Bonded magnet-forming composition and magnet roller using the sa

Details Bonded magnet-forming composition and magnet roller using the sa Bonded magnet-forming composition and magnet roller using the sa

1999-03-30

2000-10-17

Koslow, C. Melissa

Compositions

Magnetic

With wax, bitumen, resin, or gum

492 8, 492 15, H01F 702, G03G 1506

Patent

active

061326348

ABSTRACT:
A bonded magnet featuring mechanical strength is obtained from a bonded magnet-forming composition comprising magnetic powder and a binder wherein the binder is based on highly crystalline polypropylene in one form or contains a modified polyolefin in another form. Also provided is a magnet roller comprising a magnet body (1) of bonded magnet configured into a roller shape and a shaft (2) associated therewith wherein at least the magnet body (1) is formed from the bonded magnet-forming composition.

REFERENCES:
patent: 3477961 (1969-11-01), Castagna
patent: 4689269 (1987-08-01), Mukai et al.
patent: 5908578 (1999-06-01), Nishimuro et al.
patent: 5946535 (1999-08-01), Aoki

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