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.

Date of Patent:
Jun. 04, 2013

Filed:

Jun. 25, 2009
Applicants:

Adrianus Jacobus Wittebrood, Velserbroek, NL;

Theobald DE Haan, Uden, NL;

Achim Bürger, Höhr-Grenzhausen, DE;

Inventors:

Adrianus Jacobus Wittebrood, Velserbroek, NL;

Theobald De Haan, Uden, NL;

Achim Bürger, Höhr-Grenzhausen, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 15/20 (2006.01); B23K 35/28 (2006.01); C22C 21/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

A brazing sheet material for CAB brazing without applying flux. The brazing sheet material including an aluminum core alloy layer provided with a first brazing clad layer material on one or both sides of the aluminum core layer and at least one second brazing clad layer material positioned between the aluminum core alloy layer and the first braze clad layer material. The second brazing clad layer material is an Al—Si alloy brazing material having 5% to 20% Si and 0.01% to 3% Mg, and the first brazing clad layer material is an Al—Si alloy brazing material having 2% to 14% Si and less than 0.4% Mg. Also disclosed is a brazed assembly manufactured in a brazing operation.


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