Thick pointed superhard material
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United States of America Patent
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Oct 4, 2011
Grant Date -
Mar 18, 2010
app pub date -
Nov 25, 2009
filing date -
Oct 26, 2006
priority date (Note) -
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Abstract
A high impact resistant tool includes a superhard material bonded to a cemented metal carbide substrate at a non-planar interface. The superhard material has a substantially pointed geometry with a sharp apex having a radius of curvature of 0.050 to 0.125 inches. The superhard material also has a thickness of 0.100 to 0.500 inches from the apex to a central region of the cemented metal carbide substrate. The diamond material comprises a 1 to 5 percent concentration of binding agents by weight.
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