Transferred type plasma torch

Details Transferred type plasma torch Transferred type plasma torch

1979-06-15

1981-02-10

Tolin, Gerald P.

Electric heating

Metal heating

By arc

219 75, 219 74, 3132314, B23K 916

Patent

active

042503736

ABSTRACT:
A transferred type plasma torch comprises a body containing and rigidly interconnecting; a bushing having an internal constricted surface, a collet attachment mounted in the bushing, an electrode mounted in the collet attachment, a nozzle tip disposed coaxially of the electrode at the tip, and a centrally bored end cap screwed in the end of the bushing and having an internal countersunk surface. The collet attachment is composed of a cylindrical collet having a spherical flanged portion and a collet chuck having a spherical flanged end portion and mounted in the collet, the spherical flanged portion of the collet being received in the internal constricted surface of the bushing, the spherical flanged end portion of the collet chuck being received in the internal countersunk surface of the end cap. The spherical flanged portion of the collet and the spherical flanged end portion of the collet chuck are so designed that they have the same center of curvature.

REFERENCES:
patent: 3471676 (1969-10-01), Liebe et al.
patent: 3557337 (1971-01-01), Sipos
patent: 3632951 (1972-01-01), Klasson
patent: 3940586 (1976-02-01), Stearns et al.
patent: 4140892 (1979-02-01), Muller
patent: 4142086 (1979-02-01), Rotilio

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