Fluid sprinkling – spraying – and diffusing – Flow line or nozzle attached or carried handgrip or handle – Pistol grip type
Patent
1999-08-13
2000-10-17
Kashnikow, Andres
Fluid sprinkling, spraying, and diffusing
Flow line or nozzle attached or carried handgrip or handle
Pistol grip type
239570, 239600, 3750526, B05B 702
Patent
active
061318256
ABSTRACT:
A spray paint gun air stabilizing structure comprised in sequence of a connector, a valve, a shouldered tube, a spring and a piston. Wherein, the shouldered tube is provided inside the connector to accommodate the valve. A proper gap exists between the valve and the connector. The spring slips on the hollow piston. One end of the piston and its walls form two stopper walls compromising the inner diameter of the air passage of the spray paint gun while the other end of the piston penetrates through the shouldered tube towards the valve. Whereby, the pre-pressurized air in normal status drives the valve in the connector, then is introduced into the spray paint gun via the gap provided to the inner wall of the valve. If the air is over-pressurized, back-pressure is formed in the air passage to push the piston to compress the spring, the outer end of the piston gets closer to the end surface of the valve to narrow down the gap. In turn, the smaller passage formed therein so that the pressure carried by the air entering into the spray paint gun is reduced and stabilized.
REFERENCES:
patent: 5503182 (1996-04-01), Huang
patent: 5522421 (1996-06-01), Holt et al.
patent: 5732886 (1998-03-01), Liaw
Douglas Lisa Ann
Kashnikow Andres
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