EP 2221400 B1 20120523 - Square-analogous four-hole hollow staple fiber
Title (en)
Square-analogous four-hole hollow staple fiber
Title (de)
Quadratisch-analoge Vierloch-Hohlklammerfaser
Title (fr)
Fibre courte creuse à quatre trous analogues au carré
Publication
Application
Priority
EP 09153464 A 20090223
Abstract (en)
[origin: EP2221400A1] The present invention relates to a novel square-analogous staple fiber which is characterized by the four-hole hollow rectangular cross section. The four-hole hollow staple fiber of the present invention has the advantages of the high elastic recovery after water-washing, etc. The said four-hole hollow staple fiber has a fineness of about 2 to about 25 deniers and a hollowness ratio of about 35%. The four-hole hollow staple fiber of the present invention may be used for filling materials, mattresses, filtering materials, non-woven fabrics, etc.
IPC 8 full level
D01F 6/62 (2006.01); D01D 5/24 (2006.01); D01D 5/253 (2006.01); D01D 5/26 (2006.01)
CPC (source: EP)
D01D 5/24 (2013.01); D01D 5/253 (2013.01); D01D 5/26 (2013.01); D01F 6/62 (2013.01)
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK TR
DOCDB simple family (publication)
EP 2221400 A1 20100825; EP 2221400 B1 20120523; TW 201031774 A 20100901; TW I377271 B 20121121
DOCDB simple family (application)
EP 09153464 A 20090223; TW 99104050 A 20100210