Fertilizer injector

Details Fertilizer injector Fertilizer injector

1989-09-15

1990-10-02

DeMille, Danton D.

Planting

Liquid or gas soil treatment

Rotating dibble injector

251181, 251309, 13762516, 13762547, A01C 2304, F16K 2900, F16K 514

Patent

active

049600605

ABSTRACT:
An improved seal for a fertilizer injector, such as that shown in my prior U.S. Pat. No. 4,649,836, providing a rotating sealing carrier which prevents scoring by the constant rubbing of the plate carrying the injectors. The improved seal also provides that the sealing bushing is pressed against the plate by liquid pressure from the liquid fertilizer.

REFERENCES:
patent: 4545408 (1985-10-01), Sonneborn
patent: 4632148 (1986-12-01), Stark
patent: 4649836 (1987-03-01), Overocker
patent: 4677921 (1987-07-01), Brown

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