EP 0506681 A4 19921202 - PROCESS AND APPARATUS FOR CRIMPING FIBERS
Title (en)
PROCESS AND APPARATUS FOR CRIMPING FIBERS
Publication
Application
Priority
- CA 2071984 A 19901031
- US 9006312 W 19901031
Abstract (en)
[origin: WO9207981A1] An apparatus for crimping and permanently heat setting an inorganic or polymeric precursor fiber (18) comprising a mechanical crimping means (13), a conveying means (11) which receives the crimped fiber (18), and a heating or irradiation zone (16A, 16B) through which the conveying means (11) and fiber (18) pass without applying stress or tension to the fiber.
IPC 1-7
IPC 8 full level
D01F 9/21 (2006.01); D01F 9/22 (2006.01); D01F 9/30 (2006.01); D02G 1/00 (2006.01); D02G 1/20 (2006.01)
CPC (source: EP)
D01F 9/21 (2013.01); D01F 9/22 (2013.01); D01F 9/30 (2013.01); D02G 1/00 (2013.01); D02G 1/205 (2013.01)
Citation (search report)
- [X] US 2669001 A 19540216 - ROLLIN KEEN WILLIAM
- [A] US 4868037 A 19890919 - MCCULLOUGH JR FRANCIS P [US], et al
- See references of WO 9207981A1
Designated contracting state (EPC)
AT BE CH DE DK ES FR GB GR IT LI LU NL SE
DOCDB simple family (publication)
WO 9207981 A1 19920514; CA 2071984 A1 19920501; EP 0506681 A1 19921007; EP 0506681 A4 19921202
DOCDB simple family (application)
US 9006312 W 19901031; CA 2071984 A 19901031; EP 90917071 A 19901031