EP 0507847 A4 19930127 - APPARATUS AND PROCESS FOR CRIMPING FIBERS
Title (en)
APPARATUS AND PROCESS FOR CRIMPING FIBERS
Publication
Application
Priority
US 9006314 W 19901031
Abstract (en)
[origin: WO9207982A1] An apparatus and process for crimping and permanently heat setting a fiber or tow without imparting stress or tension on the fiber or tow comprising a conveying means (11) having a multiplicity of openings, means for supplying the fiber or tow to the conveying means (28), means for inserting (13) the fiber or tow (18) into the openings of the conveying means whereby the fiber is retained in a nonlinear shape in the openings without stress or tension, and a heating zone (17) through which the conveying means and fiber or tow pass for heat setting the fibers or tow.
IPC 1-7
IPC 8 full level
D01F 9/22 (2006.01); D01F 9/32 (2006.01); D02G 1/00 (2006.01); D02G 1/04 (2006.01); D02G 1/20 (2006.01)
CPC (source: EP)
D01F 9/22 (2013.01); D01F 9/225 (2013.01); D01F 9/32 (2013.01); D02G 1/004 (2013.01); D02G 1/205 (2013.01)
Citation (search report)
- [Y] US 3526938 A 19700908 - GRABHER ERICH
- [Y] GB 562520 A 19440705 - AMERICAN VISCOSE CORP
- [A] US 4868037 A 19890919 - MCCULLOUGH JR FRANCIS P [US], et al
- See references of WO 9207982A1
Designated contracting state (EPC)
AT BE CH DE DK ES FR GB GR IT LI LU NL SE
DOCDB simple family (publication)
WO 9207982 A1 19920514; AT E132209 T1 19960115; BR 9008033 A 19930323; DE 69024502 D1 19960208; DE 69024502 T2 19960515; EP 0507847 A1 19921014; EP 0507847 A4 19930127; EP 0507847 B1 19951227; JP H05505855 A 19930826
DOCDB simple family (application)
US 9006314 W 19901031; AT 91902323 T 19901031; BR 9008033 A 19901031; DE 69024502 T 19901031; EP 91902323 A 19901031; JP 50234290 A 19901031