Composite iron material

Details Composite iron material Composite iron material

1991-06-07

1993-05-18

Theisen, Mary Lynn

Plastic and nonmetallic article shaping or treating: processes

Forming articles by uniting randomly associated particles

Autogenously or by activation of dry coated particles

252 6254, 264DIG58, 427214, 427216, 428407, H01F 106, B29C 4302

Patent

active

052118967

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.

REFERENCES:
patent: 1783561 (1930-12-01), Eisenmann
patent: 1789477 (1931-01-01), Roseby
patent: 1982689 (1934-12-01), Polydoroff
patent: 2162273 (1939-06-01), Schulze
patent: 2648609 (1953-08-01), Wurster
patent: 3117027 (1964-01-01), Lindlof et al.
patent: 3253944 (1966-05-01), Wurster
patent: 3354863 (1967-11-01), Reynolds
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patent: 3992558 (1976-11-01), Smith-Johannsen et al.
patent: 4601765 (1986-07-01), Soileau et al.
patent: 4696725 (1987-09-01), Ochiai et al.
patent: 4947065 (1990-08-01), Ward et al.
patent: 5063011 (1991-11-01), Rutz et al.

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