Drill bit with canted gage insert
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United States of America Patent
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-
Nov 4, 2003
Issued Date -
N/A
app pub date -
Jun 30, 1998
filing date -
Apr 10, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A rolling cone drill bit is provided that has gage inserts on the first row from the bit axis to cut to full gage diameter that have a cutting portion enhanced with a layer of super abrasive material. The gage cutting surface has a center axis that is canted to be more normal to the gage curve such that its point of contact at gage is away from the thinner portion of the layer of super abrasive material.
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