Nozzle for electrostatic spray gun

Details Nozzle for electrostatic spray gun Nozzle for electrostatic spray gun

1974-04-17

1976-02-17

Ward, Jr., Robert S.

Fluid sprinkling, spraying, and diffusing

Weather control

118626, B05B 502

Patent

active

039387399

ABSTRACT:
An electrostatic spray gun for liquid paint has its nozzle formed in a sintered material that consists of an electrically non-conductive matrix, e.g. polytetrafluoroethylene, with conductive particles, e.g. bronze powder, dispersed in the matrix. The rear end of the nozzle is connected to high voltage, and the annular front surface around the paint discharge orifice in the nozzle is machined so that it shows a lot of such bronze particles that form point electrodes for producing air ions. The paint is dispersed by air jets and the air ions attach to the paint particles.

REFERENCES:
patent: 3072341 (1963-01-01), Point et al.
patent: 3128045 (1964-04-01), Gauthier
patent: 3169883 (1965-02-01), Juvinall
patent: 3268171 (1966-08-01), Walberg
patent: 3290169 (1966-12-01), Sedlacsik
patent: 3292860 (1966-12-01), Williams et al.
patent: 3317138 (1967-05-01), Fraser
patent: 3348186 (1967-10-01), Rosen
patent: 3635401 (1972-01-01), Bromley et al.
patent: 3700168 (1972-10-01), Ferrant
patent: 3826425 (1974-07-01), Scharfenberger et al.

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