Electricity: conductors and insulators – Conduits – cables or conductors – Conductive armor or sheath
Patent
1978-05-31
1980-08-19
Grimley, Arthur T.
Electricity: conductors and insulators
Conduits, cables or conductors
Conductive armor or sheath
174 27, 174110P, 174113R, H01B 728, H01B 352, H01B 1102
Patent
active
042185807
ABSTRACT:
A paper pulp insulated cable of the kind having a plurality of conductors covered with paper pulp insulation. The insulated conductors are twisted into pairs, the pairs are stranded into units and the units are built up into cores, covered with, for example, a paper wrap, aluminum, steel sheath and a polyethylene jacket. The cable has a high density of conductors. Also a method of manufacturing such cables is described.
REFERENCES:
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patent: 2379756 (1945-07-01), Selvig
patent: 2687677 (1954-08-01), Krogel
patent: 3059046 (1962-10-01), Westervelt et al.
patent: 3662091 (1972-05-01), Jachimowicz et al.
patent: 3903352 (1975-09-01), Suter et al.
patent: 3917901 (1975-11-01), Jones
patent: 4125645 (1978-11-01), Jukes et al.
Gouldson Eric J.
Pound Thomas C.
Grimley Arthur T.
Jelly Sidney T.
Northern Telecom Limited
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