Continuous tube multiple emitter

Details Continuous tube multiple emitter Continuous tube multiple emitter

1976-10-04

1978-06-20

Love, John J.

Fluid sprinkling, spraying, and diffusing

With cleaning means, drip collecting, waste disposal or soil...

Nozzle cleaner, flusher or drainer

239542, B05B 1502

Patent

active

040957454

ABSTRACT:
A continuous flow tube containing a series of emitters arranged to discharge through a wall of the flow tube, each emitter forming a flush flow passage collapsible to form a drip flow passage at a preselected low flow tube pressure; the emitters having side walls of such area with respect to the area of the flow tube, that when exposed transversely to initial flow through the flow tube the emitters form externally a series of flow restricting valves which rapidly raise the flow line pressure to a value at which drip flow occurs, thereby minimizing the number of emitters undergoing flush flow.
One embodiment of the emitter is adapted to be installed by forcing the emitter into the flow tube from the exterior thereof. Another embodiment utilizes a flow tube initially in the form of a web which receives the emitters and is then rolled into a tube with the margins of the web circumferentially overlapped and bonded. A further embodiment utilizes a circumferential extension of the web to form an insect guard for the emitter outlets.
The emitters being capable of modification to permit orientation edgewise to flow to minimize restriction to flow, for placement in the region adjacent the intake end of the flow tube, thereby to increase the total number of emitters for a given supply of water to the flow tube.
The embodiments also being capable of modification to provide a relatively rigid mounting base for the flexible emitter arranged to receive an insect guard cap or distributor tube of small dimension.

REFERENCES:
patent: 3779468 (1973-12-01), Spencer
patent: 3993248 (1976-11-01), Harmony

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