Coating apparatus – With cleaning or reconditioning work support or conveyer
Patent
1991-07-02
1992-12-15
Jones, W. Gary
Coating apparatus
With cleaning or reconditioning work support or conveyer
118309, 118326, 55DIG46, 55354, 210400, B05B 1512, B05C 1500
Patent
active
051713683
ABSTRACT:
A filter belt assembly located at the bottom of the inner cavity of a spray booth. The filter assembly has a plurality of first sprockets each spaced apart a predetermined distance along a horizontal axis and a plurality of second sprockets each spaced apart a predetermined distance along a horizontal axis. The second sprockets are spaced a predetermined distance from the first sprockets along a vertical axis, wherein each second sprocket is interposed between two adjacent first sprockets such that the sprockets guide a filter belt through the bottom of the inner cavity in a serpentine fashion. The filter assembly has a drive means to move the filter belt and a vacuum unit to remove excess paint powder that is disposed on the belt, as the belt moves from the booth to the vacuum. The filter belt may also have an air blower located under the filter belt where the belt vacuum is located. The air blower helps to dislodge and loosen the excess powder on the filter belt to facilitate removal, and increase the recovery efficiency of the vacuum.
REFERENCES:
patent: 2319353 (1943-05-01), Schwartz et al.
patent: 3918641 (1975-11-01), Lehmann et al.
patent: 4009681 (1977-03-01), Heckman et al.
patent: 4153008 (1979-05-01), Marino
patent: 4257345 (1980-03-01), Brice
patent: 4277260 (1981-07-01), Browning
patent: 4378728 (1983-04-01), Berkmann
patent: 4394146 (1983-07-01), Klein
patent: 4405342 (1983-09-01), Bergman
Friedman Charles K.
Jones W. Gary
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