Fluid sprinkling – spraying – and diffusing – With mobile tank-type supply means
Reexamination Certificate
2011-07-19
2011-07-19
Hwu, Davis (Department: 3752)
Fluid sprinkling, spraying, and diffusing
With mobile tank-type supply means
Reexamination Certificate
active
07980487
ABSTRACT:
A texture spray pump unit (100) having a tank (140) with an outlet for providing texture material to a pump (120), for delivery to a texture spray gun. The spray pump unit (100) also has an air source (180) for providing power to the pump (120) and air to deliver the texture material from the gun. A frame supports the tank (140), air source (180) and pump (120). The tank (140) is removable from the frame, and has a self closing valve to block leakage from the tank (140) when removed from the frame. The valve may have a pair of helper springs urging the valve closed. Mating portions on the frame and tank (140) guide engagement of a tank outlet with a pump inlet tube.
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Kieffer Joseph W.
Mirazita Frank G.
Faegre & Benson LLP
Hwu Davis
Titan Tool Inc.
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