Patent ID: 8297965
Filing Date: 2012-10-30
Classification: B29C,Y10T

Abstract:
1. A touch roll, comprising: a center rotary shaft rotatably supported by bearing members; fixed end plates concentrically disposed respectively in two places which are away from each other in an axial direction of the center rotary shaft; an external cylinder made of a metal film, and rotatably supported, at two ends thereof, by the respective fixed end plates, the external cylinder being concentric with the center rotary shaft; and a plurality of rolling rubber rolls each rotatably supported, at two ends thereof, by the respective fixed end plates, the rolling rubber rolls being in sliding contact with an outer peripheral surface of the center rotary shaft, and being in sliding contact with an inner peripheral surface of the external cylinder, wherein the rolling rubber rolls divide an annular space between the external cylinder and the center rotary shaft into a plurality of heating medium chambers arranged in a circumferential direction of the touch roll, and the rolling rubber rolls are configured in a way that each of the plurality of heating medium chambers is filled with a heating medium.