Extension of cable life

Details Extension of cable life Extension of cable life

1981-03-03

1983-02-08

Lusignan, Michael R.

Coating processes

Electrical product produced

Welding electrode

427117, 427120, 427316, 174 25R, 174 25C, 156 48, B05D 500

Patent

active

043729886

ABSTRACT:
A method and apparatus for retarding electrochemical tree-type decomposition of polyolefin electrical insulation by saturating the insulation with a liquid having high resistivity and a low dielectric constant. The insulation of cables which have already been in service is dried prior to being saturated with the liquid. One embodiment of the invention provides a continuing supply of liquid to the cable after it has been buried underground.

REFERENCES:
patent: 3252834 (1966-05-01), Vincent
patent: 3634560 (1972-01-01), Anderson
patent: 3711309 (1973-01-01), Packo
patent: 4042776 (1977-08-01), Matsuba et al.
patent: 4237172 (1980-12-01), Packo et al.

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