Fluid sprinkling – spraying – and diffusing – With signals – indicators – recorders – meters or changeable... – With spray material quantity or flow indicating means
Patent
1980-01-17
1982-02-16
Kashnikow, Andres
Fluid sprinkling, spraying, and diffusing
With signals, indicators, recorders, meters or changeable...
With spray material quantity or flow indicating means
1375645, 137893, 222134, 239310, 239323, B05B 728
Patent
active
043156002
ABSTRACT:
A trigger actuated fertilizer spray gun has a herbicide injector mounted on its muzzle with the valve for the injector having an actuator which is also accessible from the handle of the gun, so that an operator, while spraying fertilizer, can make spot applications of a herbicide as weeds are encountered in the area being fertilized. The herbicide is carried in a canister which can either be mounted on the handle of the spray gun or on a belt worn by the operator and the canister is divided into first and second, variable volume chambers by a flexible diaphragm. The first chamber is connected to the flow passage of the fertilizer to pressurize it to approximately the line pressure of the fertilizer flow, and the second chamber, containing the herbicide, is connected to the injector at a venturi-shaped portion of a passage through it. The second, herbicide filled chamber is therefore under pressure exerted by the diaphragm so that when the valve is opened the herbicide is sprayed into the flow of fertilizer passing through the injector. The venturi-shaped portion of the passage at the point where the herbicide is injected into the fertilizer flow also facilitates herbicide flow so that there is an almost instantaneous flow of herbicide into the fertilizer when the valve is actuated.
REFERENCES:
patent: 2199151 (1940-04-01), Dailey et al.
patent: 3207443 (1965-09-01), Gilmour
patent: 4210175 (1980-07-01), Daniels et al.
Rhoades Edward J.
Rosenberger Edwin C.
Waker Jerome A.
Chem-Lawn Corporation
Kashnikow Andres
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