Patent ID: 10730257

Abstract:
A tire vulcanization mold disclosed herein includes sectors molding a tread portion of the tire and a pair of upper and lower side plates molding a sidewall portion of the tire. Mold parting lines formed by the sectors and a pair of the upper and lower side plates are located in the tread portion. A lateral groove molding rib molding a lateral groove in the tread portion is provided to bridge from the sector to the side plate and a protrusion molding recess used to mold a protrusion at a groove bottom of the lateral groove is provided to the lateral groove molding rib. Mold parting planes including the mold parting lines are provided to divide the lateral groove molding rib where the protrusion molding recess is not provided. An evacuation path from the protrusion molding recess to the mold parting plane is provided to the lateral groove molding rib.