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:
May. 17, 2011
Filed:
Apr. 13, 2007
Applicant:
Dwight A. Burford, Park City, KS (US);
Inventor:
Dwight A. Burford, Park City, KS (US);
Assignee:
Wichita State University, Wichita, KS (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23K 13/08 (2006.01); B23K 15/02 (2006.01); B23K 1/20 (2006.01); B23K 20/12 (2006.01); B23K 31/02 (2006.01); B23Q 15/00 (2006.01); B23Q 16/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A friction stir welding tool having one or more tapered flats for promoting flow of weld material toward the pin terminus and one or more counter-spiraling channels or threads which for promoting flow of the weld material toward the tool shoulder.