A tire vulcanization mold comprises a ring shaped tread mold which comprises a plurality of segments, each segment with a radially inner face and a pair of end faces each of which extends from a circumferential end of the inner face toward radially outwardly of the tire, the segments arranged in a circumferential direction of the tire to have a substantially continuous tread molding face by connecting inner faces one another, each inner face of segments comprising a circumferentially extending rib, a laterally extending rib, and blades for molding sipes, the blades including three dimensional blades which comprises a first blade with a thickness not more than 0.3 mm and a second blade with a thickness of from 0.4 to 0.6 mm arranged in one of the circumferentially end regions.
Tire vulcanization mold and method for manufacturing tire
2018-10-16
Patent
Electronic Resource
English
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