| 摘要 |
PROBLEM TO BE SOLVED: To provide a rubber belt for transmitting power to improve the characteristics of a belt, such as lowering of torque, stress relaxing properties, and running stability etc, and realize running stability for a long period. SOLUTION: The rubber belt for transmitting power is an endless rubber belt for transmitting a power having no wadding to exert tension and consists of an upper layer part 11 formed of a high rigidity rubber material having rubber rigidity of 80 deg. or higher in JISA, and a lower layer part 12 formed of a low rigidity rubber material having rubber rigidity relatively lower than that of the high rigidity rubber material.
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