Patent ID: 8262522

Claim:
A V-ribbed power transmission belt exhibiting a toothing made of elastomer based on ethylene/α-olefin elastomer, wherein the toothing comprises a plurality of longitudinal V-shaped teeth each having a pair of converging sides and a vertex disposed therebetween, and wherein the converging sides of the toothing are coated with an antifriction film made of at least partially crosslinked thermoplastic comprising at least 30% of at least one low-density polyethylene having a molecular weight of between 50 000 and 200 000 g/mol, said film having an internal face coating the surface of the converging sides of the toothing and an external face defining an external surface of the coated belt, wherein said at least one low-density polyethylene is incorporated in a blend of polyolefins comprising said low-density polyethylene or in a copolymer based on said low-density polyethylene.