Water blocked electric cables

Details Water blocked electric cables Water blocked electric cables

1976-06-14

1977-01-11

Grimley, Arthur T.

Electricity: conductors and insulators

With fluids or vacuum

With fluid stops

174107, H01B 728

Patent

active

040028194

ABSTRACT:
An electric cable having a multi-stranded core of insulated conductors and a jacket, in which the spaces between and around the conductors are at least partially filled with a mixture which forms a blockage to the penetration of water. The mixture comprises water repellant treated calcium carbonate and high molecular weight polyacrylamide resin which do not react with each other or when in contact with water. Preferably the individual conductors are coated with a hydrophobic liquid such as a low viscosity paraffinic oil.

REFERENCES:
patent: 3538235 (1970-11-01), Arendt et al.
patent: 3711621 (1973-01-01), Jachimowicz
patent: 3803339 (1974-04-01), Speekman
patent: 3903013 (1975-09-01), Foord et al.
patent: 3915888 (1975-10-01), Hoeppel

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