发明名称 Pneumatic tires
摘要 A pneumatic tire has a bead core consisting of a single core and plural sheath layers formed by helically winding plural sheath wires around the core, in which an end count of sheath wires in an outermost sheath layer is made smaller than an end count at a close-packed state or each sheath wire constituting a second sheath layer from an outermost side is covered with a coating rubber prior to the winding.
申请公布号 US2001050127(A1) 申请公布日期 2001.12.13
申请号 US20010800787 申请日期 2001.03.08
申请人 SHOYAMA YOSHINOBU 发明人 SHOYAMA YOSHINOBU
分类号 B60C15/04;(IPC1-7):B60C15/04 主分类号 B60C15/04
代理机构 代理人
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