Attack tool
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United States of America Patent
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Nov 4, 2008
Grant Date -
Feb 14, 2008
app pub date -
Aug 11, 2006
filing date -
Aug 11, 2006
priority date (Note) -
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Abstract
In one aspect of the invention, an attack tool is disclosed which comprises a wear-resistant base suitable for attachment to a driving mechanism. The wear resistant base has a shank and metal segment. A cemented metal carbide segment is bonded to the metal segment opposite the shank. At least one hard insert is bonded to the metal segment proximate the shank, wherein the insert has a hardness greater than 60 HRc.
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