Winder liner for an unvulcanized rubber material

摘要

A winding liner for an unvulcanized rubber material includes a belt-shape inextensible loading member for loading an unvulcanized rubber material and spacers provided at both widthwise direction sides of one surface of the loading member along a lengthwise direction of the loading member. The loading member and the spacers are made of metal and are formed into a plate shape having flexibility. The spacers have protruding portions protruding from the one surface of the loading member, the protruding portions being disposed at predetermined intervals in the lengthwise direction of the loading member.