Power transmission belt manufacture.

摘要

A power transmission belt manufacture wherein a modified rubber blend is utilized as at least one portion of the belt, with the blend including a.silane coupling agent, silica and carbon black. The blend is advantageously adapted for use as the cushion rubber embedding the load-carrying cords of the belt. The invention comprehends the use of the blend further as at least one of the compression and tension sections of the belt, as desired. The modified rubber blend is advantageously utilized in power transmission belts having widely varying configurations and characteristics.