Coating apparatus and method with fluidized bed feed effect

Details Coating apparatus and method with fluidized bed feed effect Coating apparatus and method with fluidized bed feed effect

1991-08-20

1993-09-07

Pianalto, Bernard

Coating processes

Direct application of electrical, magnetic, wave, or...

Electrostatic charge, field, or force utilized

118309, 118312, 118622, 118630, 118DIG5, 427182, 427185, 427476, B05D 104

Patent

active

052427188

ABSTRACT:
An apparatus and method for coating surfaces of workpieces employs an electrostatic fluidized bed unit for producing a cloud of charged particles, for deposition upon the workpiece, and a second fluidized bed for agitating the particulate material and for facilitating feeding thereof to the electrostatic coating bed, the second bed being disposed beneath the first bed, and being in powder flow communication with it.

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patent: 4101687 (1978-07-01), Knudsen
patent: 4123175 (1978-10-01), Carlson et al.

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