Sub-surface irrigation systems

Details Sub-surface irrigation systems Sub-surface irrigation systems

1991-04-15

1992-04-07

Corbin, David H.

Hydraulic and earth engineering

Drainage or irrigation

Porous or apertured pipe, flume, or tileway

405 41, 405 44, 405 46, E02B 1300

Patent

active

051022591

ABSTRACT:
A sub-surface irrigation system includes a conduit connected to a water supply. A plurality of fluid dispenser units are connected to a conduit or conduits. Each of the fluid dispenser units includes a connector interconnected at one end to the interior of the conduit. The other end of the connector is coupled to a drip emitter positioned in an elongated casing. The elongated casing has an enlarged opening at one end and a reduced opening formed at the other end. Tubing interconnects the other end of the connector to the casing. The drip emitter is positioned in the tubing adjacent the casing reduced opening end. In a different invention, the casing extends up to the surface of the ground, so that inspection may be made relative to the operativeness of the drip emitter.

REFERENCES:
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patent: 3292378 (1966-12-01), Rosenthal
patent: 3302408 (1967-02-01), Schmid
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patent: 3426544 (1969-02-01), Curtis
patent: 3442087 (1969-05-01), Riusech
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patent: 4153380 (1979-05-01), Hartman
patent: 4193711 (1980-03-01), Riusech
patent: 4402631 (1983-09-01), Rosenthal
patent: 4577997 (1986-03-01), Lehto
patent: 5024555 (1991-06-01), York

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