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:
Aug. 30, 1994
Filed:
Apr. 06, 1993
Applicant:
Inventors:
Assignee:
Daido Tokushuko Kabushiki Kaisha, Nagoya, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22F / ;
U.S. Cl.
CPC ...
419 61 ; 419 12 ; 419 65 ; 419 67 ; 420 83 ; 148101 ;
Abstract
A method for producing an anisotropic rare earth magnet is improved by extruding using a compacted material formed in a shape having difference in level between the center part to be in contact with the end face of a punch and the outer peripheral part to be faced with a molding cavity formed between the punch and a cylindrical die of a mold.