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. 13, 1998
Filed:
Apr. 02, 1996
Applicant:
Inventor:
David L Childree, Livermore, CA (US);
Assignee:
Kaiser Aluminum & Chemical Corporation, Pleasanton, CA (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23K / ; B23K / ;
U.S. Cl.
CPC ...
228206 ; 228211 ; 22826251 ;
Abstract
A process for improving the fillet-forming capability of brazeable aluminum articles includes providing a brazeable aluminum article, having at least one surface; and contacting the surface with a dilute, aqueous solution of fluoridic compounds, for at least 5 seconds at a temperature ranging from about 150.degree. to 212.degree. F. to produce an oxide-free surface which can be readily brazed with a minimal drip loss.