Cutting tool with hardened tip having a tapered base
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United States of America Patent
Stats
-
May 25, 2004
Grant Date -
Jul 3, 2003
app pub date -
Dec 27, 2002
filing date -
Dec 31, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A cutting tool has a centrally located tungsten carbide insert brazed into a seat at the forward end of the tool. The seat has a circular mouth and rearward of the mouth is a frustoconical inner wall. At the bottom of the seat is a transverse surface. A tungsten carbide insert is brazed into the seat and the base of the insert is complementary in shape to the seat. A second annular insert may also be brazed into a complementary shaped annular seat that surrounds the centrally located seat.
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