Water blocked electric cables

Details Water blocked electric cables Water blocked electric cables

1975-03-07

1977-01-18

Grimley, Arthur T.

Electricity: conductors and insulators

With fluids or vacuum

With fluid stops

174116, H01B 728

Patent

active

040040771

ABSTRACT:
An electric cable having a multi-stranded core and a jacket, in which the voids between and around the core are at least partially filled with a mixture of a hydrophobic powder and a hydrophilic powder. The hydrophobic powder may be coated calcium carbonate and a hydrophilic powder may be polyacrylamide, in which case the polyacrylamide should be between 8% and 30% by weight of the mixture. Preferably the individual conductors are coated with a hydrophobic oil such as a low viscosity paraffinic oil.

REFERENCES:
patent: 3538235 (1970-11-01), Arendt et al.
patent: 3711621 (1973-01-01), Jachimowicz
patent: 3733225 (1973-05-01), Moody
patent: 3803339 (1974-04-01), Speekman

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