Patent · US Expired

Method for yarn piecing in fasciated yarn spinning unit

US4543776A · kind A · utility

10Cited by
2References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 22, 1983
Grant dateOct 1, 1985
Priority date
Expiry dateSep 22, 2003

Classification

  • Technology area (CPC D)Textiles; Paper
  • CPC primaryD01H15/002
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

A novel method for yarn piecing in a fasciated yarn spinning unit, in which a broken end of a yarn and the fiber bundle to be pieced together are nipped and intermingled with each other between a soft nipping area between middle top and bottom aprons and thereafter are false-twisted by a vortex in an air nozzle. Motions of the associated parts are controlled as so to be able to achieve a suitable overlapping length of the yarn and the fiber bundle in the nipping area of the aprons.

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