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:
Jan. 13, 2026
Filed:
Oct. 28, 2022
Applicant:
Bräcker Ag, Pfäffikon-Zürich, CH;
Inventors:
Assignee:
Bräcker AG, Pfäffikon-Zürich, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D01H 7/60 (2006.01);
U.S. Cl.
CPC ...
D01H 7/602 (2013.01); D01H 7/604 (2013.01);
Abstract
A spinning ring for a ring-spinning or ring-twisting machine includes a web and a ring crown, the ring crown having a contact surface along which a ring traveler slides in operation of the ring-spinning or ring-twisting machine. At least the contact surface of the ring crown formed of a tungsten sintered material having at least 90% tungsten. A ring/traveler system using the spinning ring includes a ring traveler made of a wire made of high-speed steel (HSS) having a minimum hardness of 60 HRC.