Fluid sprinkling – spraying – and diffusing – Including supply holder for material – Fluid pressure discharge means
Patent
1995-05-30
1997-09-16
Weldon, Kevin
Fluid sprinkling, spraying, and diffusing
Including supply holder for material
Fluid pressure discharge means
239354, 239526, 239576, 239600, B05B 732, B05B 130
Patent
active
056671423
ABSTRACT:
A pneumatically operated spray gun for dispensing fluid materials, and having a disposable supply hose for eliminating dean up problems common when using more expensive hoses and fittings. As a result, the spray gun is easy to dean and maintain since no spray material is introduced through internal parts of the spray gun. such as valves, passages, and inlet and outlet ports. The spray gun includes a gun housing having an air inlet port, an air outlet port, and a spring biased air valve disposed between the inlet and the outlet ports. The air valve is biased in a closed position. A trigger is pivotally attached to the gun housing and engages the air valve. The trigger is also attached to one end of a spring biased pinch valve mounted in the housing. Another end of the pinch valve is biased against one end of a material disposable supply hose for pinching off the supply of material therethrough. An end of the disposable supply hose is attached to the housing and disposed adjacent an end of the air outlet port. When the trigger is squeezed the air valve is moved to an open position allowing pressurized air to flow from the air inlet port to the air outlet port. Simultaneously, the trigger moves the pinch valve releasing it from the side of the disposable supply hose, thereby allowing material to flow through the hose and engage an air stream emitted from the end of the air outlet port.
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Crabtree Edwin H.
Margolis Donald W.
Newstripe, Inc.
Weldon Kevin
LandOfFree
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