Soil treatment liquid injection device

Details Soil treatment liquid injection device Soil treatment liquid injection device

A - Human Necessities

01

C

111/45

A01C 23/02 (2006.01)

Patent

CA 1083429

ABSTRACT OF THE DISCLOSURE Disclosed herein is a device for introducing soil treatment liquids into the ground including a plurality of injection tines having a downwardly directed tip portion and connected to a rotatable crankshaft for reciprocative movement between a raised or non-injection position and an injection position wherein the tine portion is located beneath the ground surface. Flow of the treatment liquid to the tines is controlled by a rotary flow distribution valve which is connected directly to a chain drive sprocket mounted on the crankshaft and which is arranged to selectively supply the treatment liquid to the tines only when they are in the injection position. Each tine has a generally spherical tip made from a high aluminum ceramic material and an internal check valve located near the tip for minimizing the amount of residual liquid which can be shaken from the tine while it is in the non-injection position.

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