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:
Sep. 24, 2013
Filed:
Nov. 22, 2010
Applicants:
Shuichiro Irie, Chuo-ku, JP;
Raitaro Masaoka, Chuo-ku, JP;
Toshiya Hozumi, Chuo-ku, JP;
Tetsuya Chiba, Chuo-ku, JP;
Inventors:
Shuichiro Irie, Chuo-ku, JP;
Raitaro Masaoka, Chuo-ku, JP;
Toshiya Hozumi, Chuo-ku, JP;
Tetsuya Chiba, Chuo-ku, JP;
Assignee:
TDK Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B28B 3/20 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a method for producing a rare earth sintered magnet including the steps of: molding a mixture of magnetic powder containing a rare earth compound and oil-extended rubber containing oil and rubber to produce a molded body; removing the oil-extended rubber from the molded body; and calcining the molded body from which the oil-extended rubber is removed to produce a rare earth sintered magnet