Low-contact area cutting element
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United States of America Patent
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Jun 14, 2005
Grant Date -
Aug 5, 2004
app pub date -
Jan 30, 2003
filing date -
Jan 30, 2003
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A cutting element for a drag-type drill bit comprises a cutter body having a generally cylindrical base section adapted for snug-fitting engagement in a socket of a drill bit body. The cutter body is secured to the bit body by brazing or other conventional attachment techniques. The cutter body further has a generally cylindrical cutting section integral with the base section. The cutting section has at least one inclined surface extending from a top surface of the cutting section partially along the length of the generally cylindrical cutting section. The cutter body may comprise a sintered tungsten carbide and the top surface may comprise a layer of super hard material.
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