Patent ID: 6739966
Filing Date: 2004-05-25
Classification: B05B

Abstract:
A method for spraying an object, the method comprising:providing a spray booth comprising a housing having a ceiling and a set of walls that each have a bottom end and a top end, wherein the walls and the ceiling define an interior, an air intake in the ceiling and an exhaust outlet near the bottom end of one of the walls; passing air into the interior through the intake such that an airflow gradient is produced within the interior, with the flow rate decreasing in a direction toward the outlet and with the air passing through the interior in a generally downward direction; exhausting air from the interior through the exhaust outlet; and spraying an object that is disposed within the interior while the air is flowing through the interior; wherein the intake comprises a plenum and a set of flow plates having different densities of openings, and further comprising passing the air into the plenum to produce the airflow gradient within the interior.