Fluid sprinkling – spraying – and diffusing – Fluid pressure responsive discharge modifier* or flow... – Fuel injector or burner
Patent
1978-03-23
1979-12-11
Love, John J.
Fluid sprinkling, spraying, and diffusing
Fluid pressure responsive discharge modifier* or flow...
Fuel injector or burner
239542, B05B 1500
Patent
active
041779460
ABSTRACT:
An integral drip irrigation system comprises an elongated laminate which forms an integral part of a pipe for carrying drip irrigation liquid and is constituted by a plastic flexible sheet, thermally deformed to provide the same with at least one winding channel running along the same; at least one irrigation liquid admitting or collector zone capable of feeding the same through one end of said at least one channel; at least one irrigation liquid emitter zone located at the other end of said at least one channel; and a flat flexible plastic sheet adhered to said thermally deformed sheet at the upper areas thereof, for completing the passages and collector and emitter zones, said flat sheet acting as a pressure compensating diaphragm on said at least one emitter zone, while it acts as an irrigation liquid filtration system by means of the provision of at least one slit or hole in the same at said at least one irrigation liquid collector zone.
The laminate may be wrapped in any direction and may be sealed at its side edges in order to form a flexible pipe, or it may alternatively be used as an element adhered to an existing pipe, wherein openings coincident with the filtration system of said at least one irrigation liquid collector zone are provided.
REFERENCES:
patent: 3896999 (1975-07-01), Barragan
patent: 4011893 (1977-03-01), Bentley
patent: 4105162 (1978-08-01), Drori
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