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:
Apr. 22, 2014
Filed:
Feb. 28, 2007
Applicants:
Mitsuru Sayama, Saitama, JP;
Tetsuya Miyahara, Saitama, JP;
Fumiaki Fukuchi, Saitama, JP;
Inventors:
Assignee:
Honda Motor Co., Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23K 20/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a friction stir welder that includes a stage on which at least two material pieces to be welded are mounted and stacked, a pressing member that covers and presses end faces of the material pieces to be welded that are mounted and stacked on the stage, and a rotary tool that is inserted into the stacked material pieces to be welded while rotating, so that a plastic flow is generated at an interfacing portion as well as in the vicinity thereof between the rotary tool and the material pieces to be welded, thereby to joint the material pieces to be welded to each other.