Permanent magnet member and method of producing same

Details Permanent magnet member and method of producing same Permanent magnet member and method of producing same

1995-06-06

1997-07-22

Cuda, Irene

Metal working

Method of mechanical manufacture

Roller making

2989533, 492 8, B23P 1500

Patent

active

056493622

ABSTRACT:
A permanent magnet member composed of an integral sintered body made of a ferrite magnet material, the integral sintered body including a cylindrical center portion and shaft portions formed at the opposite ends of the cylindrical center portion and each having a smaller diameter than that of the cylindrical center portion, the cylindrical center portion being provided with a plurality of magnetic poles extending axially and arranged circumferentially on an outer surface of the cylindrical center portion.

REFERENCES:
patent: 3643311 (1972-02-01), Knechtel et al.
patent: 3988816 (1976-11-01), Tada
patent: 4992767 (1991-02-01), Hozumi et al.
patent: 5384957 (1995-01-01), Mohri et al.

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