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:
Dec. 09, 1980
Filed:
Mar. 01, 1979
Applicant:
Inventors:
Jakob Fluck, Winterthur, CH;
Hans Schellenberg, Winterthur, CH;
Assignee:
Maschinenfabrik Rieter AG, Winterthur, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D02G / ; D01H / ;
U.S. Cl.
CPC ...
57337 ;
Abstract
The present invention concerns a false twist apparatus (1) with friction discs (3) arranged at mutual distances on a shaft (2) and with thread guides (4) extending to between the discs (3), for imparting twist to a thread (11) guided friction-contactingly over the friction discs by the thread guides. The thread guides in this arrangement are provided with a concave curvature, as seen with respect to the direction of movement of the twist imparting surface (F).