Arrangement for treatment of culture by moistening

Details Arrangement for treatment of culture by moistening Arrangement for treatment of culture by moistening

1986-07-10

1988-01-05

Hafer, Robert A.

Plant husbandry

Plant surface contact material applicator

A01G 1500

Patent

active

047166789

ABSTRACT:
This invention relates to a device for treatment of culture by moistening. This device comprises at least one practically horizontal tubular tank (3) having a slit (4) in which are clamped the upper ends (2) of flexible capillary wicks (1) adapted for resting on the vegetation. This tank (3) is intermittently fed with a pressurized liquid, such as a weed-killer. According to the invention, each inlet (5) through which pressurized liquid is intermittently fed to a tank (3) is provided with a calibrated orifice (6) acting as an atomizer for spraying liquid into the tank. Preferably, a ball valve (7) biased by a spring (9) against its seat (8) is provided for preventing the liquid from dripping into the tank (3) during interruptions of pressure. In case the upper ends (2) of the wicks (1) are so tightly clamped in the slit (4) of the tank that capillary flow would be impeded, a row of orifices (10) is provided along an edge of the slit (4 ) for allowing liquid to seep onto the wicks (1).

REFERENCES:
patent: 1764952 (1930-06-01), Hay
patent: 2930334 (1960-03-01), Marron et al.
patent: 3021642 (1962-02-01), Ewing
patent: 3077701 (1963-02-01), Osmun
patent: 3267610 (1966-08-01), Hills
patent: 4253272 (1981-03-01), Bertness
patent: 4302904 (1981-12-01), Mead
patent: 4459777 (1984-07-01), Moore et al.
patent: 4471570 (1984-09-01), Chandler

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