EP 0017884 B1 19811230 - SEPARATE DRIVE FOR A TWO-ROLL HOLLOW SUCTION DEVICE
Title (en)
SEPARATE DRIVE FOR A TWO-ROLL HOLLOW SUCTION DEVICE
Publication
Application
Priority
DE 2915804 A 19790419
Abstract (en)
[origin: US4344552A] The invention relates to the driving of rollers of roller cavity suction apparatus for conveying or braking material webs whereby the motors for driving at least one of the rollers receive the power output from the pressure drop between the front and reverse side of the web.
IPC 1-7
IPC 8 full level
B65H 23/24 (2006.01); B65H 79/00 (2006.01)
CPC (source: EP US)
B65H 23/24 (2013.01 - EP US)
Designated contracting state (EPC)
BE CH DE FR GB IT
DOCDB simple family (publication)
EP 0017884 A1 19801029; EP 0017884 B1 19811230; DE 2915804 A1 19801106; DE 3060126 D1 19820218; US 4344552 A 19820817
DOCDB simple family (application)
EP 80101846 A 19800405; DE 2915804 A 19790419; DE 3060126 T 19800405; US 14113680 A 19800416