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:
Oct. 21, 2003
Filed:
Oct. 26, 2001
Applicant:
Inventors:
Shinji Takeno, Tokyo, JP;
Nobuyuki Kakimoto, Tokyo, JP;
Assignee:
Sky Aluminum Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 1/520 ; B23K 3/102 ;
U.S. Cl.
CPC ...
B32B 1/520 ; B23K 3/102 ;
Abstract
A brazing sheet comprises a thin covering material and a core material as well as an Al—Si alloy brazing material inserted between the thin covering material and the core material. The brazing material further contains Mg, Bi and/or Zn, Sn, In. When the above brazing material is molten in an inert gas atmosphere, this molten brazing material seeps onto the surface of the above thin covering material, whereby the brazing sheet is fluxlessly brazed to joint materials.