Patent ID: 8262003

Claim:
A method of applying a two-part spray on an object with a spray application system having a first pump for pumping a first spray material and a second pump for pumping a second spray material, the method comprising the steps of: spraying the object with the two-part spray; monitoring a first pressure of the first spray material adjacent to an outlet of the first pump while spraying the object; monitoring a second pressure of the second spray material adjacent to an outlet of the second pump while spraying the object; completing the spraying of the object; detecting if the first pressure exceeds a first minimum threshold pressure at least once while spraying the object; detecting if the second pressure exceeds a second minimum threshold pressure at least once while spraying the object; and indicating a fault condition if the first pressure does not exceed the first minimum threshold pressure or the second pressure does not exceed the second minimum threshold pressure at least once while spraying the object.