Pipe gripping die
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United States of America Patent
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Oct 26, 1999
Grant Date -
N/A
app pub date -
Aug 15, 1997
filing date -
Aug 19, 1996
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Abstract
A method for the construction of die members used in slips and elevators in the oil and gas industry for griping pipe. The die having nickel plated teeth with no mud grooves reduces die penetration thereby reducing stress cracking and carbon transfer in nickel alloy pipe thus reducing pipe corrosion.
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