Electrode joint thread form

Details Electrode joint thread form Electrode joint thread form

1986-06-17

1987-07-07

Envall, Jr., Roy N.

Industrial electric heating furnaces

Arc furnace device

Electrode

403296, 403DIG5, H05B 714

Patent

active

046792066

ABSTRACT:
The probability of thread damage during the joining of carbon or graphite electrodes having tapered threaded projections or sockets is reduced by an improved thread configuration wherein the thread crest angle is less than the taper angle of the threaded projection or socket. In the preferred embodiment the thread crest is essentially parallel to the electrode axis.

REFERENCES:
patent: 4349910 (1982-09-01), Belz
Manufactured Graphite Electrodes, NEMA Standards Pub. No. CG-1-1982, pp. 1-10.

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