Cathodic protection anode, connector, and method of making

Details Cathodic protection anode, connector, and method of making Cathodic protection anode, connector, and method of making

1991-04-24

1992-02-25

Paumen, Gary F.

Electrical connectors

Metallic connector or contact having movable or resilient...

Screw-thread operated securing part

24136B, 403374, 439938, H01R 442

Patent

active

050909240

ABSTRACT:
A tubular anode includes an electrical connector formed of a diagonally split two-part generally cylindrical slug. The diagonal slit provides an elliptical wedge interface between the two parts and a jack screw is threaded in one part and extends through an enlarged hole in the other. Tightening the jack screw within the tube causes the two parts to offset and wedge against the inside of the tube. The two parts include an aligned slot which intersects the major axis of the elliptical interface and a lead wire or cable is electrically secured to one of the parts within its slot. The slot is configured to press the lead or cable against the interior of the tube. The lead wire for a string anode extends through the slot of the other part. In the formation of an anode string the tubular anodes are threaded onto unspooled insulated wire or cable, a short portion of the insulation is removed at each connector location, and with the tubular anode offset, a connector is secured to the bare wire. The tube is threaded over the connector and the connector locked in place. The connector may be encapsulated by filling the interior with a potting compound or sealant. The connector and process is particularly useful with relatively small diameter titanium, niobium or tantalum tubular anodes.

REFERENCES:
patent: 2086090 (1937-07-01), Ohlson
patent: 2547176 (1951-04-01), Salmons
patent: 2859425 (1958-11-01), Felton
patent: 4125919 (1978-11-01), Dumont
patent: 4511204 (1985-04-01), Glenn
patent: 4515669 (1985-05-01), Dimond et al.

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