Patent ID: 8182256

Claim:
A sheet or film forming roll comprising: a central rotational shaft rotatively supported by bearing members; stationary end plates respectively concentrically arranged at end portions of the central rotational shaft; a metallic filmed outer tube supported by the stationary end plates at both ends thereof to be rotative concentrically to the central rotational shaft; a plurality of rolling rubber rolls each rotatively supported at both ends thereof by the stationary end plates and adapted for a sliding contact with an outer circumferential surface of the central rotational shaft and a sliding contact with an inner circumferential surface of the outer tube; and a plurality of heat medium chambers defined by outer circumferential surfaces of the rolling rubber rolls, the inner circumferential surface of the outer tube, and the outer circumferential surface of the central rotational shaft, the plurality of heat medium chambers being each respectively configured for individual conduction of heat medium.