Patent · US Expired

Method and apparatus to produce post heated textured yarn

US4383404A · kind A · utility

4Cited by
35References
7Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 26, 1981
Grant dateMay 17, 1983
Priority date
Expiry dateAug 26, 2001

Classification

  • Technology area (CPC D)Textiles; Paper
  • CPC primaryD02G1/20
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

Method and apparatus to produce a novelty textured yarn by intermittently blowing hot air at high temperatures into a tube through which previously textured yarn is passing. This produces a yarn having spaced, detextured portions along the length thereof.

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