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. 23, 1996
Filed:
Oct. 12, 1993
Koichi Hashiguchi, Chiba, JP;
Yoshihiro Matsumoto, Chiba, JP;
Makoto Imanaka, Chiba, JP;
Takaaki Hira, Chiba, JP;
Rinsei Ikeda, Chiba, JP;
Naoki Nishiyama, Chiba, JP;
Nobuo Totsuka, Chiba, JP;
Yoichiro Bekki, Tokyo, JP;
Motohiro Nabae, Tokyo, JP;
Kawasaki Steel Corporation, , JP;
Abstract
A method including preparing an aluminum scrap containing a total of about 0.3 to 2.0 wt % of Fe and Si; melting and then adjusting the material composition so as to attain an Mg content of about 3 to 10 wt % or a composition further containing at least one of the elements Cu, Mn, Cr, Zr and Ti, each in the amount of 0.02 to 0.5 wt %; subjecting the material to casting, hot rolling, cold rolling and continuous annealing to obtain an aluminum alloy sheet having a tensile strength of about 31 kgf/mm.sup.2 or more; and applying a lubricant surface coating to impart a coefficient of friction of not more than about 0.11.