EP 0322864 A1 19890705 - Shaft for use with core.
Title (en)
Shaft for use with core.
Title (de)
Spindel für eine Wickelhülse.
Title (fr)
Arbre pour le serrage de mandrins.
Publication
Application
Priority
- JP 33520587 A 19871228
- JP 33520687 A 19871228
Abstract (en)
A core shaft comprising a shaft body (2), a pair of opposite journals (3, 4), an elastic tube (5) helically wound around the shaft body (2), inflatable by the pressure of a fluid introduced thereinto and holdable in its inflated state, and a tubular protective cover (6) covering the entire helical winding of the tube and variable in diameter with the inflation or contraction of the tube.
IPC 1-7
IPC 8 full level
B65H 75/24 (2006.01)
CPC (source: EP US)
B65H 75/2437 (2021.05 - EP US)
Citation (search report)
- [X] US 3937412 A 19760210 - DAMOUR LAWRENCE R
- [X] US 3825167 A 19740723 - DAMOUR L, et al
- [X] CA 654990 A 19630101 - GEN ELECTRIC CANADA
- [A] CA 653299 A 19621204 - GOODRICH CO B F
- [A] US 4632328 A 19861230 - BISHOP MARSHALL E [US], et al
- [X] US 3834257 A 19740910 - GANSER W
- [X] DE 2041860 A1 19720302 - BRAHM WALTER IM
- [X] US 3917187 A 19751104 - DAMOUR LAWRENCE R
- [A] US 4436252 A 19840313 - BUERKLE WOLFGANG [DE], et al
- [A] CH 457073 A 19680531 - POLYTYPE AG [CH]
- [A] DE 8004622 U1 19800604
- [A] US 3425642 A 19690204 - MAY GERALD L
Designated contracting state (EPC)
BE DE FR GB IT
DOCDB simple family (publication)
EP 0322864 A1 19890705; EP 0322864 B1 19920311; DE 3869100 D1 19920416
DOCDB simple family (application)
EP 88121729 A 19881227; DE 3869100 T 19881227