EP1466756A2] The invention relates to improvements in paper, and in particular to the use of watermarks and security elements for strengthening paper sheets and documents made therefrom. The invention therefore provides a sheet having at least four corners and at least four sides joined at said corners, wherein corner reinforcing watermarks are provided at each of said corners. An elongate security element is at least partially embedded within the sheet along and close to an edge of each of at least a pair of opposing sides.
IPC 8 full level
B31F 1/07 (2006.01); B42D 15/00 (2006.01)
CPC (source: EP)
B42D 25/29 (2014.10)
Citation (search report)
- [PX] WO 03046282 A1 20030605 - RUE DE INT LTD [GB], et al
- [Y] GB 2309039 A 19970716 - PORTALS LTD [GB]
- [Y] EP 0101203 A2 19840222 - WIGGINS TEAPE GROUP LTD [GB]
- [A] EP 0238043 A2 19870923 - GAO GES AUTOMATION ORG [DE]
- [A] US 4462867 A 19840731 - FULLER JAMES S [GB]
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR
Designated extension state (EPC)
AL LT LV MK
DOCDB simple family (publication)
EP 1466756 A2 20041013; EP 1466756 A3 20070207; GB 0307755 D0 20030507; GB 0407159 D0 20040505; GB 2400076 A 20041006; GB 2400076 B 20050525
DOCDB simple family (application)
EP 04251941 A 20040331; GB 0307755 A 20030403; GB 0407159 A 20040330