Graphite electrode nipple

Details Graphite electrode nipple Graphite electrode nipple

1981-11-16

1985-01-22

Envall, Jr., Roy N.

Industrial electric heating furnaces

Arc furnace device

Electrode

373 92, H05B 714, H05B 708

Patent

active

044956240

ABSTRACT:
A graphite nipple projecting from one end of a graphite electrode portion of the type used in an electric furnace has a supporting face for receiving a non-graphite portion of a clamping device in shape-locking engagement for holding the electrode for use. It also has a conventional screw-thread surface for joining the nipple to another electrode portion for extending the electrode. The supporting face does not alter the conventional screw-thread surface arrangement for joining electrode portions so that specially-shaped and thus costly electrode-supporting nipples are not required in addition to the conventionally-shaped nipples for joining electrode portions, and a graphite screw-thread does not have to be unscrewed for the same, which unscrewing frequently broke the nipple or electrode portion.

REFERENCES:
patent: 3046319 (1962-07-01), Daley
patent: 3293347 (1966-12-01), Wooding
patent: 3526699 (1970-09-01), Usherwood
patent: 4287381 (1981-09-01), Montgomery

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