Underground irrigation system

Hydraulic and earth engineering – Drainage or irrigation – Porous or apertured pipe – flume – or tileway

Patent

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Details

405 36, 405 43, E02B 1300

Patent

active

049041126

ABSTRACT:
An inner pipe having a plurality of apertures on a top surface is connected to a pressurized water input source. The inner pipe is located within a slightly larger outer pipe and rests on a bottom inner surface of the outer pipe. The outer pipe is buried just below a plant root line. A series of longitudinal slots on a bottom portion of the outer pipe permits water flowing from the inner pipe to the outer pipe to trickle unimpeded into the surrounding soil.

REFERENCES:
patent: 3422626 (1969-01-01), Hanyahan
patent: 3540223 (1970-11-01), Ebbe
patent: 4182581 (1980-01-01), Uchara et al.
patent: 4188154 (1980-02-01), Izatt
patent: 4697952 (1987-10-01), Maddock

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