EP 1995077 B1 20121107 - Perforation device
Title (en)
Perforation device
Title (de)
Perforationsvorrichtung
Title (fr)
Dispositif de perforation
Publication
Application
Priority
DE 102007023477 A 20070519
Abstract (en)
[origin: EP1995077A1] The perforation device (10a) has a roller arrangement (7a) with pointed perforation projections projecting from a roller upper surface of a perforation roller area for perforating the background. The roller arrangement has a drive roller area for driving the perforation roller area in a rotating manner. The perforation roller area and the drive roller area have different rolling speeds on the background so that the perforation roller area perforates the background in a tearing manner.
IPC 8 full level
B44C 7/02 (2006.01)
CPC (source: EP)
B26F 1/24 (2013.01); B44C 7/027 (2013.01)
Designated contracting state (EPC)
DE FR GB IT
DOCDB simple family (publication)
EP 1995077 A1 20081126; EP 1995077 B1 20121107; EP 1995077 B8 20121226; DE 102007023477 B3 20090122
DOCDB simple family (application)
EP 08003852 A 20080301; DE 102007023477 A 20070519