Method for hardfacing roller cone drill bit legs
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United States of America Patent
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-
Apr 5, 2005
Grant Date -
Oct 31, 2002
app pub date -
Apr 3, 2002
filing date -
Apr 27, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method is disclosed for applying hardfacing to a shirttail portion of a roller cone drill bit, including masking around the shirttail portion of the bit and operating a high pressure/high velocity oxygen fuel torch to apply the hardfacing to the shirttail portion.
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