Insert for an attack tool, method for making same and tools incorporating same
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United States of America Patent
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Feb 14, 2017
Grant Date -
Sep 22, 2011
app pub date -
Oct 21, 2009
filing date -
Oct 21, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
The invention relates to an insert for an attack tool, the insert comprising a super-hard cap having a volume and bonded to a substrate at an interface, the super-hard cap having an average Young's modulus of greater than 900 GPa and the substrate characterized in that it comprises a reinforcing bolster portion as a means for stiffening a region of the substrate proximate the interface, the reinforcing bolster portion having an aggregate volume that is greater than that of the super-hard cap and an average Young's modulus at least 60% that of the super-hard cap. The invention further relates to a method for manufacturing such an insert and a method for using such an insert.
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