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. 08, 2001
Filed:
Feb. 18, 1999
Applicant:
Inventors:
Masatoshi Enomoto, Tochigi, JP;
Seiji Tasaki, Tochigi, JP;
Naoki Nishikawa, Tochigi, JP;
Takenori Hashimoto, Tochigi, JP;
Assignee:
Showa Aluminum Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23K 2/012 ; B23K 2/022 ;
U.S. Cl.
CPC ...
B23K 2/012 ; B23K 2/022 ;
Abstract
A friction agitation jointing method of workpieces for subjecting the workpieces made of metals having deformation resistance or melting points different from each other to friction agitation jointing in which two of the workpieces are subjected to the friction agitation jointing while forming a peak of friction agitation force or temperature on a side of the workpiece having a larger or a higher one of the deformation resistance or the melting points relative to a bond interface between the two workpieces.