Patent · US Expired

Crimped polyester-yarn from cold drawn polyester-POY-yarn and process for its manufacture

US4908269A · kind A · utility

1Cited by
6References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 9, 1984
Grant dateMar 13, 1990
Priority date
Expiry dateAug 9, 2004

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/2922
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

The invention concerns a crimped Polyester-yarn obtained from cold drawn Polyester-POY as well as a process for its manufacture. For this yarn the stress/strain course between 10 and 30% elongation resulting from the stretch test corresponds to a secant modul of 0-100%. Application in the knitting, weaving and warp knitting.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.