Process and machine for electrostatic coating

Details Process and machine for electrostatic coating Process and machine for electrostatic coating

1988-04-21

1989-12-19

Lawrence, Evan

Coating processes

Electrical product produced

Integrated circuit, printed circuit, or circuit board

427 27, 427 33, 118 70, 118630, 198499, B05D 104, B05B 504

Patent

active

048882003

ABSTRACT:
A process and apparatus for an electrostatic spray coating operation wherein liquid overspray in the spray coating operation is collected and drained onto a workpiece support. The overspray is then removed from the workpiece support by a squeegee blade wherein the collected overspray is drained into a sump. From the sump, the spray, and optionally with makeup liquid, is recycled to the spray head.

REFERENCES:
patent: 3739745 (1973-06-01), Turpin
"Production: An Editor's Eye View"-Circuits Manufacturing Feb., 1986, p. 80.

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