Tubular electrode for plasma torch and plasma torch provided wit

Details Tubular electrode for plasma torch and plasma torch provided wit Tubular electrode for plasma torch and plasma torch provided wit

1988-04-29

1990-01-02

Paschall, M. H.

Electric heating

Metal heating

By arc

219 75, 21912148, 2191215, B23K 900

Patent

active

048914908

ABSTRACT:
This invention relates to a plasma torch and a first and second electrode for use in a plasma torch. Each electrode includes a tubular intermediate part which is intended to come into contact with the arc feet and a pair of end parts which are intended to facilitate connection of the electrode to the other parts of the torch. Each electrode is disposed within an enclosed fluid circulation chamber within which a cooling fluid circulates. The intermediate and end parts of each electrode are at least ten millimeters thick. The individual parts of each electrode are connected together by a moisture-impervious, disassemblable, mechanical assembly which prevents the cooling fluid from coming in contact with the interior of the electrodes.

REFERENCES:
patent: 3818174 (1974-06-01), Camacho
patent: 4426597 (1984-01-01), Denoyer et al.
patent: 4455470 (1984-06-01), Klein et al.
patent: 4549065 (1985-10-01), Camacho et al.
patent: 4559439 (1985-12-01), Camacho et al.
patent: 4587397 (1986-05-01), Camacho et al.
patent: 4656330 (1987-04-01), Poole
patent: 4678888 (1987-07-01), Camacho et al.

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