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US 10,134,505 B2Granted
Silicone multilayer insulation for electric cable
AssigneeNexans
InventorsMarkus Gasser, Franz Haner, Luc Romann
Life of this patent
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Abstract
A cable has at least one elongated electric conductor and a multilayer insulation surrounding the electric conductor. The multilayer insulation has a first semiconducting layer and an electrically insulating layer. The two layers are made from a silicone rubber based composition. A method for making this cable includes co-extruding the first semiconducting layer and the electrically insulating layer.
Claims10
Process for manufacturing an electric cable,
- the electric cable has at least one elongated electric conductor;
- and
- a multilayer insulation surrounding said electric conductor,
- wherein said multilayer insulation having a first semiconducting layer and an electrically insulating layer, said two layers being made from a silicone rubber based composition,
- said method comprising the step of;
- co-extruding the first semiconducting layer and the electrically insulating layer, wherein the composition used to obtain the first semi-conducting layer further comprises carbon rovings as conductive filler.
3 more elements
Process for manufacturing an electric cable, the electric cable has at least one elongated electric conductor;
- and a multilayer insulation surrounding said electric conductor, wherein said multilayer insulation having a first semiconducting layer and an electrically insulating layer, said two layers being made from a silicone rubber based composition, said method comprising the step of;
- co-extruding the first semiconducting layer and the electrically insulating layer, so that the presence of gas and/or the presence of space between the extruded layers are substantially removed,
- wherein the composition used to obtain the first semi-conducting layer further comprises carbon rovings as conductive filler.
Dependencies are inferred from the claim text.