Powder recovery system

Details Powder recovery system Powder recovery system

1988-03-25

1989-08-01

Beck, Shrive

Coating apparatus

Projection or spray type

With hood or offtake for waste material

118DIG7, B05B 1512

Patent

active

048525138

ABSTRACT:
An apparatus for recovering a grannular material which is dispensed onto articles to be coated by the grannular material in an enclosure but not all of which grannular material adheres to the articles. The apparatus includes a belt of a material which is essentially impermeable to the grannular material, and a pair of rolls about which the belt is trained. The rolls extend generally horizontally and generally parallel to each other. The belt has a vertically upper, generally horizontal run and a vertically lower, generally horizontal run. The vertically upper run of the belt is exposed to the interior of the enclosure. The non-adherent material is deposited onto the upper run. A hopper for recovering the non-adherent material deposited on the upper run is provided adjacent and vertically below the rolls. A prime mover is coupled to the rolls to cause non-adherent grannular material to be conveyed to the hopper.

REFERENCES:
patent: 3870016 (1975-03-01), Schneider
patent: 3902455 (1975-09-01), Lehmann et al.
patent: 3918641 (1975-11-01), Lehmann et al.
patent: 4094654 (1978-06-01), Prinzing

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