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:
Jun. 12, 2018
Filed:
Jun. 18, 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
Multilayered brazing sheet material including an aluminum core alloy layer having a first brazing clad layer material on one face of the core layer and a second brazing clad layer material on the other face of the core material, and an inter-layer between the core layer and the first brazing clad layer material, wherein the core layer is 3xxx-series aluminum alloy having, in wt. %, up to 0.4% Si, up to 0.5% Fe, 0.4% to 0.75% Cu, 0.6% to 1.1% Mn, up to 0.04% Mg, up to 0.2% Cr, up to 0.25% Zr, up to 0.2% Ti, up to 0.15% Zn, balance aluminum and impurities, wherein the first brazing layer and the second brazing layer are 4xxx-series aluminum alloy having 7% to 14% Si and up to 2% Mg, balance aluminum and impurities, and wherein the inter-layer is aluminum alloy of the 1xxx-series alloys.