Patent ID: 8677684
Filing Date: 2014-03-25
Classification: A01G

Abstract:
1. A tree injection plug for insertion into a hole formed in the trunk of the tree, comprising: an elongated body portion having rearward and forward ends; said body portion having a fluid passageway therein, having first and second ends, which extends between said rearward and forward ends of said body portion; an elongated, spring-loaded valve core, having rearward and forward ends, positioned in said rearward end of said fluid passageway; said valve core including a valve which is movable between a normally closed position and an open position; said valve, when in said closed position, preventing the passage of fluid through said fluid passageway; said valve, when in said open position, permitting the passage of fluid through said fluid passageway; an elongated, selectively movable valve actuator having rearward and forward ends; said forward end of said valve actuator being connect to said valve; said rearward end of said valve actuator being positioned at said rearward end of said body portion; said body portion having male coupler structure adjacent said rearward end of body portion which is configured to be coupled to a female coupler structure on a liquid chemical injector to enable liquid chemical to be forced through said valve core and said body portion with the fluid pressure of the liquid chemical causing said valve to open; and at least one barb on said body portion adjacent said forward end of said body portion for engagement with the tree when the forward end of said body portion is inserted into the hole in the tree.