Patent ID: 6322000
Filing Date: 2001-11-27
Classification: B05B

Abstract:
A miniaturized convergent spray gun for applying a coating to a substrate which coating includes an ingredient that cures over time and a computerized system for monitoring and controlling a flow of ingredients to said spray gun, said spray gun including a handle and trigger pivotally mounted on said handle for activating the flow of ingredients through said spray gun, said spray gun including a central passage, a discharge nozzle for discharging said ingredient from said central passage, a reservoir for storing a purging solution, a flow passage interconnecting said reservoir and said central passage, a normally closed valve for preventing the flow of said purging solution connected to said flow passage, a proximity switch attached to said handle and operatively connected to said trigger so that when said trigger is released, a signal is transmitted from the proximity switch to a control for imputing a signal to said computerized system for actuating a computer to stop the flow of ingredients to the spray gun and to produce an audio or visual signal to indicate that said spray gun is deactivated and said valve being manually operable to open said flow passage to flow the purging solution from said reservoir to said discharge nozzle.