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. 25, 1981
Filed:
Sep. 10, 1979
Applicant:
Inventor:
William P Warthen, Spartanburg, SC (US);
Assignee:
Milliken Research Corporation, Spartanburg, SC (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B26F / ; B32B / ;
U.S. Cl.
CPC ...
156251 ; 156350 ; 156353 ; 156368 ; 156515 ; 156579 ;
Abstract
Apparatus and method to prevent the slippage of a knot in the tied synthetic yarn so that the tied yarns will not separate in the textile operation. The knotted yarns to be locked together actuate the switch to apply heat to the yarns to lock the knot in the yarns and sever the tails of the tied yarns.