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:
Sep. 05, 1989
Filed:
Sep. 19, 1988
Applicant:
Inventor:
Karl H Schmolke, Neuweiler, DE;
Assignee:
Hollingsworth GmbH, Neubulach, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D01H / ; D01G / ;
U.S. Cl.
CPC ...
57408 ; 19112 ; 19 97 ;
Abstract
An opening cylinder for an open-end spinning machine comprising a cylinder body of aluminum or similar material having a helical groove therein for receiving the foot portion of a saw-tooth wire fillet wherein the width of the groove is smaller than the foot portion of the saw-tooth wire fillet and the material of opening cylinder is deformed by press-rolling the wire fillet into the grooves.