Automatic color change electrostatic paint spray system

Details Automatic color change electrostatic paint spray system Automatic color change electrostatic paint spray system

1979-04-24

1980-11-04

Newsome, John H.

Coating processes

Electrical product produced

Integrated circuit, printed circuit, or circuit board

118624, 13762541, 239 3, 239305, 427421, B05B 502, B05D 104

Patent

active

042320550

ABSTRACT:
An improved method and apparatus is disclosed for sequentially electrostatic spraying different ones of a plurality of electrically conductive paints from a plurality of paint sources. Each paint source is connected through a separate electrically non-conductive first hose to a manifold and then through a single second hose to a spray gun. After spraying, at least the first hose which carries the sprayed paint is purged of paint and dried to electrically isolate the source of the first paint from the manifold when a second paint is sprayed.

REFERENCES:
patent: 3348774 (1967-10-01), Wiggins
patent: 3450092 (1969-06-01), Kock
patent: 3558051 (1971-01-01), Strickler et al.
patent: 3674207 (1972-07-01), Carbonetti et al.
patent: 3857513 (1974-12-01), Wiggins
patent: 3870233 (1975-03-01), Wilhelm et al.
patent: 3981320 (1976-09-01), Wiggins
patent: 4163523 (1979-08-01), Vincent

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