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:
Nov. 24, 2015
Filed:
Feb. 25, 2013
Applicant:
Sumitomo Electric Industries, Ltd., Osaka-shi, JP;
Inventors:
Yoshiharu Utsumi, Itami, JP;
Hideki Moriguchi, Itami, JP;
Assignee:
Sumitomo Electric Industries, Ltd., Osaka-shi, JP;
Primary Examiner:
Int. Cl.
CPC ...
C23C 26/00 (2006.01); B23K 20/12 (2006.01); C23C 30/00 (2006.01); C23C 14/06 (2006.01); C23C 14/32 (2006.01);
U.S. Cl.
CPC ...
B23K 20/1255 (2013.01); C23C 14/0635 (2013.01); C23C 14/325 (2013.01); C23C 30/005 (2013.01); Y10T 428/12028 (2015.01); Y10T 428/31678 (2015.04);
Abstract
A friction stir welding tool () of the present invention is used for friction stir welding, and includes: a base material (); and a coating layer () formed on a surface of at least a portion of the base material () that is to be caused to contact workpieces during friction stir welding, the coating layer () containing cubic WC.