Patent · US Expired

Apparatus for controlling the thread joining process in an open end rotor spinning machine

US4524578A · kind A · utility

3Cited by

8References

17Claims

0Family size

Assignee

W. Schlafhorst AG & Co. · DE

Inventors

Hans Raasch · Wittlich, DE
Manfred Lassmann · Nettetal, DE

Key dates

Filing date	Nov 12, 1982
Grant date	Jun 25, 1985
Priority date	—
Expiry date	Nov 12, 2002

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD01H4/50
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

Method for controlling a thread joining process which takes place by starting a rotor in an open end rotor spinning machine, which includes beginning pre-feeding of a fiber quantity into the rotor which is required for thread joining, and subsequently controlling the pre-feeding speed after the chosen draft for the following spinning operation, and an apparatus for carrying out the method.

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