Hydraulic and earth engineering – Drainage or irrigation
Patent
1988-10-19
1991-06-04
Corbin, David H.
Hydraulic and earth engineering
Drainage or irrigation
47 485, E02B 1300
Patent
active
050209396
ABSTRACT:
Method and apparatus for drip irrigation having a water supply tank connected to a constant water level tank by a drain pipe having a drain opening. A supply tube extends from the constant water level tank and is connected to a supply tank with an open top located inside of an air tight casing. The casing contains fillers and has its bottom open to the soil. The system is applicable to irrigate farms and potted plants.
REFERENCES:
patent: 1052121 (1913-02-01), Austin
patent: 3095557 (1963-07-01), Clark
patent: 3754352 (1973-08-01), Bates
patent: 4060991 (1977-12-01), Reese
patent: 4122012 (1978-10-01), Vlasnik
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