Chemistry: electrical and wave energy – Processes and products – Vacuum arc discharge coating
Patent
1980-04-03
1982-01-05
Edmundson, F.
Chemistry: electrical and wave energy
Processes and products
Vacuum arc discharge coating
204147, 248231, 307 95, C23F 1300, A47B 9606, B01D 1302
Patent
active
043092632
ABSTRACT:
A clamp apparatus is provided for use in securing cathodic protection, single anodes, double anodes, riser clamps and the like to the offshore drilling platforms and the like in a marine environment. The apparatus provides a U-shaped channel for fitting against the surface of, for example, the platform leg with a first section extending angularly out from the wall portion of the channel, and a second section extending out from the second wall of the channel. A chain bolt connector is inserted into a provided hole in the first plate section with the chain wrapped around the leg of the drilling platform and end chain links then inserted into a keyhole in the second plate extension and locked in by a movable plate. The nut bolt is then tightened to secure the apparatus against the leg of a platform. A set screw makes contact with the platform leg to complete the cathodic protection circuit. The clamp apparatus can support a single anode or a double anode or be utilized as a riser clamp on the leg of a drilling platform in order to prevent corrosion of the platform leg.
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Edmundson F.
Garvey, Jr. Charles C.
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