Drill bit lubrication system
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United States of America Patent
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-
May 3, 1983
Grant Date -
N/A
app pub date -
Oct 3, 1980
filing date -
Oct 3, 1980
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A lubrication system is disclosed for a rolling cutter drill bit, which system utilizes solid or semi-solid sticks of lubricants located in internal channels and continuously biased against rotating surfaces in the bit.
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