Irrigation device

Fluid sprinkling – spraying – and diffusing – With cutoff or flow varying means operated by means...

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Details

73337, 137 783, B05B 1212

Patent

active

046485554

ABSTRACT:
An irrigation device for controlling moisture level in soil utilizing a moisture-sensitive element which mechanically actuates a valve so that availability of water is controlled by the presence or absence or moisture in the soil.

REFERENCES:
patent: 2674490 (1954-04-01), Richards
patent: 2768027 (1956-10-01), Nelson
patent: 3204872 (1965-09-01), Whear
patent: 3874590 (1975-04-01), Gibson
patent: 4095458 (1978-06-01), Wild
patent: 4214701 (1980-07-01), Beckmann

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