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:
Feb. 01, 2000
Filed:
Oct. 29, 1997
Applicant:
Inventors:
Thomas Born, Holle, DE;
Heinz-Joachim Belt, Burgwedel, DE;
Assignee:
Solvay Fluor und Derivate GmbH, Hannover, DE;
Primary Examiner:
Int. Cl.
CPC ...
B23K / ;
U.S. Cl.
CPC ...
148 26 ; 148 23 ; 148 24 ; 228223 ;
Abstract
A method for aluminum brazing, in which the addition of a solder is no longer necessary. For this purpose a flux is used which contains 6 to 50 wt-% of potassium fluorosilicate and 50 to 94 wt-% of potassium fluoroaluminate. The flux can be used, for example, in the form of an aqueous suspension or paste.