Electricity: conductors and insulators – With fluids or vacuum – With fluid stops
Patent
1987-04-13
1988-12-13
Nimmo, Morris H.
Electricity: conductors and insulators
With fluids or vacuum
With fluid stops
174 23R, 252570, 523173, H01B 902
Patent
active
047912405
ABSTRACT:
A filler compound for the spaces between the wires of a stranded conductor surrounded by and contacting a semiconductive layer which is surrounded by a layer of extrudced insulation, a method for filling such spaces with the compounds and an electric cable including such compound. The compound has a polymeric base, a Mooney viscosity at 100.degree. C. between 10 and 60 and a Shore A hardness between 10 and 90. Preferably, the compound includes hygroexpansible, water insoluble organic powder having particle sizes less than 200 microns and specified other characteristics.
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Marin Carlo
Pozzati Giovanni
Nimmo Morris H.
Societa Cavi Pirelli S.p.A.
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