Sharp gage for mill tooth rock bits
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United States of America Patent
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Aug 20, 2002
Issued Date -
N/A
app pub date -
Feb 1, 2001
filing date -
Apr 1, 1999
priority date (Note) -
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status (Latency Note)
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Abstract
A design for a gage tooth of the milled tooth variety is provided. The gage facing surface of each tooth is shaped so that only a narrow surface of each tooth contacts the borehole wall. Adjacent areas on each tooth slope away from the wall. The narrow gage facing surfaces, the sloping areas, and other areas are all covered with a suitable hard metal facing material.
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