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:
Jan. 16, 2018
Filed:
Apr. 13, 2012
Applicants:
Gaelle Pouget, Grenoble, FR;
Christophe Sigli, Grenoble, FR;
Inventors:
Gaelle Pouget, Grenoble, FR;
Christophe Sigli, Grenoble, FR;
Assignee:
CONSTELLIUM ISSOIRE, Issoire, FR;
Primary Examiner:
Int. Cl.
CPC ...
C22C 21/16 (2006.01); C22F 1/057 (2006.01); C22C 21/12 (2006.01);
U.S. Cl.
CPC ...
C22C 21/16 (2013.01); C22C 21/12 (2013.01); C22F 1/057 (2013.01);
Abstract
The disclosure provides for wrought products made of Al—Cu—Mg aluminum alloy composed as follows, as a percentage by weight, Cu: 2,6-3.7; Mg: 1.5-2.6, Mn: 0.2-0.5; Zr: ≦0.16; Ti: 0.01-0.15; Cr≦0.25; Si≦0.2; Fe≦0.2; other elements <0.05 the rest aluminum; with Cu>−0.9(Mg)+4.3 and Cu<−0.9(Mg)+5.0; where Cu=Cu−0.74(Mn−0.2)−2.28 Fe and Mg=Mg−1.73(Si−0.05) for Si≧0.05 and Mg=Mg for Si<0.05 and their manufacturing process.