Leveling roll

Claim 1

A LEVELING ROLL FOR LEVELING MOLTEN SHEET MATERIAL AND THE LIKE BY CONTACTING SAID MATERIAL IN ROLLING ENGAGEMENT AT A WORK-ENGAGING PORTION OF THE LONGITUDINAL EXTENT OF THE LEVELING ROLL, COMPRISING COAXIAL INNER AND OUTER ROLL MEMBERS, THE RATIO OF THE STRESS MOMENT OF THE INNER ROLL MEMBER TO THE STRESS MOMENT OF THE OUTER ROLL MEMBER BEING AT LEAST UNITY FOR ALL ROLL CROSS-SECTIONS ALONG THE WORK-ENGAGING PORTION OF THE LONGITUDINAL EXTENT OF SAID LEVELING ROLL, THE TRANSVERSE CROSS-SECTIONAL AREA OF SAID OUTER ROLL MEMBER BEING AT LEAST AS GREAT AT THE LONGITUDINAL CENTER OF SAID LEVELING ROLL AS AT OTHER LOCATIONS ALONG THE WORK-ENGAGING PORTION OF THE LONGITUDINAL EXTENT OF SAID LEVELING ROLL, AND SAID OUTER ROLL MEMBER BEING FURTHER CHARACTERIZED BY THE ABSENCE OF LONGITUDINALLY AND ANNULARLY EXTENDING SEAMS ALONG THE WORK-ENGAGING PORTION OF THE LONGITUDINAL EXTENT OF SAID LEVELING ROLL, MEANS MOUNTING SAID OUTER ROLL MEMBER IN SHRINK-FITTED RELATIONSHIP WITH SAID INNER ROLL MEMBER FOR LONGITUDINAL GROWTH WITH RESPECT THERETO COMPRISING A PLURALITY OF LONGITUDINALLY EXTENDING FLUTES DISTRIBUTED AROUND THE PERIPHERY OF SAID INNER ROLL MEMBER PARALLEL TO THE AXIS THEREOF, A PLURALITY OF PASSAGES EACH DEFINED BETWEEN AN ADJACENT PAIR OF SAID FLUTES AND EXTENDING LONGITUDINALLY WITHIN SAID LEVELING ROLL BETWEEN THE ENDS THEREOF, SEAL ESTABLISHING MEANS ASSOCIATED WITH EACH END OF SAID LEVELING ROLL BETWEEN EACH END PORTION OF SAID OUTER ROLL MEMBER AND THE CORRESPONDING LONGITUDINAL PORTION OF SAID INNER ROLL MEMBER FOR CONTAINING THE COOLANT AGAINST LEAKAGE FROM THE ENDS OF SAID LONGITUDINALLY EXTENDING PASSAGES TO THE EXTERIOR OF SAID ROLL MEANS WHILE ACCOMMODATING SAID LONGITUDINAL GROWTH OF SAID OUTER ROLL MEMBER WITH RESPECT TO SAID INNER ROLL MEMBER, SAID SEAL ESTABLISHING MEANS COMPRISING FOR EACH END OF SAID LEVELING ROLL A SEALING-BORE-DEFINING ANNULUS ASSOCIATED WITH SAID OUTER ROLL MEMBER, AND A SEALINGPLUNGER-DEFINING MALE PERIPHERY ASSOCIATED WITH SAID INNER ROLL MEMBER IN MATING SLIDING AND SEALING ENGAGEMENT WITH SAID ANNULUS, SAID INNER ROLL MEMBER HAVING A JOURNAL SHAFT PORTION FORMED TOWARD END END THEREOF AND SAID INNER ROLL MEMBER EXTENDING AS A CONTINUOUS INTEGRAL EXTENSION ENTIRELY ALONG THE LENGTH OF SAID LEVELING ROLL FROM ONE SAID JOURNAL SHAFT PORTION TO THE OTHER, PASSAGEWAYS DEFINED IN SAID INNER ROLL MEMBER AND COMMUNICATING FROM AT LEAST ONE OF SAID JOURNAL SHAFT PORTIONS TO SAID LONGITUDINALLY EXTENDING PASSAGES.