Fluid sprinkling – spraying – and diffusing – Conduit or nozzle attached irrigation-type decelerator
Patent
1977-03-31
1979-04-03
Cherry, Johnny D.
Fluid sprinkling, spraying, and diffusing
Conduit or nozzle attached irrigation-type decelerator
138 45, 239547, B05B 1502
Patent
active
041473078
ABSTRACT:
A multiple emitter flow control which utilizes an irrigation flow tube provided with a series of outlets which receive a series of flexible emitters, the walls of each emitter being biased to form a flush flow passage extending radially inward from its corresponding outlet, the flush flow passage being collapsible, when the walls are subject to a bending force, causing the emitter to deflect angularly from its outlet, and also collapsible, when subject to water pressure above a preselected value, each emitter when collapsed by a bending force or by water pressure forming a drip flow passage from the interior of the irrigation tube through its outlet; the walls of the irrigation flow tube between irrigation cycles being biased to a normally flattened profile. An embodiment of the emitter being of greater length than the minor dimension of the flattened irrigation flow tube. Another embodiment utilizes an irrigation flow tube which is initially a web permitting attachment of the emitters to the inner surface of the irrigation flow tube whereupon the web is folded into a tube and longitudinally sealed. A further embodiment of the emitter tube has a short length approximating the minor dimension of the flattened irrigation flow tube.
REFERENCES:
patent: RE29022 (1976-11-01), Spencer
patent: 3779468 (1973-12-01), Spencer
patent: 3918646 (1975-11-01), Leal-Diaz et al.
patent: 4037791 (1977-07-01), Mullett et al.
Christy Mark H.
Spencer Lloyd
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