Spray coating system

Claim 1

A SYSTEM FOR PAINTING ARTICLES, AND COMPRISING AN ATOMIZING DEVICE FOR ATOMIZING PAINT SUPPLIED THERETO, MEANS TO PROVIDE A SUPPLY OF PAINT, A FLOW CONNECTION BETWEEN THE PAINT SUPPLY MEANS AND SAID ATOMIZING DEVICE, AN ADJUSTABLE OPEN ORIFICE VALVE IN SAID FLOW CONNECTION FOR CONTROLLING THE SUPPLY OF PAINT TO THE ATOMIZING DEVICE, SAID ORIFICE VALVE COMPRISING A PAIR OF MUTUALLY INTERRELATED AND RELATIVELY MOVABLE ORIFICE SIZING SURFACES FORMING THE ADJUSTABLE OPENING IN THE OPEN ORIFICE VALVE, MEANS FOR ADJUSTING SAID ORIFICE VALVE TO REGULATE THE FLOW OF PAINT THROUGH THE CONNECTION TO THE ATOMIZING DEVICE, AND MEANS IN SAID FLOW CONNECTION AND INDEPENDENT OF SAID OPEN ORIFICE VALVE AND OF SAID ATOMIZING DEVICE FOR INITIATING AND TERMINATING FLOW OF PAINT TO THE ATOMIZING DEVICE THROUGH SAID OPEN ORIFICE VALVE AND POSITIONED TO MAINTAIN A SUFFICIENT HEAD OF PAINT IN THE FLOW CONNECTION ON OPPOSITE SIDES OF THE OPEN ORIFICE VALVE BOTH TOWARD THE ATOMIZING DEVICE AND TOWARD THE PAINT SUPPLY MEANS FOR PROVIDING A QUIESCENT SUPPLY OF PAINT IN SAID OPEN ORIFICE VALVE COVERING SAID ORIFICE SIZING SURFACES WHEN THE INITIATING AND TERMINATING MEANS IS CLOSED, THEREBY TENDING TO PREVENT CLOGGING OF THE OPEN ORIFICE VALVE.

Claim 2

A SYSTEM FOR PAINTING ARTICLES, AND COMPRISING AN ATOMIZING DEVICE FOR ATOMIZING PAINT SUPPLIED THERETO, MEANS TO PROVIDE A SUPPLY OF PAINT, A FLOW CONNECTION BETWEEN THE PAINT SUPPLY MEANS AND SAID ATOMIZING DEVICE, AN ADJUSTABLE OPEN ORIFICE VALVE IN SAID FLOW CONNECTION FOR CONTROLLING THE SUPPLY OF PAINT TO THE ATOMIZING DEVICE, SAID ORIFICE VALVE COMPRISING A PAIR OF MUTUALLY INTERRELATED AND RELATIVELY MOVABLE ORIFICE SIZING SURFACES FORMING THE ADJUSTABLE OPENING IN THE OPEN ORIFICE VALVE, MEANS FOR ADJUSTING SAID ORIFICE VALVE TO REGULATE THE FLOW OF PAINT THROUGH THE CONNECTION TO THE ATOMIZING DEVICE, AND MEANS IN SAID FLOW CONNECTION AND INDEPENDENT OF SAID OPEN ORIFICE VALVE AND OF SAID ATOMIZING DEVICE FOR INITIATING AND TERMINATING FLOW OF PAINT TO THE ATOMIZING DEVICE THROUGH SAID OPEN ORIFICE VALVE AND POSITIONED TO MAINTAIN A SUFFICIENT HEAD OF PAINT IN THE FLOW CONNECTION ON OPPOSITE SIDES OF THE OPEN ORIFICE VALVE BOTH TOWARD THE ATOMIZING DEVICE AND TOWARD THE PAINT SUPPLY MEANS FOR PROVIDING A QUIESCENT SUPPLY OF PAINT IN SAID OPEN ORIFICE VALVE COVERING SAID ORIFICE SIZING SURFACES WHEN THE INITIATING AND TERMINATING MEANS IS CLOSED, THEREBY TENDING TO PREVENT CLOGGING OF THE OPEN ORIFICE VALVE.