Global Patent Index - EP 1551605 A4

EP 1551605 A4 20060607 - METHOD OF MAKING SYNTHETIC MELT SPUN FIBRES WITH POLYTETRAFLUOROETHYLENE

Title (en)

METHOD OF MAKING SYNTHETIC MELT SPUN FIBRES WITH POLYTETRAFLUOROETHYLENE

Title (de)

HERSTELLUNGSVERFAHREN FüR SCHMELZGESPONNENE KUNSTFASERN MIT POLYTETRAFLUORETHYLEN

Title (fr)

PROCEDE DE PRODUCTION DE FIBRES SYNTHETIQUES FILEES PAR FUSION AVEC DU POLYTETRAFLUOROETHYLENE (PTFE)

Publication

EP 1551605 A4 20060607 (EN)

Application

EP 03770621 A 20031001

Priority

  • US 0331264 W 20031001
  • US 41503902 P 20021001

Abstract (en)

[origin: WO2004030880A1] The present invention is directed to a method for making melt spun fibers having decreased coefficient of friction and other improved properties such as wear resistance and the like, when compared to conventional melt spun fibers. In the method of the present invention, polytetrafluoroethylene (PTFE) is incorporated into the fiber-forming substance during the melt spinning process before passing through the spinneret. PTFE that is useful in the present invention includes PTFE powder that is dispersible to low micron or submicron particle size and aqueous or organic dispersions of such highly dispersible PTFE powder. The present invention is also directed to fabrics, textiles, and other articles of manufacture made from the PTFE-enhanced melt spun fibers of the present invention.

IPC 1-7

B28B 3/20; D02G 3/00

IPC 8 full level

D01F 1/10 (2006.01)

CPC (source: EP US)

D01F 1/10 (2013.01 - EP US); D01F 6/62 (2013.01 - EP); Y10T 428/2913 (2015.01 - EP US)

Citation (search report)

  • [X] US 6451914 B1 20020917 - KLOOS FRIEDRICH [DE], et al
  • [X] PATENT ABSTRACTS OF JAPAN vol. 1995, no. 09 31 October 1995 (1995-10-31)
  • See references of WO 2004030880A1

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR

DOCDB simple family (publication)

WO 2004030880 A1 20040415; AU 2003279111 A1 20040423; CA 2500900 A1 20040415; EP 1551605 A1 20050713; EP 1551605 A4 20060607; JP 2006501381 A 20060112; US 2006154058 A1 20060713

DOCDB simple family (application)

US 0331264 W 20031001; AU 2003279111 A 20031001; CA 2500900 A 20031001; EP 03770621 A 20031001; JP 2004542061 A 20031001; US 54099403 A 20031001