Tree dosing apparatus

Plant husbandry – Injection – method or apparatus

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Details

A01G 2900

Patent

active

050462814

ABSTRACT:
An attachment 1 for a hand gun 2 with a movable piston 4 actuated by a trigger means 11, which comprises a blade 3 to form a cut in a tree, and a fluid injection means 10 which instantaneously supplies a fluid dosage to the cut. The fuel to operate the hand gun 2, together with the fluid, are preferably provided in a backpack 43.

REFERENCES:
patent: 2309391 (1943-01-01), Hecht
patent: 2747330 (1956-06-01), Simpkins
patent: 2803924 (1957-08-01), Little
patent: 2821944 (1958-02-01), Blake
patent: 2885121 (1959-06-01), Littleton
patent: 3136091 (1964-06-01), Phelps
patent: 3461588 (1969-08-01), Johnson
patent: 3596402 (1971-08-01), Palmer
patent: 4090326 (1978-05-01), Crowson
patent: 4596088 (1986-06-01), Graber
patent: 4821683 (1989-04-01), Veldman
patent: 4905634 (1990-03-01), Veldman
Dow Chemical, "Down to Earth" vol. 6, No. 3, 1950.

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