Drill bit nozzle
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United States of America Patent
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Feb 15, 2011
Grant Date -
Feb 14, 2008
app pub date -
Oct 12, 2007
filing date -
Aug 11, 2006
priority date (Note) -
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status (Latency Note)
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Abstract
A drill bit comprising a body intermediate a threaded shank and a working face with the working face comprising a plurality of blades converging towards a center of the working face and diverging towards a gauge of the working face. Junk slots comprising a base are formed by the plurality of blades. At least one blade comprising at least one culling surface with a carbide substrate is bonded to a diamond working end. At least one high pressure nozzle is disposed between at least two blades and within a nozzle bore formed into an elevated surface extending from the base of the junk slots. The elevated surface is disposed adjacent the diamond working end of the least one blade.
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