Rotatable cutting bit assembly with cutting inserts
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Aug 29, 2000
Grant Date -
N/A
app pub date -
Jul 15, 1997
filing date -
Jul 15, 1997
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A rotatable cutting bit which comprises an elongate bit body which has a forward end and a rearward end and which defines a peripheral surface. The bit body contains a first seat at the axially forward end thereof. A first cutting insert is mechanically retained in the seat so as to present a clearance cutting edge which radially extends past the peripheral surface of the bit body. The first cutting insert has a leading cutting edge disposed at a lead angle between 50 degrees and 80 degrees.
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