Dynamic seal for rolling cutter drill bit
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United States of America Patent
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-
Dec 22, 1981
Grant Date -
N/A
app pub date -
Jul 24, 1980
filing date -
Jul 24, 1980
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A dynamic seal is disclosed for sealing between a rotating cutter and a drill bit journal in an underground formation drilling bit, which seal utilizes a static elastomeric seal ring abutting a metal seal ring having a dynamic sealing face.
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