Coating apparatus – Projection or spray type – Applying solid particulate material
Patent
1990-12-17
1992-04-14
Chiesa, Richard L.
Coating apparatus
Projection or spray type
Applying solid particulate material
55299, 55356, 55486, 55DIG46, 118326, 118603, 118DIG7, 454 53, B05C 502
Patent
active
051037602
ABSTRACT:
A liquid to powder spray booth conversion insert compartment is provided that can be rolled up to a conventional wet paint spray booth to convert it to dry powder usage. A pleated fiber filter having a pore size of 20 microns inclined above powder collection trays is provided to allow collection and reuse of the powdered materials. A prefilter of progressive weave filter material is provided at the input side of the compartment to remove large size matter while allowing the sprayed powder particles to pass therethrough.
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