Patent · US Active

Thread draw-off nozzle

US10669649B2 · kind B2 · utility

0Cited by

4References

13Claims

0Family size

Assignee

Maschinenfabrik Rieter AG · CH

Inventors

Guenter Baur · Glückstadt, DE
Michael Basting · Markdorf, DE

Key dates

Filing date	Nov 2, 2016
Grant date	Jun 2, 2020
Priority date	—
Expiry date	Jan 27, 2037

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD01H4/10
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

A thread draw-off nozzle for an open-end rotor spinning device includes a front surface, a nozzle bore, and a funnel-shaped yarn deflection surface connecting the front surface and the nozzle bore. The front surface adjoins the yarn deflection surface. The front surface and the yarn deflection surface form an effective diameter (DW) of the thread draw-off nozzle. The effective diameter (DW) of the thread draw-off nozzle is less than 8 mm, and the yarn deflection surface comprises a radius of curvature (R) of less than 2.5 mm.

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