Plasma gun including external adjustable powder feed conduit and

Details Plasma gun including external adjustable powder feed conduit and Plasma gun including external adjustable powder feed conduit and

1974-04-17

1976-01-27

Goldberg, Elliot A.

Electric heating

Metal heating

By arc

219 76, B23K 500

Patent

active

039354180

ABSTRACT:
A plasma spray gun having an arc space within the gun housing for heating and ionizing an inert gas propelled therethrough includes an external, adjustable powder feed conduit so that the powder may be applied to the flame of the gun after it has left the gun nozzle. The plasma gun also utilizes a concave reflector attached to the gun to reflect the infrared radiation and direct it to a limited area on the substrate where most of radiant heat is absorbed.

REFERENCES:
patent: 2698812 (1955-01-01), Schladitz
patent: 2861166 (1958-11-01), Cangill, Jr.
patent: 3015013 (1961-12-01), Laszlo
patent: 3179783 (1965-04-01), Johnson
patent: 3179784 (1965-04-01), Johnson
patent: 3347698 (1967-10-01), Ingham, Jr.
patent: 3374531 (1968-03-01), Bruce
patent: 3573090 (1971-03-01), Peterson
patent: 3648015 (1972-03-01), Fairbairn
patent: 3830999 (1974-08-01), Yoshizumi et al.

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