Patent ID: 9644706
Date: 2017-05-09
CPC Classifications: B29D,B29L,F16G

Claim:
1. A power transmission belt, comprising: a power transmission zone of polyurethane, a textile overlay having an interior and an exterior surface, wherein the polyurethane of the power transmission zone extends into the interior of the textile overlay, a first coating of a first thermoplastic material having a melting temperature of from 80° C. to about 145° C. on the exterior surface of the textile overlay, wherein the first coating at least partly penetrates into the textile overlay and forms an impregnation in the textile overlay, and wherein the first thermoplastic material is a copolyamide, and a second coating of a second thermoplastic material on the first coating, wherein a melting temperature of the second thermoplastic material is higher than that of the first thermoplastic material.