Plant husbandry – Plant surface contact material applicator
Patent
1984-09-12
1986-04-01
Feyrer, James R.
Plant husbandry
Plant surface contact material applicator
A01M 2100
Patent
active
045788952
ABSTRACT:
The present invention provides an apparatus for applying chemicals to plants comprising a reservoir containing chemical solution or liquid chemical; wick means for applying said chemical to plants to be treated by contact of the wick means with the plants; supply line connecting said reservoir with said wick means for supply of said chemical to said wick means; said supply line including a pressure chamber intermediate said reservoir and said wick means; and pressure means to force said chemical from said reservoir and into said pressure chamber thereby pressurizing said pressure chamber and contacting said wick means with said chemical; wherein on reduction of pressure from said reservoir, the pressure in said pressure chamber forces said chemical back along said supply line towards said reservoir and away from said wick means, and when pressure in said reservoir is less than ambient pressure, chemical is withdrawn from said wick means.
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