Electric cables

Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Rod – strand – filament or fiber

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Details

156 51, 156247, 174120SC, 174120SR, 427118, H01B 902, H01B 1314

Patent

active

039625176

ABSTRACT:
A cable core and method of forming such core is provided including a conductor having an extruded dielectric of an insulating material selected from the group of insulating materials consisting of rubber and plastics materials, a dielectric screen comprising a layer of conductive or semi-conductive material selected from the group consisting of conductive and semi-conductive rubber and plastics materials and, interposed between and bonded to the extruded dielectric and the dielectric screen throughout substantially the whole length of the core, an intermediate layer having at least in a circumferentially continuous zone of the layer a cohesive strength substantially less than the cohesive strengths of the extruded dielectric and the dielectric screen and substantially less than the strengths of the bonds between the intermediate layer and the dielectric screen such that when stripping the dielectric screen from the core over a part of its length for jointing or terminating purposes separation takes place within the intermediate layer to leave a portion of the intermediate layer on the extruded dielectric.

REFERENCES:
patent: 3617377 (1971-11-01), Isshiki et al.
patent: 3684821 (1972-08-01), Miyauchi et al.
patent: 3719769 (1973-03-01), Miyauchi et al.
patent: 3769085 (1973-10-01), Matsubara
patent: 3787255 (1974-01-01), Carini et al.
patent: 3793476 (1974-02-01), Misiura et al.

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