Patent · US Expired

Process for producing a twisted yarn

US4484436A · kind A · utility

36Cited by
20References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 27, 1983
Grant dateNov 27, 1984
Priority date
Expiry dateJun 27, 2003

Classification

  • Technology area (CPC D)Textiles; Paper
  • CPC primaryD01H7/90
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

A process for producing a twisted yarn is provided. A sheaf of staple fibers is drafted and bundled to form a bundled sheaf of staple fibers having substantially zero initial twist. At least two such bundled sheaves are then twisted together to form the twisted yarn.

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