H - Electricity – 01 – B
Patent
H - Electricity
01
B
H01B 7/02 (2006.01) H01B 7/18 (2006.01)
Patent
CA 2482652
Electric cable, in particular for power transmission at low voltage, comprising at least one conductor and an insulating coating surrounding said at least one conductor, said insulating coating comprising at least two insulating layers. In a radial direction from the inside towards the outside of said electrical cable, said insulating coating comprises at least one insulating layer made of a non-expanded polymeric material and at least one insulating layer made of an expanded polymeric material.
L'invention concerne un câble électrique conçu notamment à des fins de transmission électrique à basse tension, comprenant au moins un conducteur entouré d'un revêtement isolant, lequel revêtement isolant comprend au moins deux couches isolantes. Dans une direction radiale allant de l'intérieur vers l'extérieur dudit câble électrique, ledit revêtement isolant comprend au moins une couche isolante constituée d'un matériau polymère non expansé et au moins une couche isolante constituée d'un matériau polymère expansé.
Bareggi Alberto
Belli Sergio
Scelza Cristiana
Kirby Eades Gale Baker
Pirelli & C. S.p.a.
Prysmian Cavi E. Sistemi Energia S.r.l.
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