Patent · US Expired

Pneumatic thread stretcher and thread processing system

US7275291B2 · kind B2 · utility

1Cited by
13References
8Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 17, 2002
Grant dateOct 2, 2007
Priority date
Expiry dateApr 3, 2023

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB65H2701/31
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

The invention relates to a pneumatic thread stretcher (T) for a rapier weaving machine or a knitting machine, in which the air current deflection surface (19) for deflecting the thread (Y, Y1) forms a seamless extension (12) of the inner wall of the linear guide channel, through which the thread runs. The invention also relates to a device (H) for changing the flow rate or the pressure of the air current along the deflection surface (19) of the pneumatic thread stretcher (T) between at least two different levels, in accordance with the operating cycle o the textile machine.

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