Integrated gun flush controller
AssigneeGraco Inc.
InventorsVu K. Nguyen, Lawrence P. Jeutter, Dennis J. Van Keulen
Life of this patent
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Abstract
A gun flush box is controlled by a plural component proportioning unit. When a color change is desired, the operator places the spray gun in the flush box. When a new color is selected, the control system automatically triggers the gun and flushes the gun with solvent with the flush material safely routed to a waste container. The control system automatically triggers the gun to refill the lines with new color paint without using excess paint as it displaces the flush solvent. This system is also capable of working with two guns in operation.
Claims1
An integrated gun flush controller in a plural component proportioning system for producing a mixed material and having a control unit, first and second sources of material, a mixing unit connected to said sources and said control unit and an application device connected to said mixing unit, the improvement comprising:
- a gun flush box connected to said control unit and capable of receiving said application device, said control unit being capable of calculating potlife of mixed material and alarming to require placement of said application device in said gun flush box;
- and
- said control unit being responsive to placement of said application device in said gun flush box in order to operate said application device.
Dependencies are inferred from the claim text.