The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 16, 1977
Filed:
Nov. 18, 1974
Gerhard Grau, Albershausen, DT;
Otto Mayer, Ebersbach, DT;
Zinser Textilmaschinen GmbH, Ebersbach, DT;
Abstract
A process and apparatus for repairing thread breakage occurring in an open-end spinning machine which includes a spinning rotor, a pair of draw rollers, a thread tension sensor and thread windup spindles. The end of the thread to be reattached to fibers located within the spinning rotor is guided back from the windup spindle in such a way as to bypass the drawoff rollers and avoid being pinched thereby. The thread is passed alongside one of the draw rollers, preferably on a specially configured conical surface which facilitates eventual reinsertion between the two draw rollers. The drive of the windup spindle is restarted by the tension sensor when it detects the reattachment of the end of the thread to the fibers in the spinning rotor as manifested by the increased tension in the thread. The increased tension pulls the thread between the drawoff rollers which transport it to the windup spindle at normal operating speed.