High impact resistant tool with an apex width between a first and second transitions
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United States of America Patent
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Feb 24, 2015
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app pub date -
Jun 30, 2010
filing date -
Oct 26, 2006
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Abstract
In one aspect of the present invention, a high impact resistant tool comprises a sintered polycrystalline diamond body bonded to a cemented metal carbide substrate at an interface, the body comprising a substantially pointed geometry with an apex, the apex comprising a curved surface that joins a leading side and a trailing side of the body at a first and second transitions respectively, an apex width between the first and second transitions is less than a third of a width of the substrate, and the body also comprises a body thickness from the apex to the interface greater than a third of the width of the substrate.
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