Metal working – Method of mechanical manufacture – Electrical device making
Patent
1990-10-12
1992-04-21
Hall, Carl E.
Metal working
Method of mechanical manufacture
Electrical device making
174120A, 174120C, 427118, 4271263, H01F 4106
Patent
active
051055317
ABSTRACT:
A method of manufacturing an insulated wire coil is performed by covering the outer peripheral surface of a conductor with a mineral insulating layer, then coating the mineral insulating layer with a precursor solution of an oxide insulating material prior to winding the wire into a coil. After completion of the coil the precursor solution is dried.
REFERENCES:
patent: 2848794 (1958-08-01), Roth
patent: 3109053 (1963-10-01), Ahearn
patent: 3352009 (1967-11-01), Cohn et al.
patent: 3359630 (1967-12-01), Metz
patent: 3425121 (1969-02-01), Ostrander et al.
patent: 4291457 (1981-09-01), Heyrand
Inazawa Shinji
Sawada Kazuo
Yamada Kouichi
Fasse W. G.
Hall Carl E.
Kane, Jr. D. H.
Sumitomo Electric Industries Ltd.
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