Subterraneous injector

Details Subterraneous injector Subterraneous injector

1989-02-15

1990-06-19

DeMille, Danton D.

Planting

Liquid or gas soil treatment

Hand manipulated

47 485, A01C 1502

Patent

active

049342878

ABSTRACT:
A subterraneous treatment apparatus for injecting controlled amounts of fertilizer or other nutrient materials into the soil adjacent the root system of plants. The apparatus includes a closed cylindrical container for the storage of fertilizer and a multi-valve holding chamber assembly consisting of a cylindric holding chamber below the container to receive a measured amount of fertilizer and a terminally disposed upper inlet valve and a lower discharge valve to control the flow of fertilizer therethrough. The apparatus further includes an elongated tube which extends below the holding chamber and is provided with a ground-penetrating section to facilitate insertion into the ground. The multi-valve holding chamber assembly prevents a stream of water from entering the closed container and permits a precise amount of fertilizer to be released into the elongated tube for subterraneous injection to the root zone.

REFERENCES:
patent: 1771694 (1930-07-01), Talvitie
patent: 2043318 (1936-06-01), Conley
patent: 2083153 (1937-06-01), Irish
patent: 2242789 (1941-05-01), McFee
patent: 3326306 (1967-06-01), Weir
patent: 4682550 (1987-07-01), Joy

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