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:
Jul. 17, 2018
Filed:
Jul. 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
Multilayered brazing sheet including aluminium core alloy layer of 3xxx-series aluminium 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 0.07% Mg, up to 0.2% Cr, up to 0.25% Zr, up to 0.2% Ti, up to 0.15% Zn, balance aluminium and impurities, first and second brazing clad layers on opposed faces of core layer, and an inter-layer on either or both sides of core layer between the core layer and first or second brazing clad layer. The first and second brazing layers are 4xxx-series aluminium alloy. The inter-layer(s) is 3xxx-series aluminium alloy, having, in wt. %, up to 0.6% Si, 0.2% to 0.7% Fe, up to 0.2% Cu, 1.0% to 1.6% Mn, up to 0.25% Zn, up to 0.04% Mg, up to 0.2% Cr, up to 0.2% Zr, up to 0.07% Ti, balance aluminium and impurities.