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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.:

US 9486881 B1

PDFFull Text
Date of Patent:
Nov. 08, 2016

Filed:

Nov. 09, 2012

Aluminium alloy sheet product or extruded product for fluxless brazing

Applicant:

Aleris Rolled Products Germany Gmbh, Koblenz, DE;

Inventors:

Adrianus Jacobus Wittebrood, Velserbroek, NL;

Steven Kirkham, Ransbach-Baumbach, DE;

Achim Bürger, Höhr Grenzhausen, DE;

Klaus Vieregge, Nauort, DE;

Assignee:

ALERIS ROLLED PRODUCTS GERMANY GMBH, Koblenz, DE;

Attorney:

Vorys, Sater, Seymour and Pease LLP

Primary Examiner:

Erin Saad

Int. Cl.
CPC ...
B23K 3/00 (2006.01); B23K 1/00 (2006.01); B23K 35/00 (2006.01); B23K 35/22 (2006.01); B23K 35/02 (2006.01); B23K 35/28 (2006.01); C22C 21/00 (2006.01); C22C 21/02 (2006.01); B23K 35/26 (2006.01); B32B 15/01 (2006.01); B21C 23/00 (2006.01); C23C 4/06 (2016.01); C23C 14/16 (2006.01); C23C 16/06 (2006.01); C25D 3/54 (2006.01); C25D 3/56 (2006.01);
U.S. Cl.
CPC ...
B23K 35/0238 (2013.01); B21C 23/002 (2013.01); B23K 1/00 (2013.01); B23K 35/002 (2013.01); B23K 35/264 (2013.01); B23K 35/286 (2013.01); B32B 15/017 (2013.01); C22C 21/00 (2013.01); C22C 21/02 (2013.01); C23C 4/06 (2013.01); C23C 14/16 (2013.01); C23C 16/06 (2013.01); C25D 3/54 (2013.01); C25D 3/56 (2013.01); B23K 2201/14 (2013.01); Y10T 428/12681 (2015.01);
Abstract

An aluminum alloy sheet product or extruded product for fluxless brazing, including an aluminum alloy core having on at least one face an aluminum filler clad layer containing 4% to 15% of Si, the filler clad layer having an inner-surface and an outer-surface, the inner-surface is facing the aluminum alloy core and the outer-surface is facing a coating layer of 2 to 45 mg/sq·m of Bi or of a Bi-based alloy. Furthermore, a method of brazing a brazed assembly incorporating at least one member made from the brazing sheet material.

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