Fluid sprinkling – spraying – and diffusing – Flow line or nozzle attached or carried handgrip or handle – Pistol grip type
Patent
1985-06-17
1986-12-16
Kashnikow, Andres
Fluid sprinkling, spraying, and diffusing
Flow line or nozzle attached or carried handgrip or handle
Pistol grip type
91417R, 134166R, B05B 901
Patent
active
046291288
ABSTRACT:
An apparatus for discharging a high pressure burst of air against a column of standing water behind an obstruction in a drain line to create shockwaves in the water column to remove the obstruction, including a hollow gun body having a discharge opening and a pistol grip handle connected to the gun body. A discharge valve is connected to a piston dividing the interior of the gun body into two chambers, the pressurization and de-pressurization of which is controlled by a trigger operated pilot valve. Air is quickly exhausted from a rearward chamber by depressing the trigger and pilot valve, causing the piston and valve to snap rearwardly to open the discharge opening and direct a burst of pressurized air from a forward chamber to exit through the discharge opening and into a drain line.
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Kashnikow Andres
Malpede Scott D.
The Scott & Fetzer Company
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