Plant husbandry – Plant surface contact material applicator
Patent
1985-06-24
1986-11-25
Hafer, Robert A.
Plant husbandry
Plant surface contact material applicator
A01G 1300
Patent
active
046240713
ABSTRACT:
A herbicide applicator, of the wiping type, comprises an elongate loop of flexible, solid wick material extending along and depending freely from a vertically adjustable frame member. The loop is suitably formed of polypropylene carpeting. Deployed within the loop is a conduit having spaced, upwardly directed spray nozzles. A tank and pump are connected with the conduit to supply pressurized herbicide liquid through the nozzles, whereby it is applied to the loop wall and spreads therealong. The loop has a broad lowermost end section for applying the herbicide to weeds and holding a quantity of fluid for coping with occasional dense weed patches. A pulsing switch operates the pump as required to vary the rate of delivery of liquid to the loop wall, whereby the quantum of applied liquid can be adjusted to the demand.
REFERENCES:
patent: 1527669 (1925-02-01), Camp
patent: 3077701 (1963-02-01), Osmun
patent: 4302904 (1981-12-01), Mead
patent: 4359188 (1982-11-01), Moore
patent: 4471570 (1984-09-01), Chandler
Hafer Robert A.
Johnson Ernest Peter
Lewis Bradley M.
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