Invention Grant
US09011283B2 Friction drive belt 有权
摩擦传动皮带

Friction drive belt
Abstract:
A friction drive belt has a pulley contact portion of a belt body, and at least the pulley contact portion is made of a rubber composition. Numerous pores are formed in a surface of the pulley contact portion of the belt body, and numerous small protrusions having an average height of 4-40 μm are formed to protrude from the surface.
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