Electric cable resistant to water penetration

Details Electric cable resistant to water penetration Electric cable resistant to water penetration

2006-08-08

2006-08-08

Mayo, III, William H. (Department: 2831)

Electricity: conductors and insulators

Conduits, cables or conductors

Insulated

C174S1130AS, C174S12000C

Reexamination Certificate

active

07087842

ABSTRACT:
Electric cable (20), in particular for power transmission or distribution at medium or high voltage, comprising a metallic screen (5) and a water swellable layer (21) capable of forming a barrier to the water penetration provided in a position radially external to said metallic screen (5). Said water swellable layer (21) is made of an expanded polymeric material in which a water swellable material preferably in the form of powder, is embedded.

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