Drill bit having improved cutter configuration
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Apr 3, 1990
Grant Date -
N/A
app pub date -
Jun 9, 1988
filing date -
Jun 9, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The subject drill bits include a body member with cutter blades having a generally parabolic bottom profile. The cutter blades each include a diamond cutting face which increases in vertical height generally as a function of increased distance from the center line of the bit. The increased height allows the bits to provide a desired total diamond cutting volume at each radius of the bit, while allowing the diamond contact area to remain generally constant as the bit wears.
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