Fluid sprinkling – spraying – and diffusing – Processes
Patent
1984-03-30
1986-03-18
Nase, Jeffrey V.
Fluid sprinkling, spraying, and diffusing
Processes
239183, 138151, 285189, B05B 1700, B05B 318, F16L 914
Patent
active
045763356
ABSTRACT:
A sliding valve assembly is provided which has particular use in irrigating large fields. An inner resilient conduit is provided with overlapping edges which is restrained from expanding under water pressure by an outer concentric flexible cover having abutting edges positioned over the overlapping edges of the inner conduit and being opened and closed by a slide fastener. A discharge tube extends through the opening in the cover and between the overlapping flaps of the conduit and has an inner arcuate member corresponding to the contour of the conduit and a similar outer arcuate clamping member which clamped together with the flanges therebetween. The water pressure and the clamping members form a tight seal at the overlapping edges where the discharge tube extends into the conduit so that fluid within the conduit can be discharged to an appropriate point of use. The slide valve can be moved by turning off the water pressure to the line and sliding it longitudinally within the conduit, the slide fastener being movable to open and close the cover in response to movement of the sliding valve. Water pressure can then be restored to the conduit to effectuate the seal at the sliding valve and to permit discharge of water from the main line.
REFERENCES:
patent: 3011502 (1961-12-01), Jordan
patent: 3019813 (1962-02-01), Dommann
patent: 3094282 (1963-06-01), Purtell
patent: 3592220 (1971-07-01), Reinke
patent: 3643867 (1972-02-01), Thietje
patent: 3903917 (1975-09-01), Ede
patent: 3942722 (1976-03-01), Ede
patent: 4219043 (1980-08-01), Zimmerer et al.
Jones Mary Beth O.
Nase Jeffrey V.
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