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. 03, 2017
Filed:
Oct. 28, 2011
Applicants:
Arjen Kamp, Leiden, NL;
Sabine Maria Spangel, Koblenz, DE;
Inventors:
Arjen Kamp, Leiden, NL;
Sabine Maria Spangel, Koblenz, DE;
Assignee:
ALERIS ROLLED PRODUCTS GERMANY GMBH, Koblenz, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22F 1/047 (2006.01); B21D 25/00 (2006.01); C22C 21/06 (2006.01);
U.S. Cl.
CPC ...
B21D 25/00 (2013.01); C22C 21/06 (2013.01); C22F 1/047 (2013.01);
Abstract
A method of producing a shaped aluminum alloy panel, preferably for aerospace or automotive applications, from 5000-series alloy sheet. The method includes: providing a sheet made of 5000-series alloy having a thickness of about 0.05 to 10 mm and a length in the longest dimension of at least 800 mm; and stretch forming the sheet at a forming temperature between −100° C. and −25° C., to obtain a shaped aluminum alloy panel. A shaped article formed by the above method is also provided.