Electricity: conductors and insulators – Conduits – cables or conductors – Conductive armor or sheath
Patent
1982-10-08
1984-03-27
Tolin, G. P.
Electricity: conductors and insulators
Conduits, cables or conductors
Conductive armor or sheath
156 53, 156 56, 174102A, 174109, H01B 722
Patent
active
044396333
ABSTRACT:
An armored cable and a method of manufacturing an armored cable, said cable having a helically wrapped zinc-plated steel armor. The steel armor band has zinc protective layer on its two sides, and uncoated edges, to reduce manufacturing costs and improve cathodic protection. The zinc protective layer thereby comprises a first layer portion consisting of a zinc-iron alloy and a second layer portion, on top of said first layer portion consisting of essentially pure unalloyed zinc and having a thickness of at least 90% of the total layer thickness.
REFERENCES:
patent: 312673 (1885-02-01), Thompson
patent: 451605 (1891-05-01), Andrews
patent: 2041842 (1936-05-01), Layton
patent: 3153696 (1964-10-01), Blanchard
N.K.F. Groep B.V.
Nimmo Morris H.
Tolin G. P.
Treacy David R.
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