Spraying device with an insulated storage tank for electrically

Details Spraying device with an insulated storage tank for electrically Spraying device with an insulated storage tank for electrically

1993-08-03

1994-05-10

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Electrostatic type

Pressurized spray material

239690, 239322, 118629, 222389, B05B 516

Patent

active

053101200

ABSTRACT:
An electrostatic device for spraying electrically conductive liquid coating product comprises a storage tank for the product in which the product is at a high voltage. The tank is defined in a substantially cylindrical cavity formed in an insulative material body and inside in which is a piston forming in the cavity a mobile wall separating a coating product chamber from an actuation chamber filled with an electrically insulative actuation fluid. The body is fixed to a conductive material socket which is grounded and to which is connected an actuation fluid supply circuit extending between the socket and the actuation chamber and discharging into the actuation chamber near a back wall of the cavity which is not in contact with the coating product. A section of the supply circuit runs substantially parallel to the cavity in the direction away from the socket starting from the back wall.

REFERENCES:
patent: 4771729 (1988-09-01), Planert et al.
patent: 4779804 (1988-10-01), Baba et al.
patent: 4785760 (1988-11-01), Tholome
patent: 4798341 (1989-01-01), Gimple
patent: 4879137 (1989-11-01), Behr et al.
patent: 4921169 (1990-05-01), Tilly
patent: 5083711 (1992-01-01), Giroux et al.
patent: 5199650 (1993-04-01), Ishibashi et al.
patent: 5249748 (1993-10-01), Lacchia et al.
patent: 5255856 (1993-10-01), Ishibashi et al.

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