Triboelectric powder spraying gun

Details Triboelectric powder spraying gun Triboelectric powder spraying gun

1981-02-12

1982-11-16

Beck, Shrive P.

Fluid sprinkling, spraying, and diffusing

Electrostatic type

With electrogasdynamic generator in spray device

239488, 427 27, 118621, 118627, B05D 104, B05C 504

Patent

active

043591922

ABSTRACT:
A triboelectric powder spraying gun is provided which can produce an increased deposition efficiency and an improved coated surface. The spraying gun comprises an earthed or high voltage-impressed conductive nozzle having, as a lining, a plastic material which possesses an electrification series remarkably different from that of a powdered paint, in which said powdered paint is transferred to said nozzle so that it is triboelectrically charged within said nozzle, and a turbulence generator arranged inside of said nozzle. The surface of said turbulence generator is coated with a plastic material possessing an electrification series remarkably different from that of said powdered paint.

REFERENCES:
patent: 2435605 (1948-02-01), Rowell
patent: 3237865 (1966-03-01), Kovach
patent: 3248606 (1966-04-01), Fraser
patent: 3296015 (1967-01-01), Juvinall et al.
patent: 3344558 (1967-10-01), Kirkland
patent: 3498540 (1970-03-01), Adams
patent: 3521815 (1970-07-01), Szasz
patent: 3698636 (1972-10-01), Szasz
patent: 3903321 (1975-09-01), Schaad
patent: 4072129 (1978-02-01), Bright et al.
patent: 4090666 (1978-05-01), Peck
patent: 4133485 (1979-01-01), Bouvin

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