Spray coating chamber free from painting mist leakage

摘要

A spray coating equipment or chamber system consists of a single paint spray chamber at the axial central part of the equipment, a plurality of intermediate air curtain compartments at the axial outer sides and a pair of outermost air curtain compartments, one at each axial end of the spray coating chamber. Discharge ducts in each air-curtain compartment are disposed toward each other and normal to the axis line of the painting equipment and each duct is positioned being spaced apart from both side walls and rear wall defining the compartment at a distance 0.7 times the radius of the duct thereby the flow of air not only in the compartment but also in the entire painting equipment is rendered smooth with minimum turbulent flow and thus the equipment can be rendered free from contamination of the air in vicinity and prevent the compartment from deposition of paint particles.