Anhydrous knife

Details Anhydrous knife Anhydrous knife

1985-01-23

1986-10-14

Johnson, Richard J.

Planting

Liquid or gas soil treatment

Hand manipulated

172699, A01B 1700

Patent

active

046165800

ABSTRACT:
A knife for dispensing anhydrous material within the subsoil consisting of a configured body of cast metal, the lower end defining a sacrificial mass providing the knife with excellent wear characteristics. A dispensing tube is cast within the body having orifices protected from plugging and a soil replacement and compacting element is homogeneously defined on the rear portion of the knife body immediately replacing the displaced soil to close the formed slit and retain the dispensed material.

REFERENCES:
patent: 2439743 (1948-04-01), McEwen
patent: 2598121 (1952-05-01), Hannibal
patent: 2619054 (1952-11-01), Bell
patent: 2684617 (1954-07-01), Johnston
patent: 2849970 (1958-09-01), Coberly et al.
patent: 3259087 (1966-07-01), Horton
patent: 3605657 (1971-09-01), Brannan
patent: 3919951 (1975-11-01), Williams et al.
patent: 4033271 (1977-07-01), Williams et al.
patent: 4132181 (1979-02-01), Smith et al.
patent: 4201142 (1980-05-01), Stump

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