B - Operations – Transporting – 05 – B
Patent
B - Operations, Transporting
05
B
32/70
B05B 15/12 (2006.01) F24F 3/16 (2006.01) F24F 7/10 (2006.01)
Patent
CA 1197091
ABSTRACT Spraybooth A spraybooth for use, for example, in spray painting motor vehicles has an air supply duct 11 which extends centrally along the length of the top 5 of the booth and has an air supply opening 12 fitted with a cloth filter 16 in its underside. The opening 12 extends from near one end 1 of the booth right up to the other end 2 and is supplied with air by a fan 9 from the one end of the booth. A single air outlet opening 17 is provided at the middle of the bottom of the one end 1 of the booth and is connected to an air extraction fan 21. The velocity head of the air flow from the air supply fan 10 decreases along the length of the air supply opening 12 from the one end 1 to the other 2 and accordingly the pressure head increases so that the downward air flow from the filter cloth 16 per unit length of the air supply opening decreases from the one end 1 to the other end of the booth 2. This arrangement achieves an extremely efficient downward air flow pattern in the booth with little or no turbulence so that, after sraying, droplets of paint with which the air in the booth is contaminated after spraying are not precipitated on the surface which has been sprayed.
417003
Borden Ladner Gervais Llp
Spraybake Limited
LandOfFree
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