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:
Dec. 07, 2010
Filed:
Nov. 07, 2006
Applicants:
Haruo Machida, Tochigi, JP;
Tadashi Goto, Tochigi, JP;
Inventors:
Haruo Machida, Tochigi, JP;
Tadashi Goto, Tochigi, JP;
Assignee:
Honda Motor., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23K 20/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
In a friction stir welding method for friction stirring and welding a material by using a rotating tool having a shoulder and a pin at a front portion of a shaft portion and ejecting a cooling agent from a cooling nozzle to the tool to be cooled thereby, the cooling agent is ejected to a middle portion in an axial direction of the tool to thereby prevent thermal expansion in an axial direction of the tool.