Hand held liquid herbicide applicator

Details Hand held liquid herbicide applicator Hand held liquid herbicide applicator

1981-03-05

1982-11-09

Bratlie, Steven A.

Plant husbandry

Plant surface contact material applicator

401140, 401203, 401204, 401205, 251 8, A01M 2100, A01N 500

Patent

active

043577792

ABSTRACT:
A hand-held liquid herbicide applicator for wipingly applying the liquid herbicide on undesired vegetation. The applicator includes an elongated tubular handle having a supply container on its upper end with a special differential pressure operated vent valve in the container. A flow control valve is mounted in the handle for controlling the flow of the liquid herbicide through the handle to an applicator head carried on the bottom of the handle. The applicator head includes an especially configured synthetic sponge which is formed with a porous relatively dense peripheral skin so that the liquid herbicide received from the handle will evenly saturate the entire sponge to prevent uncontrollable liquid flow in one or more localized parts of the sponge.

REFERENCES:
patent: 1939612 (1933-12-01), Rose
patent: 2326669 (1943-08-01), Nimrick
patent: 3167085 (1965-01-01), Redmer
patent: 4027986 (1977-06-01), Patrick

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