Belt comprising a textile covering

摘要

The invention relates to a power transmission belt having an elastic foundational body based on a thermoplastic elastomer or on a vulcanizate and having a belt surface bearing a textile covering. The textile covering is a fabric comprising a plurality of first yarns interspersed with a plurality of second yarns, wherein the first yarns comprise a first resilient core and at least one synthetic fibre thread wrapped around the first resilient core to form a first covered yarn, and wherein the second yarns comprise a second resilient core and at least one resistant fibre thread wrapped around the second resilient core to form a second covered yarn. In a preferred embodiment, the at least one resistant fibre thread comprises an aromatic polyamide.