EP 0775221 A4 19971112 - PROCESS OF MAKING POLYBENZAZOLE NONWOVEN FABRIC
Title (en)
PROCESS OF MAKING POLYBENZAZOLE NONWOVEN FABRIC
Title (de)
VERFAHREN ZUR HERSTELLUNG VON POLYBENZAZOL-VLIESSTOFF
Title (fr)
PROCEDE DE FABRICATION D'UNE ETOFFE NON TISSEE DE POLYBENZAZOLE
Publication
Application
Priority
- JP 18242094 A 19940803
- US 9509818 W 19950802
Abstract (en)
[origin: WO9604413A1] A continuous process for preparing nonwoven fabrics of polybenzazole filaments, which comprises spinning at least two polybenzazole dope filaments from a spinning head (1) simultaneously, through a quench chamber (2), over godet rolls (3), through an aspirator (4) and intermingling and depositing the filaments on a substantially planar collecting surface (5).
IPC 1-7
IPC 8 full level
D01D 5/12 (2006.01); D01F 6/74 (2006.01); D04H 3/009 (2012.01)
CPC (source: EP)
Citation (search report)
- [X] US 5233821 A 19930810 - WEBER JR CHARLES P [US], et al
- [A] EP 0285338 A2 19881005 - GATES FORMED FIBRE PRODUCTS [US]
- [A] US 5164131 A 19921117 - CHAU CHIEH-CHUN [US], et al
- [A] PATENT ABSTRACTS OF JAPAN vol. 014, no. 280 (C - 0729) 18 June 1990 (1990-06-18)
- See references of WO 9604413A1
Designated contracting state (EPC)
BE DE ES FR GB IT NL
DOCDB simple family (publication)
WO 9604413 A1 19960215; CA 2194989 A1 19960215; DE 69529221 D1 20030130; DE 69529221 T2 20030821; EP 0775221 A1 19970528; EP 0775221 A4 19971112; EP 0775221 B1 20021218; ES 2186726 T3 20030516; JP 3541966 B2 20040714; JP H0849156 A 19960220; MX 9700815 A 19970930
DOCDB simple family (application)
US 9509818 W 19950802; CA 2194989 A 19950802; DE 69529221 T 19950802; EP 95928723 A 19950802; ES 95928723 T 19950802; JP 18242094 A 19940803; MX 9700815 A 19950802