Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
November 4, 2008
Patent Application Number
11463975
Date Filed
August 11, 2006
Patent Citations Received
Patent Primary Examiner
Patent 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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