Patent ID: 9695907
Date: 2017-07-04
CPC Classifications: B29C,B29D,B29K,B29L,B60C,F16G

Claim:
1. A frictional power transmission belt comprising an extensible layer forming a belt back surface, a compressive rubber layer formed on one surface of the extensible layer and frictionally engaging at the lateral surface thereof with pulleys, and a tension member embedded between the extensible layer and the compressive rubber layer along a belt length direction, wherein all of the lateral surface of the compressive rubber layer that is to be frictionally engaged with pulleys is coated with a fiber/resin mixture layer that comprises a resin component and heat-resistant fibers having a softening point or a melting point higher than a vulcanization temperature in a mixed state, and the heat-resistant fibers contain a fiber embedded so as to extend from the fiber/resin mixture layer to the compressive rubber layer, and wherein at least some of the heat-resistant fibers are exposed out of the surface of the fiber/resin mixture layer.