Plant husbandry – Bench or elevated bed – hotbed
Patent
1992-09-09
1994-10-18
Raduazo, Henry E.
Plant husbandry
Bench or elevated bed, hotbed
47 62, 2394285, 2395533, A01G 900
Patent
active
053556186
ABSTRACT:
An irrigation valve adapted to be placed in an inlet pipe for irrigation liquid under a cultivation table for potted plants or the like. The irrigation valve includes a valve housing with an inlet and an outlet as well as a mixing chamber and a nozzle. The valve further includes a lateral opening for enabling an introduction of air to be mixed with the irrigation liquid and for draining of irrigation liquid. A number of the valves may be used in an irrigation plant with one valve being provided under each cultivation table and being activated by a magnetic valve disposed in an inlet pipe for providing water under pressure.
REFERENCES:
patent: 3938738 (1976-02-01), Nagel
patent: 4045909 (1977-09-01), Moss
patent: 4261347 (1981-04-01), Spencer
patent: 5182820 (1993-02-01), Marks
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