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:
Mar. 18, 1986
Filed:
Jul. 02, 1984
Applicant:
Inventors:
Rolf Griesinger, Goppingen-Faurndau, DE;
Gerhard Fetzer, Sussen, DE;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D01H / ;
U.S. Cl.
CPC ...
57416 ;
Abstract
A spinning rotor for an open-end spinning device and a method of making same is disclosed. A spinning rotor arrangement includes a shaft carrying a rotor including a sliding wall starting at one open face side of the rotor and diversing conically outward of the rotor axes. A fiber collecting groove is connected to the sliding surface and forms the greatest inner diameter portion of the rotor. The surfaces of the fiber collecting groove are hardened by a plastic deformation process.