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.

Date of Patent:
Mar. 16, 2010

Filed:

Jan. 31, 2006
Applicants:

Kazumi Fukuhara, Akashi, JP;

Masayuki Inuzuka, Ikeda, JP;

Mitsuo Fujimoto, Kobe, JP;

Ryoji Ohashi, Kobe, JP;

Inventors:

Kazumi Fukuhara, Akashi, JP;

Masayuki Inuzuka, Ikeda, JP;

Mitsuo Fujimoto, Kobe, JP;

Ryoji Ohashi, Kobe, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23K 20/12 (2006.01);
U.S. Cl.
CPC ...
Abstract

The invention is a welding tool used in a friction-stir welding apparatus for welding a plurality of members to be welded. The welding tool includes: a tool holder having a front end and a base end, the base end being held by the friction-stir welding apparatus so as to be driven to rotate and move by the friction-stir welding apparatus; and a welding unit of a wear resistant material adapted to be removably mounted on the front end of the tool holder, the welding unit mounted on the front end of the tool holder being immersed into a part of the members to be welded during a friction-stir welding.


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