发明名称 Tire vulcanizing mold and pneumatic tire
摘要 There is provided a tire vulcanizing mold capable of smoothly and surely forming narrow-width grooves in a treading face without causing the damage, breakage and the like of projections for the formation of the grooves in a sector mold and land portions in the tread, which comprises a plurality of sector molds arranged at predetermined pitches in a circumferential direction and displacing in synchronization with each other in extension and retraction directions to conduct the vulcanization of a tire tread portion, wherein a projection for the formation of the groove formed in an inner surface of each of the sector molds is projected from the inner surface of the sector mold in a direction substantially parallel to a displacing direction of the respective sector mold.
申请公布号 US7329110(B2) 申请公布日期 2008.02.12
申请号 US20050555415 申请日期 2005.11.03
申请人 BRIDGESTONE CORPORATION 发明人 MIYAMAE NAOSUKE
分类号 B29C35/02;B29D30/06;B60C11/04 主分类号 B29C35/02
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