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. 05, 2010
Filed:
May. 25, 2006
Applicants:
Håkan Engström, Bromma, SE;
Luis Miñarro I Bruguera, Barcelona, ES;
Vasco I Salas, Barcelona, ES;
Inventors:
Assignee:
Sandvik Intellectual Property AB, Sandviken, SE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22C 29/08 (2006.01); B21K 5/20 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to cemented carbide for steel tire cord drawing operations. The cemented carbide comprises WC with an ultra fine grain size and greater than 5 and less than 10 wt-% Co, including grain growth inhibitors (V and/or Cr) and with a specific relation between HV30 and cobalt content.