Chemistry: electrical and wave energy – Processes and products – Electrostatic field or electrical discharge
Patent
1983-10-26
1985-10-01
Tung, T.
Chemistry: electrical and wave energy
Processes and products
Electrostatic field or electrical discharge
204197, 204286, 204297R, C23F 1300
Patent
active
045444650
ABSTRACT:
This invention provides a detachable sacrificial anode unit comprising a rigid core, e.g. a tubular steel member, and a body of sacrificial anode material, e.g. metals and alloys including zinc, aluminum and magnesium, surrounding and supported by said rigid core, wherein the ends of said rigid core extend beyond the ends of the body of sacrificial anode material, and are adapted to be coupled to the end of another sacrificial anode unit to provide a rigid string.
This invention also provides a submergible ferrous metal structure useful in a salt water environment and having a system to provide galvanic protection to the ferrous metal which system comprises a vertically oriented, rigid string of such sacrificial anode units secured to each other by threaded couplings and electrically connected at the ends thereof to such structure in a manner to provide galvanic protection to said structure.
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Baran Robert J.
Sandford Dean
Tung T.
Union Oil Company of California
Wirzbicki Gregory F.
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