PURPOSE: To effectively prevent cake from adhering to the surface of a pulley by integratedly-affixing ultrahigh-molecular weight polyethylene sheet which is higher than specific molecular weight to the surface of a low hardness rubber sheet by means of thermal fusion.

CONSTITUTION: A low hardness rubber sheet 4 is wound around the outer periphery of a driving pulley 2 on which the belt body 3 of a belt conveyer 1 is wound. An ultrahigh-molecular weight polyethylene sheet 5 whose molecular weight is more than one million is integratedly formed at the surface of the low hardness rubber sheet 4 with such a thickness as not impairing flexibility, for example, 0.05mm-1.0mm, by means of thermal fusion with an electric soldering iron, a heat press or the like. The polyethylene sheet 5 is excellent in abrasion resistance. When heat higher than 140°C is applied, the sheet is melted, so that strong adhesive force to the low hardness rubber sheet 4 can be achieved. It is thus possible to prevent cake from adhering to the surface of the pulley effectively, and improve abrasion resistance without impairing necessary rubber elasticity.