Process and apparatus for monitoring backspringing when bending an elongated element such as a pipe
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United States of America Patent
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-
Dec 25, 1990
Grant Date -
N/A
app pub date -
Apr 21, 1989
filing date -
Apr 21, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Process and apparatus for monitoring the backspringing of an elongated deformable elongated element while the element is bend by winding around a forming component. The element is clamped in a section located forward of the bend to be made. After the bend is made, the front section of the element remains clamped while the back section of the element is released. The backspringing value is determine by means of a sensor which makes a measurement on the back section of the element. The backspringing value is detected during a rotation of the element and the forming component around the axis of the bend by detecting when the back section reaches a predetermined position. This process makes it possible to continue bending of the element after detecting the backspringing value.
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