Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1985-02-28
1986-09-09
Bueker, Richard
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
428201, 428209, 428380, 428383, 428461, 428518, B05D 136
Patent
active
046109099
ABSTRACT:
A priorly used drop wire having a single layer of PVC insulating compound, containing a relatively-expensive epoxy additive, extruded over a spaced pair of conductors, having relatively rough surfaces, is replaced with drop wire having less-costly, relatively-smooth, drawn, conductors onto which spaced, unplasticized particles of PVC resin are coated and the portions of the particles contacting the surfaces of the conductors are melted, caused to undergo controlled degradation and adhere to the surface of the conductor, and thus form a relatively-stable, texturized, discontinuous coating of adhesion sites on the surfaces of the conductors with interdispersed portions of the surfaces being exposed.
Over the precoated conductors, a composition containing a plasticized PVC resin may be extruded to form an insulating covering having a relatively-stable, controlled-degree of adhesion to the adhesion sites and the interdispersed, exposed surfaces of the conductors.
A precoated metallic strand having a texturized, discontinuous coating of degradated, unplasticized plastic adhesion sites formed on selected portions of the surface of the metallic strand may be used as an article of manufacture onto which an adherent coating of compound containing plasticized plastic may be molded to make other items such as plastic-coated fencing material.
REFERENCES:
patent: 3935369 (1976-01-01), George et al.
patent: 4084018 (1978-04-01), Karr
Kiersarsky Albert S.
Sauer Earl S.
Vesperman William C.
Wilson Max K.
AT&T - Technologies, Inc.
Bueker Richard
Bush Don P.
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