A tire mold (20) includes a mold surface for vulcanizing and molding a tire (10), and a blade (26) for vulcanizing and molding a sipe (14) formed in the mold surface. The blade (26) includes a concave-convex surface in which a plurality of convex portions (30) formed adjacent to each other and a plurality of concave portions (40) formed between the adjacent convex portions (30) adjacent to each other are formed. A length of the concave portion (40) is smaller than a length of the convex portion (30) in a concave-convex surface view. The concave portion (40) is sharp in a depth direction of the concave portion (40).
TIRE MOLD AND TIRE
REIFENFORM UND REIFEN
MOULE POUR PNEU ET PNEU
2020-08-26
Patent
Electronic Resource
English