Device for soil irrigation

Details Device for soil irrigation Device for soil irrigation

1977-10-14

1979-07-31

Wolfe, Robert L.

Hydraulic and earth engineering

Drainage or irrigation

Porous or apertured pipe, flume, or tileway

210484, 210502, 239 55, 239145, E02B 1300

Patent

active

041628632

ABSTRACT:
An irrigating device formed from an absorbent product, such as a polymeric pulp or hydrophilic textile contained within a filtering envelope, such as a woven, knitted or non-woven fabric. The device is placed in the ground in communication with a source of water which may be above or below ground. The irrigation device provides for a uniform rate of irrigation of the soil in which it is placed, requires less water than conventional irrigation devices providing the same overall coverage, and is not subject to dogging or blockage, as with conventional irrigation devices.
In one embodiment for preparing the irrigation device, the absorbent product is in the form of a tow of hydrophilic continuous filament and the textile filter envelope is produced in a continuous in-line operation in conjunction with the production of the tow.
The irrigation device can be applied to the irrigation of soils to facilitate the growth of plants, trees, crops and the germination of seeds.

REFERENCES:
patent: 3441140 (1969-04-01), Thurber
patent: 3767520 (1973-10-01), Dick et al.
patent: 3799442 (1974-03-01), Delmer
patent: 3889678 (1975-06-01), Chatterjee et al.
patent: 3939875 (1976-02-01), Osborn et al.
patent: 4061272 (1977-12-01), Winston

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