Traveling weir

Details Traveling weir Traveling weir

1981-07-30

1983-05-24

Cherry, Johnny D.

Fluid sprinkling, spraying, and diffusing

With mobile tank-type supply means

Aircraft carried

A01G 2509, B05B 318

Patent

active

043846769

ABSTRACT:
A weir suitable for use in an irrigation water supply ditch. The weir controls water flow to create a sufficient pool of water for pick-up by an irrigation machine. The weir has a rigid bulkhead which is generally shaped to match the contour of the ditch. The bulkhead is supported such that it is not in contact with the ditch. A seal member attached to the bulkhead fills the gap between the bulkhead and the ditch surface, to prevent water flow underneath the weir. This arrangement of a rigid piece coupled with a flexible seal allows the weir to move in either direction along the ditch without becoming snagged on obstructions in the ditch.

REFERENCES:
patent: 1107119 (1914-08-01), Searle
patent: 2718433 (1955-09-01), Poynor et al.
patent: 2763992 (1956-09-01), Rothenberger
patent: 2851305 (1958-09-01), Martinez
patent: 2880937 (1959-04-01), King
patent: 3104821 (1963-09-01), Anderson
patent: 3108440 (1963-10-01), Anderson
patent: 3303655 (1967-02-01), Loomis
patent: 3303655 (1967-02-01), Loomis
patent: 4222520 (1980-09-01), Melcher

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