Semiconductor binding tape and an electrical member wrapped ther

Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond

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Details

174120SC, 428247, 428255, 428278, 428324, H01B 702, B32B 516

Patent

active

040911390

ABSTRACT:
An insulated electrical member is made comprising at least one conductor wrapped with mica insulation and covered with a semiconducting binding tape, the whole being impregnated with a curable epoxy-styrene resin; where the binding tape comprises a porous, open weave substrate of electrically semiconducting fibrous strands, each fibrous strand being substantially permeated with a filled, thermosettable, protective varnish composition, the varnish composition containing between about 15 to 45 weight percent of electrically contacting carbon particles having a total internal and external surface area of up to about 600 square meters/gram, uniformly distributed therethrough, the interior of the carbon being substantially free of the varnish and resin, to provide fibrous strands that will conduct electricity.

REFERENCES:
patent: RE25213 (1962-07-01), Runk et al.
patent: 2754352 (1956-07-01), Connell
patent: 2977333 (1961-03-01), Runk et al.
patent: 3026222 (1962-03-01), Rogers, Jr. et al.
patent: 3556925 (1971-01-01), Mertens
patent: 3586557 (1971-06-01), Rogers
patent: 3647611 (1972-03-01), Mertens
patent: 3695984 (1972-10-01), Rogers, Jr.
patent: 3735025 (1973-05-01), Ling et al.
patent: 3780206 (1973-12-01), Reynolds
patent: 3867245 (1975-02-01), Herman
patent: 3868613 (1975-02-01), Rogers, Jr. et al.

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