Patent ID: 8097201

Claim:
A bisplit mold for tire forming including: a pair of superior and inferior containers which are formed by being vertically split into superior and inferior halves at a substantial center in a height direction and which come close to and separate away from each other; ring-shaped container rings which are provided respectively to the containers in the tire circumferential direction; a plurality of segments which are provided to each of the containers, and formed by being divided in the tire circumferential direction, the segments each engaging with the corresponding container ring so as to be slidable on an inclined plane formed in the container ring; opening-closing means which are provided to the respective containers, and cause the superior and the inferior segments to come close to and separate away from each other, the superior and the inferior segments being attached to the pair of superior and inferior containers with vertically bisplit center plates placed between the pair of superior and inferior containers; a superior side plate and an inferior side plate which are attachably and detachably provided respectively to the pair of superior and inferior containers; and vertically bisplit mold pieces for tire forming which are provided to each of the containers, and attachably and detachably provided to the inner sides of the segments, respectively, wherein slide unit means are provided respectively in sliding portions formed between the superior segments and a superior one of the vertically bisplit center plates and between the inferior segments and an inferior one of the vertically bisplit center plates, the slide unit means being configured to slide the superior and the inferior segments towards a center axis of the tire, inclined guide pins stick out from the pair of superior and inferior containers to the inner side of the pair of superior and inferior containers, and the guide pins are slidably fitted respectively into guide holes formed in the corresponding segments.