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:
Apr. 19, 2022
Filed:
May. 14, 2019
Applicant:
Netzsch Trockenmahltechnik Gmbh, Selb, DE;
Inventors:
Frank Winter, Wettenberg, DE;
Wilhelm Fernengel, Kleinostheim, DE;
Assignee:
NETZSCH Trockenmahltechnik GmbH, Hanau, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 41/02 (2006.01); H01F 1/057 (2006.01);
U.S. Cl.
CPC ...
H01F 41/0293 (2013.01); H01F 1/0576 (2013.01);
Abstract
A method and a plant for the production of a powdery material, which is provided for the manufacture of rare earth magnets. First of all, at least one magnetic or magnetizable raw material, respectively, is provided and is comminuted into a powdery intermediate product, which includes powder particles including corners and edges, by means of conventional comminuting methods. The sharp-edged powder particles are chamfered subsequently. The optimized powdery product including the chamfered powder particles is used for the manufacture of rare earth magnets.