Sub-marine telephone cable

Details Sub-marine telephone cable Sub-marine telephone cable

1978-08-04

1982-09-14

Kucia, Richard R.

Electricity: conductors and insulators

Conduits, cables or conductors

Conductor structure

57214, 57230, 174130, H01B 510

Patent

active

043496946

ABSTRACT:
The coaxial sub-marine telephone cable employs a central conductor which is formed by a compound twisted core of high tensile steel wires and of aluminum-based wires which are encased in a longitudinally welded copper tube that is applied tightly around the twisted core. The aluminum-based wire has high tensile strength, high breaking elongation and good electrical conductivity. The crushing of the aluminum based wires by the steel wires under the effect of radial pressures exerting on the core through sizing dyes while being manufactured is minimized and avoided by arranging the steel wires in contact with each other under radial compression so that they interact as an arch or vault.

REFERENCES:
patent: 1373632 (1921-04-01), Phelps
patent: 2098163 (1937-11-01), Reed
patent: 2212700 (1940-08-01), Peterson
patent: 3328874 (1967-07-01), Davis
patent: 3339012 (1967-08-01), Hutchins
patent: 3647939 (1972-03-01), Schoerner

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