Electricity: conductors and insulators – Conduits – cables or conductors – Combined
Patent
1979-05-07
1980-12-09
Kozma, Thomas J.
Electricity: conductors and insulators
Conduits, cables or conductors
Combined
174 88C, H02G 15184
Patent
active
042386390
ABSTRACT:
A cable joint for joining the ends of two electric cables operating at voltages up to 60 kilovolts in which the bared conductor ends are conductively joined by a ferrule and the bared insulation of the two cables is at least partly covered by a pair of tight fitting elastomeric sleeves. The sleeves and the joined conductor ends are surrounded by a monolithic sleeve of dielectric material which tightly engages the elastomeric sleeves and which has a conductive, cylindrical electrode at its inner surface which surrounds at least the joined, bare conductors. Conductive rings on the conductors interconnect the conductors with the electrode. The monolithic sleeve is surrounded by a layer of semi-conductive material which interconnects the semi-conductive screens of the cables, and the semi-conductive layer may be surrounded by further layers for conductively interconnecting metal sheaths of the cables and for providing mechanical protection for the joint.
REFERENCES:
patent: 2967899 (1961-01-01), Priaroggia
patent: 3127291 (1964-03-01), Betz et al.
patent: 3485935 (1969-12-01), Kreuger
patent: 3622682 (1971-11-01), Buroni
patent: 3691291 (1972-09-01), Taj
patent: 3932933 (1976-01-01), Broad
patent: 3992567 (1976-11-01), Mazia
patent: 4006288 (1977-02-01), Stevens
patent: 4054743 (1977-10-01), Mayer et al.
patent: 4159860 (1979-07-01), Broad
Borchelt E. Frederick
Industrie Pirelli Societa per Azioni
Kozma Thomas J.
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