Patent ID: 6240873
Filing Date: 2001-06-05
Classification: B05B

Abstract:
Powder coating apparatus comprising:a housing having a coating area positioned generally between an inlet for receiving a workpiece and an outlet for allowing the workpiece to exit the coating area, the coating area having a workpiece travel path extending between the inlet and the outlet, the coating area further having an interior surface extending lengthwise along the direction of said workpiece travel path and extending transversely at least partially around said workpiece travel path,a pressurized air input device positioned adjacent said interior surface, said pressurized air input device including an outlet oriented in a direction generally perpendicular to said workpiece travel path to direct pressurized air along said interior surface such that the air follows the interior surface and flows in an annular swirling pattern around said workpiece travel path, anda powder introducer operatively connected with the coating area of the housing and operating to introduce powder into the annular swirling pattern of air to coat the workpiece.