Electric heating – Metal heating – By arc
Patent
1992-07-23
1993-05-04
Paschall, Mark H.
Electric heating
Metal heating
By arc
21912157, 21912148, 219 75, 21912151, B23K 900
Patent
active
052084418
ABSTRACT:
In accordance with the present invention, a plasma arc torch contact starting system has a torch head having an electrically conductive plasma exit nozzle at one end and a pilot arc chamber within the torch head immediately adjacent the plasma exit nozzle. An electrode is mounted in the torch head for movement relative to the nozzle. An arc-drawing mechanism is operably connected to but substantially thermally isolated from the electrode and the torch head for biasing the electrode into contact with the nozzle and for displacing the electrode from the nozzle to draw a pilot arc in the pilot arc chamber.
REFERENCES:
patent: 2784294 (1957-03-01), Gravert
patent: 2806124 (1957-09-01), Gage
patent: 2923809 (1960-02-01), Clews et al.
patent: 3004189 (1961-10-01), Giannini
patent: 3082314 (1963-03-01), Arata et al.
patent: 3131288 (1964-04-01), Browning
patent: 3180967 (1965-04-01), Hill
patent: 3209193 (1965-09-01), Sheer et al.
patent: 3214623 (1965-10-01), Sheer
patent: 3272962 (1966-09-01), Mauskapf
patent: 3317704 (1967-05-01), Browning
patent: 3463957 (1969-08-01), Fuksiewicz
patent: 3534388 (1970-10-01), Ito et al.
patent: 3562486 (1971-02-01), Hatch
patent: 3567898 (1971-03-01), Fein
patent: 3597649 (1971-08-01), Bykhovsky et al.
patent: 3619549 (1971-11-01), Hogan et al.
patent: 3641308 (1972-02-01), Couch, Jr. et al.
patent: 3787247 (1974-01-01), Couch, Jr.
patent: 3813510 (1974-05-01), Hatch
patent: 3833787 (1974-09-01), Couch, Jr.
patent: 4024373 (1977-05-01), Bykhovsky et al.
patent: 4203022 (1980-05-01), Couch, Jr. et al.
patent: 4268740 (1981-05-01), Sanders
patent: 4324971 (1982-04-01), Frappier
patent: 4361748 (1982-11-01), Couch, Jr.
patent: 4395030 (1981-10-01), Hosoda et al.
patent: 4463245 (1984-07-01), McNeil
patent: 4521666 (1985-06-01), Severance, Jr. et al.
patent: 4558201 (1985-12-01), Hatch
patent: 4567346 (1986-01-01), Marhic
patent: 4581516 (1986-04-01), Hatch et al.
patent: 4701590 (1987-10-01), Hatch
patent: 4782210 (1988-11-01), Nelson et al.
patent: 4788408 (1988-11-01), Wlodarczyk et al.
patent: 4791268 (1988-12-01), Sanders et al.
patent: 4896016 (1990-01-01), Broberg et al.
Century Manufacturing Co.
Paschall Mark H.
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