Methods of making a compositely insulated conductor having a lay

Details Methods of making a compositely insulated conductor having a lay Methods of making a compositely insulated conductor having a lay

1983-11-18

1984-11-20

Dawson, Robert

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

Agglomeration or accretion

156 51, 2504923, 264174, 427 44, 427118, H01B 1314

Patent

active

044838085

ABSTRACT:
An elongated metallic conductor is insulated with an inner layer of a plasticized polyvinyl chloride composition and an outer layer of a plasticized, irradiation cross-linked polyvinyl chloride composition. The outer layer has a low coefficient of friction to facilitate pulling in central office racks, has mechanical properties which are required for installation and use and, in a preferred embodiment, has a thickness which is substantially less than that of the inner layer. The layers are extruded in the same extruder crosshead that seemingly causes the outer layer to bond to the inner layer to facilitate stripping of the composite insulation from the conductor.

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Northern Telcom Cable News, Oct. 1980.
"Dual Wall Wire Improves Operations", Wire Journal, Oct. 1981, pp. 60 & 61.

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