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. 08, 2011
Filed:
Mar. 22, 2010
Koichi Nakagawa, Tokyo, JP;
Qing Liu, Shenzhen, CN;
Isao Shiozawa, Tokyo, JP;
Takeo Nakagawa, Tokyo, JP;
Koichi Nakagawa, Tokyo, JP;
Qing Liu, Shenzhen, CN;
Isao Shiozawa, Tokyo, JP;
Takeo Nakagawa, Tokyo, JP;
Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd, Shenzhen, Guangdong Province, CN;
Hon Hai Precision Industry Co., Ltd., Tu-Cheng, New Taipei, TW;
FINE TECH Corporation, Tokyo, JP;
Abstract
A friction stir welding method includes providing a joining tool including a friction surface; providing a first workpiece and a second workpiece; arranging the first workpiece and second workpiece in position with a first joining surface abutting a second joining surface, a friction surface of a joining tool resisting at least one of the first treating surface and the second treating surface; positioning, rotating and moving the joining tool to rub and stir at least one of the first workpiece and the second workpiece, thus plasticizing at least part of the first workpiece and the second workpiece to join the first workpiece and the second workpiece.