Earth-boring bit with shear cutting elements
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United States of America Patent
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-
Mar 9, 2010
Grant Date -
Oct 5, 2006
app pub date -
Mar 30, 2006
filing date -
Mar 30, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
An earth-boring bit has a bit body and at least one cone for rotation relative to the bit body. The cone has a gage surface and a nose area separated by a central area. A nose insert is located in the nose area. The nose insert has a barrel located within a hole in the nose area and an outer end protruding from the cone, the outer end has a perimeter that is a plane perpendicular to a barrel axis of the nose insert.
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