Apparatus for controlling the heating and cooling of a roll
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United States of America Patent
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Jan 14, 1992
Grant Date -
N/A
app pub date -
Jul 7, 1989
filing date -
Jul 7, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A hydraulically supported roll includes a stationary crosshead extending through a rotatable hollow roll, which is heated at its inner and outer circumferences. A thermostatic control and regulating device is provided to keep the temperatures at the inner circumference and the outer circumference of the hollow roll at the same level during the heatin-up and/or cooling-down phase.
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