Electrode drive and nozzle system for automatic air-carbon arc c

Details Electrode drive and nozzle system for automatic air-carbon arc c Electrode drive and nozzle system for automatic air-carbon arc c

1979-03-30

1981-04-07

Kozma, Thomas J.

Electric heating

Metal heating

Cutting or disintegrating

219 69R, 226187, B23K 912, B65H 1722

Patent

active

042608678

ABSTRACT:
An automatic air-carbon arc cutting and gouging torch having a drive for the elongated electrode consisting of opposed wheels biased toward the electrode for frictional contact to drive the electrode by driving one of the wheels. Each wheel can be adjusted about a pivot point to compensate for curvature of the electrode, changes in diameter, or mis-aligned joints in successive electrodes. The torch includes an improved nozzle to conduct both current and process air to the electrode thus lowering the operating temperature of the torch.

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patent: 2989617 (1961-06-01), Stepath
patent: 3016451 (1962-01-01), Cornell, Jr.
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patent: 3659071 (1972-04-01), Henderson
patent: 3730136 (1973-05-01), Okada
patent: 4045642 (1977-08-01), Driscoll

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