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:
May. 10, 2011
Filed:
Aug. 03, 2006
Hirokazu Kanekiyo, Osaka, JP;
Toshio Miyoshi, Osaka, JP;
Katsunori Bekki, Osaka, JP;
Ikuo Uemoto, Osaka, JP;
Kazuo Ishikawa, Mie, JP;
Hirokazu Kanekiyo, Osaka, JP;
Toshio Miyoshi, Osaka, JP;
Katsunori Bekki, Osaka, JP;
Ikuo Uemoto, Osaka, JP;
Kazuo Ishikawa, Mie, JP;
Hitachi Metals, Ltd., Tokyo, JP;
Nippon Kagaku Yakin Co., Ltd., Osaka, JP;
Abstract
A method for producing a rare-earth alloy based binderless magnet according to the present invention includes the steps of: (A) providing a rapidly solidified rare-earth alloy magnetic powder; and (B) compressing and compacting the rapidly solidified rare-earth alloy magnetic powder by a cold process without using a resin binder, thereby obtaining a compressed compact, 70 vol % to 95 vol % of which is the rapidly solidified rare-earth alloy magnetic powder.