Global Patent Index - EP 0843749 B1

EP 0843749 B1 2000-02-09 - PROCESS AND DEVICE FOR PRODUCING POLYESTER YARNS

Title (en)

PROCESS AND DEVICE FOR PRODUCING POLYESTER YARNS

Title (de)

VERFAHREN UND VORRICHTUNG ZUM HERSTELLEN VON POLYESTERGARNEN

Title (fr)

PROCEDE ET DISPOSITIF POUR LA PRODUCTION DE FILS DE POLYESTER

Publication

EP 0843749 B1 (DE)

Application

EP 96926368 A

Priority

  • DE 19529135 A
  • EP 9603182 W

Abstract (en)

[origin: DE19529135A1] The invention relates to a process for producing technical polyester yarns in which, for pre-drawing purposes, polyester filaments are heated in a heating region to a above the glass transition temperature and swept in counterflow by a gaseous medium. The polyester filaments are then re-drawn with an individual titre > 1 and a predetermined elongation ratio and wound at high speed.

IPC 1-7 (main, further and additional classification)

D01D 5/098; D01D 5/088

IPC 8 full level (invention and additional information)

D01D 5/16 (2006.01); D01F 6/62 (2006.01); D02J 1/22 (2006.01)

CPC (invention and additional information)

D01F 6/62 (2013.01); D01D 5/16 (2013.01); D02J 1/228 (2013.01)

Designated contracting state (EPC)

BE DE ES FR GB IE IT LU NL PT

DOCDB simple family

DE 19529135 A1 19970213; AU 6658096 A 19970305; BR 9609889 A 19991221; CN 1063497 C 20010321; CN 1142546 A 19970212; EP 0843749 A1 19980527; EP 0843749 B1 20000209; ES 2143772 T3 20000516; KR 100267601 B1 20001016; MX 9800950 A 19981130; PT 843749 E 20000731; US 5965073 A 19991012; WO 9706293 A1 19970220