Plant husbandry – Turpentine and rubber – Tools
Patent
1977-05-04
1978-05-23
Bagwill, Robert E.
Plant husbandry
Turpentine and rubber
Tools
47 575, 144 34A, A01G 2310, A01G 2900
Patent
active
040903273
ABSTRACT:
An injector blade for injecting liquid into a tree wherein the blade has a concave cutting edge, a flat non-beveled first surface containing a cavity for ejectment of a treating solution onto the surface of a frill made during impact of the blade with a tree and a beveled second surface.
REFERENCES:
patent: 2803924 (1957-08-01), Little
patent: 2853833 (1958-09-01), Hash
patent: 2927401 (1960-03-01), Little
patent: 3946775 (1976-03-01), Albright
Bagwill Robert E.
Hercules Incorporated
Martin III Joshua W.
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