Electricity: conductors and insulators – Conduits – cables or conductors – Conductive armor or sheath
Patent
1977-08-10
1978-12-26
Goldberg, Elliot A.
Electricity: conductors and insulators
Conduits, cables or conductors
Conductive armor or sheath
174108, 174128R, 174131A, 138130, 57216, 156 56, H01B 1722
Patent
active
041317599
ABSTRACT:
A multiple caged armored electromechanical cable is provided which is characterized in being torque balanced and strength tapered throughout its entire length. The selective strength tapering of the cable permits the orientation of the cable such that the strongest portion thereof will support the entire cable and the weakest portion thereof will support only itself and whatever instrumentation is desirable. A slip sleeve mechanism is provided for retaining portions of the strength tapered elements of the cable to prevent inadvertant electrical shorting as well as providing for a relative slippage of the tapered strength elements with respect to select other elements of the cable.
REFERENCES:
patent: 475384 (1892-05-01), Cockburn
patent: 1786936 (1930-12-01), Craig
patent: 1919509 (1933-07-01), Grobl
patent: 2463590 (1949-05-01), Arutunoff
patent: 2604509 (1952-07-01), Blanchard
patent: 3367102 (1968-02-01), Meger
Bouchard John H.
Danchuk William A.
Goldberg Elliot A.
United States Steel Corporation
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