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:
Mar. 10, 2020
Filed:
Jun. 05, 2015
Applicant:
Shimano Inc., Sakai, Osaka, JP;
Inventors:
Kazunori Kobayashi, Osaka, JP;
Wataru Yamaguchi, Osaka, JP;
Masanori Taniguchi, Osaka, JP;
Toru Iwai, Osaka, JP;
Assignee:
Shimano Inc., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22C 21/08 (2006.01); C22F 1/05 (2006.01); C22F 1/043 (2006.01); C22C 21/00 (2006.01); C22F 1/047 (2006.01); C22C 21/06 (2006.01); C22C 21/02 (2006.01); C22F 1/04 (2006.01);
U.S. Cl.
CPC ...
C22C 21/08 (2013.01); C22C 21/00 (2013.01); C22C 21/02 (2013.01); C22C 21/06 (2013.01); C22F 1/04 (2013.01); C22F 1/043 (2013.01); C22F 1/047 (2013.01); C22F 1/05 (2013.01);
Abstract
A rolled aluminum alloy material is provided with excellent strength and press workability and with which a poor and patchy appearance is less likely to occur after the alumite treatment. The rolled aluminum alloy material can be utilized for components of a bicycle crank. The rolled aluminum alloy material has a component composition comprising 0.6-1.4 wt % of Mg, 0.3-1.0 wt % of Si, 0.1-0.5 wt % of Cu, 0.02-0.4 wt % of Cr, and 0.1-0.6 wt % of Mn, and Al and inevitable impurities as the remainder.