Compositions – Magnetic – With wax – bitumen – resin – or gum
Patent
1996-02-15
1997-01-07
Maples, John S.
Compositions
Magnetic
With wax, bitumen, resin, or gum
252 6255, 252 6256, 264126, 264DIG58, 428407, 428900, H01F 122
Patent
active
055913733
ABSTRACT:
A mass of ferromagnetic particles moldable into stable, high strength, magnetic cores useful in thermally and chemically hostile environments comprising an iron core and a continuous layer of polyetherimide, polyethersulfone or polyamideimide spray coated onto the surface of each particle. A method of preheating and molding the particles is disclosed.
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Gay David E.
Ward Robert W.
Diamond Alan D.
General Motors Corporation
Maples John S.
Plant Lawrence B.
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