Spray booth for powder coating

Details Spray booth for powder coating Spray booth for powder coating

1995-12-29

1997-11-25

Beck, Shrive

Coating processes

Solid particles or fibers applied

427345, 427421, 427478, 118309, 118312, 118326, B05D 102, B05D 112, B05B 1512, B05C 1906

Patent

active

056909950

ABSTRACT:
A spray booth for use in the spray coating of articles with coating powder. The spray booth forms a coating space which at a bottom is bounded by powder collection means. The powder collection means is divided into an inner collection means and a surrounding outer collection means for the separate collection of surplus powder and the separate removal of the entire surplus powder from the booth. The outer collection means collects surplus coating powder dropping off the inside surfaces of the booth walls. Since this powder may be contaminated with different color or different types of powder from previous spraying operations, it is discarded as waste. The inner collection means collects pure surplus powder which has not touched the booth wall surfaces. This pure surplus powder is recycled.

REFERENCES:
patent: 3814002 (1974-06-01), Rombach et al.
patent: 4354451 (1982-10-01), Vohringer et al.
patent: 4409009 (1983-10-01), Lissy
patent: 5346553 (1994-09-01), Pingel

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