Title: Apparatus for treating trees

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.

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Inventors: Crowson, Paul Richard (Hattiesburg, MS, US)

Application Number: 793698
Filing Date: 1977-05-04
Publication_date: 1978-05-23
Assignee: Hercules Incorporated (Wilmington, DE)
Primary Class(es): 47/12 47/57.5, 144/34.2
Other Classes:
US Patent Ref:

2803924	Aug, 1957	Little	47/57.
2853833	Sep, 1958	Hash	47/57.
2927401	Mar, 1960	Little	47/57.
3946775	Mar, 1976	Albright	144/34.

Other Refs: 169,733

May, 1951	OE

Primary Examiner: Bagwill, Robert E.
Assistant Examiner:
Attorney: Martin, III; Joshua W.