Patent ID: 8215938

Claim:
A tire forming mold for vulcanization forming by being brought into contact with an outer surface of a tire which is provided with a side rubber layer of a first color arranged in an outer side of a carcass ply of a side wall portion, a different color rubber layer of a second color arranged in adjacent to an outer side of the side rubber layer, and a cover rubber layer of the first color arranged in adjacent to an outer side of the different color rubber layer, the tire forming mold comprising: a rubber inflow portion for forming a protrusion portion in an outer surface of the tire by inflowing the different color rubber layer and the cover rubber layer, in the contact surface with the tire, wherein a cross sectional shape of the rubber inflow portion is constructed by a neck portion extending from an inflow port, and a round, concave head portion that is enlarged from the neck portion, the neck portion becoming constantly narrower in a linear fashion in the direction of the head portion.