Electrically insulated coil

Details Electrically insulated coil Electrically insulated coil

1990-08-02

1991-12-24

Cashion, Jr., Merrell C.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Embodying intertwined or helical component

428209, 428273, 428285, 428417, 428418, D03D 1300

Patent

active

050751590

ABSTRACT:
An electrically insulated coil manufactured with a composition comprising a poly-functional epoxy resin having at least three of p-(2,3-epoxy propoxy) phenyl groups and a bi-functional epoxy resin as a binding resin for a reinforced insulating base sheet and as an impregnation resin has no peeling off in its insulating layers and is capable to be used continuously under the temperature at 200.degree. C. or above.

REFERENCES:
patent: 3556920 (1971-01-01), Balme et al.
patent: 4013987 (1977-03-01), Foster
patent: 4335367 (1982-06-01), Mitsui et al.
patent: 4336302 (1982-06-01), Ihlein
patent: 4400676 (1983-08-01), Mutsui

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