Working roller with variable deflection control

Roll or roller – With inflatable chamber – Antideflection means

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Details

492 4, 492 7, 492 20, B21B 1302

Patent

active

054530695

ABSTRACT:
A working roller for applying pressure to a web of material interposed between the working roller and an opposing working surface includes a generally tubular roll-shell with bearings at each end thereof, a pair of stationary journals for supporting the roll-shell for rotation about its longitudinal axis, a stationary internal support structure, and a plurality of internal rollers which bear upon the inner wall of the roll-shell and are mounted to the internal support structure by a plurality of individually adjustable thrust-supports for controlling the outer contours of the roll-shell. The invention allows greater control of the outer contours of the roll-shell to compensate for localized, longitudinally asymmetrical deviations from the desired pressure distribution or spacing between the working roller and an opposing working surface or to permit predetermined, non-uniform pressure distributions or spacings between the working roller and an opposing working surface.

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