Patent · US Expired

Method of producing a twisted yarn

US4685284A · kind A · utility

4Cited by
11References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 12, 1985
Grant dateAug 11, 1987
Priority date
Expiry dateDec 12, 2005

Classification

  • Technology area (CPC D)Textiles; Paper
  • CPC primaryD06B5/16
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A method of producing twisted yarn comprises precision doubling several single yarns in a precision assembly winder to form a precision package which is dyed or bleached. The yarn is thereupon twisted during withdrawal from the precision package.

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