Motorized rotary swivel equipped with a dynamometric measuring unit
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United States of America Patent
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Dec 28, 1993
Grant Date -
N/A
app pub date -
Aug 7, 1992
filing date -
Oct 19, 1990
priority date (Note) -
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Abstract
A motorised rotary swivel for driving drill pipe in rotation is disclosed. The swivel includes a measuring unit for measuring a dynamometric behavior of the drill pipe which is mounted adjacent to the output of the motor between the motor and a torque wench assembly.
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