EP 1122199 B1 20031217 - Roll winder drum and method for it's manufacturing
Title (en)
Roll winder drum and method for it's manufacturing
Title (de)
Rollenwicklerwalze und Verfahren zu ihrer Herstellung
Title (fr)
Tambour d' une enrouleuse à rouleaux et méthode pour sa production
Publication
Application
Priority
DE 19944959 A 19990920
Abstract (en)
[origin: DE19944959A1] The paper winding roller has a surface layer (11) with orifices (15) which communicate with channels (16) in an intermediate layer (17). These lead to air take-up chambers (19) in a porous layer (12'). An final layer (18) which is impermeable to air is fitted inside the porous layer. An Independent claim is included for a method of making the roller.
IPC 1-7
IPC 8 full level
B65H 18/16 (2006.01); B65H 23/025 (2006.01); B65H 27/00 (2006.01)
CPC (source: EP)
B65H 18/16 (2013.01); B65H 23/0251 (2013.01); B65H 27/00 (2013.01); B65H 2404/1152 (2013.01); B65H 2404/136 (2013.01)
Designated contracting state (EPC)
DE FI
DOCDB simple family (publication)
DE 19944959 A1 20010405; DE 50004786 D1 20040129; EP 1122199 A2 20010808; EP 1122199 A3 20020417; EP 1122199 B1 20031217
DOCDB simple family (application)
DE 19944959 A 19990920; DE 50004786 T 20000830; EP 00118702 A 20000830