Welded steel pipe manufacturing apparatus and method
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United States of America Patent
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Oct 7, 1997
Grant Date -
N/A
app pub date -
Jun 10, 1996
filing date -
Jun 12, 1995
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
In welded pipe manufacturing a steel strip is fed and bent by forming rolls into a pipe. A load detector is provided for a roll rotary shaft of each forming roll; a forming roll inclination adjustment device inclines the roll rotary shaft. The roll shaft load is measured to cause inclining of the rotary shaft counterclockwise or clockwise on a plane formed by the rotational axis of the forming roll and the advancing direction of the steel strip.
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