Fluid sprinkling – spraying – and diffusing – Electrostatic type – Pressurized spray material
Patent
1995-04-27
1996-07-23
Weldon, Kevin P.
Fluid sprinkling, spraying, and diffusing
Electrostatic type
Pressurized spray material
239331, 239375, B05B 502, B05B 1102
Patent
active
055381901
ABSTRACT:
An electrostatic spray gun including a housing for receiving a replaceable fluid container, a nozzle from which fluid is to be sprayed, apparatus for expelling the fluid from the container and a high voltage generator for applying electrostatic potential to the fluid to form an electrically charged atomized spray at the nozzle. The replaceable fluid container is externally insulating and the electrical path from the generator passes through the fluid entering it at a point remote from the nozzle. A piston is employed to expel the fluid from the nozzle during spraying. The electrostatic spray gun has the advantage that it does not employ propellants and the paint need not be stored in a flexible plastic container thereby preventing loss of solvent during storage.
REFERENCES:
patent: 5121884 (1992-06-01), Noakes et al.
patent: 5221050 (1993-06-01), Jeffries et al.
patent: 5320291 (1994-06-01), Glover et al.
patent: 5370273 (1994-12-01), Rohloff
patent: 5411211 (1995-05-01), Greene et al.
Green Michael L.
Greene Robert H.
Jones Jonathan
Noakes Timothy J.
Outhwaite Alan C.
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