Reinforced electrical cable and method of forming the cable

Details Reinforced electrical cable and method of forming the cable Reinforced electrical cable and method of forming the cable

1985-09-04

1987-06-23

Nimmo, Morris H.

Electricity: conductors and insulators

Conduits, cables or conductors

Conductive armor or sheath

156 51, 156 52, 156 56, 174113R, 174116, 174120AR, H01B 718

Patent

active

046754741

ABSTRACT:
A reinforced electrical cable having a plurality of conductor assemblies in an armor covering, and filler material filling the interstices between the conductor assemblies and the armor covering, and the method of forming the cable. Each conductor assembly includes a core of conducting material, a layer of insulation which surrounds the core, a second layer of chemical barrier material which surrounds the first layer and a layer of reinforcing material surrounding the insulation layer. The plurality of conductor assemblies are then arranged as desired and the filler material (in the unvulcanized state) is placed around and between the conductor assemblies. The quantity of filler material placed between and around the conductor assemblies is sufficient to fill the interior of the armor covering in its unvulcanized state. The armor covering is next placed around the conductor assemblies and the filler material. The unvulcanized filler material conforms to the interior of the armor covering. The entire assembly is then vulcanized. As a result of this heating, the layers of insulation and the filler material expand outwardly, both thermally and chemically. This places the cable assembly in compression.

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