Cutting electrode for underwater and land use

Details Cutting electrode for underwater and land use Cutting electrode for underwater and land use

1990-01-16

1991-08-27

Evans, Geoffrey S.

Electric heating

Metal heating

Cutting or disintegrating

219 72, 266 48, B23K 3506

Patent

active

050435523

ABSTRACT:
The present invention relates to an exothermic cutting electrode. The electrode includes an outer hollow conductor, an inner conductor disposed inside the and outer hollow conductor. The inner conductor is configured so as to form the boundaries of two chambers and configured to form a third chamber between the outer hollow conductor and an inner conductor. The three chambers are of substantially equal cross-sectional size whereby even gas flow is proudced and even consumption of the electrode is provided.

REFERENCES:
patent: 4114863 (1978-09-01), Campana
patent: 4393297 (1983-07-01), Niinivaara
patent: 4541616 (1985-09-01), Dean
patent: 4660807 (1987-04-01), Campana
patent: 4697791 (1987-10-01), Henderson et al.
patent: 4743731 (1988-05-01), Seuring et al.
patent: 4973809 (1990-11-01), Jenkins

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