Patent ID: 6874708

Claim:
A coating material dispensing device including a first component providing a connection to a source of coating material to be dispensed, a filter for filtering coating material to be dispensed, the first component including a housing for housing the filter, a closure for selectively closing the housing to permit removal and replacement of the filter, the coating material dispensing device further including a second component providing a nozzle through which the coating material is dispensed, the first and second components including first and second passageways, respectively, the first and second passageways communicating when the first and second components are assembled together to provide a flow of filtered coating material from the filter to the nozzle, the second component including a mechanism for operating a first valve between the first passageway and the nozzle, the first valve controlling the flow of coating material from the nozzle, the dispensing device including a port for the introduction of a stream of compressed gas or mixture of gases into the stream of coating material dispensed from the nozzle, a third passageway for supplying the stream of compressed gas or mixture of gases to the nozzle, and a second valve for controlling the supply of compressed gas or mixture of gases from the port to the nozzle, the second valve coupled to the mechanism for operating the first valve to be controlled thereby.