Coating processes – Electrical product produced – Integrated circuit – printed circuit – or circuit board
Patent
1988-09-09
1990-01-09
Lawrence, Evan
Coating processes
Electrical product produced
Integrated circuit, printed circuit, or circuit board
427 33, B05D 104
Patent
active
048927503
ABSTRACT:
An electrostatic spray coating method where an electrical field is generated between a spray gun and an object for electrostatically attracting the paint to the object for coating the same. A positive or negative voltage is preliminarily applied to the object through a clamping device disposed on a floor face of a spray booth with the spraying system for spraying the paint from the spray gun being electrically grounded while the object is maintained electrically insulated by suspending it from a hanger rod with an insulator of a hanger conveyor type installed in the spray booth.
REFERENCES:
patent: 3937180 (1976-02-01), Wiggins
Hamu Tatsuro
Soshi Fujio
Lawrence Evan
Taikisha Ltd.
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