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. 07, 2019
Filed:
Sep. 09, 2015
Aleris Rolled Products Germany Gmbh, Koblenz, DE;
Steven Kirkham, Ransbach-Baumbach, DE;
Bernd Jacoby, Limburg, DE;
ALERIS ROLLED PRODUCTS GERMANY GMBH, Koblenz, DE;
Abstract
A multi-layered brazing sheet material including an aluminum core alloy layer, a brazing clad layer material on one face of the core layer, an inter-layer between the core layer and brazing clad layer material, and a water-side layer on the other face of the core layer. The core layer made from aluminum alloy having, in wt. %, up to 0.6% Si, up to 0.45% Fe, 0.6% to 1.25% Cu, 0.6% to 1.4% Mn, 0.08% to 0.4% Mg, up to 0.2% Cr, up to 0.25% Zr, up to 0.2% Ti, up to 0.3% Zn, balance aluminum and impurities. The brazing layer made from aluminum alloy having 6% to 14% Si and up to 2% Mg, balance aluminum and impurities. The inter-layer made from 1xxx-series aluminum alloy. The water-side layer made from 3xxx-series aluminum alloy having 0.5% to 1.8% Mn and 1% to 3.5% Zn.