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An improvement for a production line, downdraft type paint spray booth having a conveyor for carrying the parts to be painted, having a recessed portion for containing the conveyor and dual slots, on one or either side of the conveyor for air flow is disclosed.The improvement provides the advantage

An improvement for a production line, downdraft type paint spray booth having a conveyor for carrying the parts to be painted, having a recessed portion for containing the conveyor and dual slots, on one or either side of the conveyor for air flow is disclosed.The improvement provides the advantage of improved air flow around the parts being painted and around the conveyor to keep it clean. Additionally, the provision of the dual slots permits the conveyor to be at least partially recessed into the booths floor to provide a lower profile and a more compact arrangement.

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In a downdraft paint spray booth for cleaning paint laden air created during spray painting of an article, the booth having a spray painting chamber and means for moving paint laden air into and from said spray painting chamber, the improvement comprising a water washed subfloor below said spray pai

In a downdraft paint spray booth for cleaning paint laden air created during spray painting of an article, the booth having a spray painting chamber and means for moving paint laden air into and from said spray painting chamber, the improvement comprising a water washed subfloor below said spray painting chamber and extending from each side of said booth, a supply for supplying water to said subfloor, a conveyor for moving said article through said booth, said conveyor being at least partially recessed below said spray painting chamber and into said subfloor, dual slot openings in between the sides of said subfloor and said conveyor, a first washing means at said dual slot openings for said subfloor, whereby the paint laden air can flow around the article and the conveyor and into said dual slots to provide improved air flow around the article being painted, reduced overspray accumulation on the conveyor, and a more compact booth arrangement.