Patent ID: 6656073
Filing Date: 2003-12-02
Classification: F16G

Abstract:
A toothed belt, wherein the toothed portion is covered with a cover cloth (5) comprising a weft (6) and a warp (7); said weft (6) consisting of weft yarns, said weft yarns comprising an elastic core yarn (8) and two composite yarns (9) wound about said elastic yarn (8); each said composite yarn (9) comprising a high thermal and mechanical resistance yarn (10), and at least one covering yarn (11) wound about the high thermal and mechanical resistance yarn (10); said cover cloth (5) having been treated with an adhesive composition; characterized in that said adhesive composition comprises resorcinol, formaldehyde, a highly saturated, carboxyl groups containing nitrile and conjugated diene copolymer latex, and aromatic epoxy resins.