Method and apparatus for the chemical treatment of plants

Details Method and apparatus for the chemical treatment of plants Method and apparatus for the chemical treatment of plants

1980-05-27

1982-05-11

Nilson, Robert G.

Fluid handling

Processes

With control of flow by a condition or characteristic of a...

13710111, 1375991, F16K 1900

Patent

active

043288219

ABSTRACT:
A method and apparatus for the chemical treatment of plants using a mixing tank connected to the inlet side of a pre-existing irrigation system having a shutoff valve and antisiphon valve. The tank is connected through an antisiphon valve and a throttling valve at the top of the tank to the high pressure side of the pre-existing shutoff valve and antisiphon valve using a saddle connector valve and flexible tube. The bottom of the tank is connected to the low pressure side of the pre-existing shutoff valve and antisiphon valve using a second saddle connector valve and flexible tube. Chemical to be dispersed is placed in the tank. The connector valves are first both opened while the throttling valve remains closed. Next the shutoff valve is opened to commence irrigation. Low pressure water backflows to fill the tank through its bottom connection, and the low water pressure is read on a gauge connected to the tank. The throttling valve on the tank is then opened sufficiently to increase tank pressure a calibrated amount. After sufficient time has lapsed for the calibrated chemical flow rate, the connector valves are closed, and the flexible tubes may be disconnected to drain and store the tank or move the tank to another irrigation system.

REFERENCES:
patent: 885396 (1908-04-01), Packard
patent: 1712804 (1929-05-01), Wytcherley
patent: 1917704 (1933-07-01), Dresher
patent: 2738323 (1956-03-01), Tepas
patent: 3038490 (1962-06-01), Yocum
patent: 3312235 (1967-04-01), Graceman
patent: 3351290 (1967-11-01), Baldwin
patent: 3968932 (1976-07-01), Kimmell
patent: 3974847 (1976-08-01), Hodges
patent: 4074685 (1978-02-01), Dodd

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