发明名称 Pneumatic tire for motorcycle
摘要 A tire ( 22 ) according to the present invention includes a pair of beads ( 28 ), a carcass ( 30 ) and a belt ( 32 ). An absolute value of an angle formed by a carcass cord of the carcass ( 30 ) with respect to a circumferential direction is equal to or greater than 60 degrees and is equal to or smaller than 90 degrees. A belt ply ( 50 ) of the belt ( 32 ) is constituted by a center portion ( 52 ) and a pair of side portions ( 54 ) positioned on an outside in an axial direction of the center portion ( 52 ). A ratio of a perimeter of the center portion ( 52 ) to that of the side portion ( 54 ) is equal to or higher than 10% and is equal to or lower than 50%. The center portion ( 52 ) includes a center cord which is spirally wound in a substantially circumferential direction and is formed of steel. The side portion ( 54 ) includes a side cord which is spirally wound in the substantially circumferential direction and is formed by an aramid fiber.
申请公布号 US2008017290(A1) 申请公布日期 2008.01.24
申请号 US20070785016 申请日期 2007.04.13
申请人 SUMITOMO RUBBER INDUSTRIES, LTD. 发明人 SHIBAMOTO SHOHEI
分类号 B60C9/02 主分类号 B60C9/02
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