Patent · US Expired

Apparatus for producing a spun yarn

US6789382B2 · kind B2 · utility

3Cited by
6References
25Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 24, 2002
Grant dateSep 14, 2004
Priority date
Expiry dateJul 24, 2022

Classification

  • Technology area (CPC D)Textiles; Paper
  • CPC primaryD01H4/02
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

An apparatus for producing yarn spun from a loose fibre array using a vortex flow includes a fibre supply duct having an outlet opening. A vortex chamber in communication with the outlet opening is also provided. A yarn take-off duct is present with an inlet opening in communication with the vortex chamber. The vortex chamber is also in communication with an exhaust duct. A wall that defines at least a portion of the vortex chamber is present and has an opening disposed therethrough allowing for communication between the exhaust duct and the vortex chamber.

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