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. 28, 1996
Filed:
Dec. 29, 1994
Applicant:
Inventor:
David L Childree, Livermore, CA (US);
Assignee:
Kaiser Aluminum & Chemical Corporation, Pleasanton, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K / ; B23K / ;
U.S. Cl.
CPC ...
228183 ; 22826251 ; 228221 ;
Abstract
An aluminum brazing alloy composite sheet is provided which can be utilized in both the vacuum brazing process and the controlled atmosphere brazing process for the brazing of aluminum parts. The brazing alloy composite sheet consists of an aluminum core alloy of the 3XXX, 5XXX or 6XXX type clad at least on one major surface with a lithium-containing aluminum filler alloy containing from about 0.01% to about 0.30% by weight lithium. The core alloy may contain up to about 2% by weight magnesium and is suitable for producing aluminum alloy heat exchanger assemblies, such as radiators or evaporators.