Water impervious rubber or plastic insulated power cable

Details Water impervious rubber or plastic insulated power cable Water impervious rubber or plastic insulated power cable

1992-11-30

1994-04-05

Vo, Peter Dungba

Electricity: conductors and insulators

Conduits, cables or conductors

Conductive armor or sheath

174120SC, H01B 718

Patent

active

053007336

ABSTRACT:
A water impervious rubber or plastic insulated power cable, which is capable of maintaining water imperviousness for an extended period of time, is provided, which power cable comprising: a cable core having a conductor, an extruded conductor shield, a rubber or plastic insulation layer and an extruded insulation shield, the last three members being sequentially formed around the conductor; a water impervious layer which is provided around the cable core and which includes a laminate tape comprising a metal foil and a plastic laminated on at least one surface of the metal foil; an extruded jacket layer which is extruded on the water impervious layer and which is made integral with the plastic of the water impervious layer; a metal shield layer which is provided around the extruded jacket layer and which includes metallic wires; and a corrosion-protective layer which is extruded on the metal shield layer and in which the metal shield layer is embedded.

REFERENCES:
patent: 3790697 (1974-02-01), Buckingham
patent: 3812283 (1974-05-01), Kothe et al.
patent: 3829602 (1974-08-01), Ishikawa et al.
patent: 4461076 (1984-07-01), Plummer, III
patent: 4472597 (1984-09-01), Uematsu
patent: 4552989 (1985-11-01), Sass
patent: 4559973 (1985-12-01), Hane et al.
patent: 4626619 (1986-12-01), Uematsu
patent: 4703134 (1987-10-01), Uematsu

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