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. 31, 2012
Filed:
Sep. 26, 2006
Applicants:
Arata Yoshida, Toyama, JP;
Shinji Makino, Imigu, JP;
Tomoo Yoshida, Toyama, JP;
Inventors:
Assignee:
Aisin Keikinzoku Co., Ltd., , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22F 1/04 (2006.01); C22C 21/06 (2006.01); C22C 21/00 (2006.01); C22C 21/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
An aluminum alloy extruded product includes an aluminum alloy including 6.0 to 7.2 mass % of Zn, 1.0 to 1.6 mass % of Mg, 0.1 to 0.4 mass % of Cu, at least one component selected from the group consisting of Mn, Cr, and Zr in a respective amount of 0.25 mass % or less and a total amount of 0.15 to 0.25 mass %, 0.20 mass % or less of Fe, and 0.10 mass % or less of Si, with the balance substantially being aluminum, the aluminum alloy extruded product having a hollow cross-sectional shape, a recrystallization rate of 20% or less of a cross-sectional area of the extruded product, and a 0.2% proof stress of 370 to 450 MPa.