Patent · US Expired

Yarn withdrawal nozzle

US6886322B2 · kind B2 · utility

2Cited by

10References

8Claims

0Family size

Assignee

W. Schlafhorst AG & Co. · DE

Inventors

Thomas Weide · Rheydt, DE
Bert Schlomer · Heinsberg, DE

Key dates

Filing date	Jul 16, 2003
Grant date	May 3, 2005
Priority date	—
Expiry date	Jul 16, 2023

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD01H4/40
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

A yarn withdrawal nozzle for an open-end rotor spinning arrangement, having an inlet funnel and a coaxially arranged structure in the inlet funnel, as well as notches arranged in a spaced-apart manner that are positioned in the traveling direction of a yarn downstream of the coaxially arranged structure. The coaxially arranged structure is comprised of circularly-shaped beads or grooves of different diameters.

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