| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a roll structure in which starting torque and dynamic torque in a roll member can be reduced and a flowing path of a compressed medium can be simply and securely formed. <P>SOLUTION: The roll structure of the invention rotatably receives the roll member 16 through roller bearings 12 and ball bearings 13 arranged on the outer periphery of a roll shaft 10 with a compressed media supplying path 11. A turbine-shaped portion 17 receiving the compressed media supplied from the compressed media supplying path 11 and provide rotation force to the roll member 16 is equipped in the roll member 16. <P>COPYRIGHT: (C)2004,JPO |
