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. 25, 2011
Filed:
Jun. 06, 2005
Applicants:
Mutsuhiro Maeda, Chiyoda-ku, JP;
Kazunari Kobayashi, Chiyoda-ku, JP;
Yuk Fai Lau, Shatin, HK;
Inventors:
Assignee:
Toshiba Battery Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B22D 11/00 (2006.01); B22D 11/126 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for manufacturing non lead added anode zinc material for manganese dry batteries comprising compounding a zinc alloy by melting zinc, 0.1 mass % or more and 0.7 mass % or less of bismuth and other impurity elements inevitably contained in zinc in a melting furnace; casting the compounded molten zinc alloy to a molded material in the form of a band or in the form of a bar; rolling the molded material in band form to form a zinc alloy sheet; and punching the rolled zinc alloy sheet in a designated thickness into a designated shape.