Patent ID: 8365791

Claim:
An apparatus of adhering belt edge tapes made of a rubber material which are interposed between a plurality of layers of belts containing inclined reinforcing cords therein to both side edge portions of a belt adhered to an outer peripheral surface of a building drum during one step of tire building, wherein the apparatus includes a supply device which faces the building drum capable of being rotated in the forward and reverse directions in an opposed manner and supplies the belt edge tape toward the outer peripheral surface of the building drum along with the rotation of the building drum, a pair of upper and lower press rollers capable of performing a pressing operation respectively is mounted on upper and lower portion of the supply device such that the press rollers are respectively allowed to press the belt edge tape to the outer peripheral surface of the building drum, and the upper and lower press rollers are arranged such that the press rollers press the belt edge tape only on a leading side in the rotational direction of the building drum along with the forward or reverse rotation of the building drum, the upper and lower press rollers being symmetrically mounted with respect to the supply device on said upper and lower portion, and wherein the building drum is controlled to be rotated in the direction that end portions of the cords on the one and other side edge portions of the belt which each constitute a tape adhering side of the belt adhered to the outer peripheral surface of the building drum are positioned on a trailing side in the rotational direction of the building drum.