Rotatable cutting bit assembly with cutting inserts
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United States of America Patent
Stats
-
Jan 23, 2001
Grant Date -
N/A
app pub date -
Dec 31, 1998
filing date -
Dec 31, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A rotatable cutting bit for penetrating an earth formation wherein the rotatable cutting bit includes an elongate bit body having a forward end and a rearward end. The bit body further defines a peripheral surface. The bit body has a first cutting insert affixed thereto at the axially forward end thereof. The first cutting insert has a first leading cutting edge and a first side clearance cutting edge. The first cutting insert is attached to the bit body so that the first side clearance cutting edge radially extends past the peripheral surface of the bit body so as to engage the earth formation.
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