An object is to enhance the fuel economy performance of a tire while maintaining the outer appearance of the tire. The tire vulcanization mold 1 of the present invention includes a tread mold 2 having a tread molding surface 6, and side molds 3 having sidewall molding surfaces 7. A corner portion k1 of a butt surface 4 and the tread molding surface 6 of the tread mold 2 is rounded as a first arc 10. A corner portion k2 of a butt surface 5 and the sidewall molding surface 7 of the side mold 3 is rounded as a second arc 11. A radius of curvature R1 of the first arc 10 is 1.2 to 2.0 times a radius of curvature R2 of the second arc 11. The present invention also relates to a method for producing a tire and to a tire 20.
TIRE VULCANIZATION MOLD, METHOD FOR PRODUCING TIRE USING SAME, AND TIRE
REIFENVULKANISATIONSFORM, VERFAHREN ZUR REIFENHERSTELLUNG DAMIT UND REIFEN
MOULE DE VULCANISATION DE PNEU, PROCÉDÉ DE PRODUCTION DE PNEU L'UTILISANT ET PNEU
2022-06-01
Patent
Electronic Resource
English
Tire vulcanization mold, tire manufacturing method, and tire
European Patent Office | 2023
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