Chemistry: electrical and wave energy – Processes and products – Electrostatic field or electrical discharge
Patent
1982-11-01
1984-12-11
Tung, T.
Chemistry: electrical and wave energy
Processes and products
Electrostatic field or electrical discharge
138 37, 204147, C23F 1300
Patent
active
044876726
ABSTRACT:
Large diameter pipes or culverts carrying water or other corrosion producing liquids are cathodically protected by securing, spaced-apart, segment-like elements along the bottom inner (invert) surface of the pipe to effect a partial damming of the liquid therein, causing such surface to remain wet during periods in which the input of liquid is substantially decreased or halted. The achievement of such a continuously wet invert surface provides continuous electrolyte conduction, resulting in both (a) enhanced corrosion protection and (b) greater efficiency in use of the protective anodes.
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Greif Arthur J.
Tung T.
United States Steel Corporation
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