Trickle emitter for subterranean irrigation

Details Trickle emitter for subterranean irrigation Trickle emitter for subterranean irrigation

1975-02-21

1978-07-18

Cohan, Alan

Fluid handling

Systems

With flow control means for branched passages

137883, 138 45, 239542, 137236R, F16K 1504

Patent

active

041009401

ABSTRACT:
An irrigation pipeline has a plurality of emitters equipped with discharge nipples for engagement by flexible hoses to release water at a trickle rate at selected subterranean locations within the radii of the hoses. A plurality of the nipples may be integral with a plastic manifold that is installed between confronting pipe ends and some of the nipples may be blind nipples that are sheared for activation of the emitters as required to meet increased demand for water.

REFERENCES:
patent: 2143477 (1939-01-01), Dillon
patent: 2598961 (1950-06-01), Andrus
patent: 3470893 (1969-10-01), Nelson
patent: 3595524 (1971-07-01), Mominee
patent: 3606166 (1971-09-01), Whear
patent: 3746263 (1973-07-01), Reeder
patent: 3840182 (1974-10-01), Geoffroy

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