Electrostatic spray coating device for electrically conductive,

Details Electrostatic spray coating device for electrically conductive, Electrostatic spray coating device for electrically conductive,

1993-11-30

1996-01-30

Collins, Laura

Coating apparatus

With means to apply electrical and/or radiant energy to work...

Electrostatic and/or electromagnetic attraction or...

118 501, 118300, 239690, 239706, 239708, B05B 500

Patent

active

054877822

ABSTRACT:
An electrostatic spray coating device for electrically conductive, non-combustible coating fluid. The coating fluid is accommodated in a pressure container (2) of electrically insulating plastic and connected over a tube (10) of electrically insulating material with a spraying device (8). An electric conduction path (53) heads off high voltage from the coating fluid (6) which is present in the pressure container (2) when the high voltage is switched off. Thereby the electrical capacitance of the device is reduced and simultaneously it is ensured that after the switching-off of the high voltage the coating fluid present in the pressure container (2) in a few seconds is no longer electrically charged. Thereby, immediately after the switching-off of the high voltage, the pressure container (2) can be opened, for example for the replenishing of coating fluid.

REFERENCES:
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patent: 4932589 (1990-06-01), Diana
patent: 5100690 (1992-03-01), Planert et al.
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