Power cable with longitudinal waterblock elements

Details Power cable with longitudinal waterblock elements Power cable with longitudinal waterblock elements

1994-04-06

1996-01-23

Nimmo, Morris H.

Electricity: conductors and insulators

With fluids or vacuum

With fluid stops

174105SC, 174106SC, 174108, H01B 728

Patent

active

054866480

ABSTRACT:
An electric power cable is provided having concentric neutral wires (CN wires) applied helically over the cable core construction to serve as a metallic ground shield and having a protective polymeric jacket over the CN wires. The cable is characterized in that at least one continuous, elongated water swellable element, such as yarn, filament, strand or strip is provided in contact with the CN wires and is so disposed in relation thereto as to block the passage of water within the cable in the longitudinal direction.

REFERENCES:
patent: 4703134 (1987-10-01), Uematsu
patent: 4815813 (1989-03-01), Arroyo et al.
patent: 4909592 (1990-03-01), Arroyo et al.
patent: 4913517 (1990-04-01), Arroyo et al.
patent: 5010209 (1991-04-01), Marciano-Agostinelli et al.
patent: 5146946 (1992-09-01), Arroyo et al.
patent: 5157752 (1992-10-01), Greveling et al.
patent: 5264251 (1993-11-01), Geursen et al.
patent: 5300733 (1994-04-01), Uematsu

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