| abstract |
The present invention relates to a friction transmission belt provided with an adhesive rubber layer which is in contact with at least a part of a core extending in the lengthwise direction of the belt, wherein the adhesive rubber layer is formed from a first vulcanized rubber composition containing a rubber component and a filler, the filler contains substantially no silica and contains at least 30 parts of carbon black by mass per 100 parts of the rubber component by mass, and the core has an overcoat layer on the surface formed from a second vulcanized rubber composition that contains a rubber component and silica. |