Drip level irrigation

Details Drip level irrigation Drip level irrigation

1973-09-12

1978-02-21

Arola, Dave W.

Pipe joints or couplings

With leakage or drip disposal

Weep holes

61 12, F16L 5500

Patent

active

RE0295469

ABSTRACT:
An irrigation dripper unit for use in irrigation in association with an irrigation supply pipe and also, when combined with a supply pipe, to form together with the supply pipe an integral unit. The dripper unit can be connected in series with the supply pipe or, when constituting a part of the integral unit, is connected in series with the supply pipe and has means to tap off a portion of the water flowing through the unit and to discharge such portion at a low drip rate.

REFERENCES:
patent: 484764 (1892-10-01), Elder
patent: 1128634 (1915-02-01), Talbot
patent: 1802403 (1931-04-01), Campbell
patent: 1975495 (1934-10-01), Armacost
patent: 2024901 (1935-12-01), Wrigley
patent: 2660457 (1953-11-01), Mallon
patent: 2981072 (1961-04-01), Brewington
patent: 3359013 (1967-12-01), Knox et al.

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