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. 30, 2019
Filed:
Jun. 28, 2013
Applicant:
Uacj Corporation, Chiyoda-ku, Tokyo OT, JP;
Inventors:
Mineo Asano, Tokyo, JP;
Yusuke Yamamoto, Tokyo, JP;
Assignee:
UACJ CORPORATION, Chiyoda-Ku, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C 21/08 (2006.01); C22C 21/06 (2006.01); C22C 21/00 (2006.01); B21B 1/26 (2006.01); C22F 1/047 (2006.01);
U.S. Cl.
CPC ...
C22C 21/08 (2013.01); B21B 1/26 (2013.01); C22C 21/00 (2013.01); C22C 21/06 (2013.01); C22F 1/047 (2013.01);
Abstract
An anodized aluminum alloy sheet exhibits excellent surface quality without showing a band-like streak pattern and is formed from a 5000 series aluminum alloy sheet that includes 1.0 to 6.0 mass % of Mg, wherein the concentration of Mg in a solid-solution state that is present in an outermost surface area of the aluminum alloy sheet varies in the widthwise direction of the aluminum alloy sheet in the form of a band having a width of 0.05 mm or more, and the difference in the concentration of Mg between adjacent bands is 0.20 mass % or less.