Planting – Liquid or gas soil treatment – Drilling machines
Reexamination Certificate
2005-11-22
2005-11-22
Novosad, Christopher J. (Department: 3671)
Planting
Liquid or gas soil treatment
Drilling machines
C111S188000
Reexamination Certificate
active
06966270
ABSTRACT:
A seeding tool for depositing seeds and fertilizer within a furrow including a knife opener having a liquid wing projecting from the side thereof for providing and maintaining spacing between the seeds and fertilizer. Preferably, the liquid wing is a tungsten carbide insert secured to the side of the knife opener, and has a wing shaped structure which is shaped and sized to space the fertilizer apart from the seeds, to protect the end of the tube from which fertilizer is dispensed, and to present a small leading surface which displaces the soil easily and presents minimal resistance. Preferably, the largest, side surface of the liquid wing insert is inclined toward the side of the knife opener from a widest lower, rear member adjacent the end of the fertilizer tube to a narrower top, front member near a leading end of the knife opener.
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Bigelow Dean M.
Rowlett Don C.
Yeager Linus I.
F. P. Bourgault Tillage Tools Ltd.
Kennametal Inc.
Novosad Christopher J.
Smith Matthew W.
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