Coating apparatus – With means to apply electrical and/or radiant energy to work... – Electrostatic and/or electromagnetic attraction or...
Patent
1984-05-09
1985-10-08
Bueker, Richard
Coating apparatus
With means to apply electrical and/or radiant energy to work...
Electrostatic and/or electromagnetic attraction or...
118309, 118326, 118DIG7, 981152, B01D 4604, B05B 1504
Patent
active
045453241
ABSTRACT:
A powder spray booth for use in the electrostatic coating of articles is disclosed. The spray booth is of a basically symmetrical configuration allowing the spray coating of articles passing therethrough on a conveyor from either side thereof. At each end of the spray booth and positioned at a lower elevation than the spray region is an exhaust blower which may be effectively coupled to a powder cart located therebetween and below the spray region for the automatic recovery of the overspray. The powder carts are portable and when in a cooperative position with respect to the spray booth, include self-cleaning filters and automatic recovery and recirculation of the overspray. A plurality of powder carts may be used to form a sort of magazine to provide very fast color change capability. The spray booth itself may also be mounted on rail-like members so as to readily movable between different positions in a conveyor line or different conveyor lines according to the needs at the particular time. Various other aspects of the invention are disclosed.
REFERENCES:
patent: 4277260 (1981-07-01), Browning
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