Electricity: conductors and insulators – Conduits – cables or conductors – Conductive armor or sheath
Patent
1980-09-18
1982-02-23
Kucia, Richard R.
Electricity: conductors and insulators
Conduits, cables or conductors
Conductive armor or sheath
174110PM, 174120SC, H01B 318
Patent
active
043170013
ABSTRACT:
Insulation for an electric power cable, and a power cable including such insulation, the insulation having an improved dielectric strength and being irradiation cross-linked polymeric material having mixed therewith carbon black having a particle size in the range from about 200 to about 500 millimicrons, the carbon black content being about 10% to about 40% of the weight of the mixture of carbon black and the polymeric material. Also, the cable insulation may be layers of different density polyethylene, at least one of the layers being the described mixture of polyethylene and carbon black.
REFERENCES:
patent: 3096210 (1963-07-01), Boonstra
patent: 3133894 (1964-05-01), Boonstra
patent: 3325325 (1967-06-01), Ward
patent: 3529340 (1970-09-01), Polizzano
patent: 3793476 (1974-02-01), Misiura
patent: 3925597 (1975-12-01), Misiura
patent: 3991397 (1976-11-01), King
patent: 4150193 (1979-04-01), Burns
Lukac Rudolf G.
Rubinstein Solomon
Silver David A.
Kucia Richard R.
Pirelli Cable Corp.
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