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. 23, 1994
Filed:
Dec. 07, 1992
Applicant:
Inventor:
Martin Witschi, Schaffhausen, CH;
Assignee:
Maschinenfabrik Rieter AG, Winterthur, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D01H / ; B65H / ;
U.S. Cl.
CPC ...
57 87 ; 57352 ; 242 19 ;
Abstract
An apparatus for severing a yarn and processing the resultant end of the separated yarn comprising a controllably rotatable abrasive element (1) disposed between two yarn-tensioning mechanisms (2,3) which hold the yarn in position and under tension for engagement with an abrasive surface of the abrasive element. The abrasive element (1) is mounted stationary with respect to the yarn-tensioning mechanism (2,3) such that the yarn 4 can be wrapped around the abrasive element (1) at a predetermined angle of wrap (.alpha.).