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. 31, 2011
Filed:
Apr. 20, 2005
Wataru Urushihara, Kobe, JP;
Mikako Takeda, Kobe, JP;
Katsushi Matsumoto, Kobe, JP;
Jun Katoh, Kobe, JP;
Yasuaki Sugizaki, Kobe, JP;
Hidekazu Ido, Kobe, JP;
Wataru Urushihara, Kobe, JP;
Mikako Takeda, Kobe, JP;
Katsushi Matsumoto, Kobe, JP;
Jun Katoh, Kobe, JP;
Yasuaki Sugizaki, Kobe, JP;
Hidekazu Ido, Kobe, JP;
Kobe Steel, Ltd., Kobe-shi, JP;
Abstract
To provide a steel-aluminum welded material and a spot welding method therefor having high weld strength. The steel-aluminum welded materialincludes a steel materialand an aluminum materialhaving predetermined widths. The area of a nuggetof a spot-welded part is determined as a function of the thickness of the aluminum material, and the area of a part of the nuggetcorresponding to a part having a thickness in a range between 0.5 and 10 μm of an interface reaction layeris defined as a function of the thickness of the aluminum material