Bead core and pneumatic tire
    269.
    发明专利
    Bead core and pneumatic tire 有权
    珠芯和气动轮胎

    公开(公告)号:JP2013129407A

    公开(公告)日:2013-07-04

    申请号:JP2011282289

    申请日:2011-12-22

    CPC classification number: D07B1/062 D07B2201/2002 D07B2501/2053

    Abstract: PROBLEM TO BE SOLVED: To provide a bead core having sufficient rotation stiffness and an excellent shape retaining property, and to provide a pneumatic tire high in the durability of a bead.SOLUTION: The bead core for a tire comprises an annular body formed by winding a plurality of bead wires arranged in contact with and parallel to one another. The bead wire has a hexagonal cross-sectional shape, and between bead wires adjacent to each other, two of six vertexes in one hexagon are in contact with two vertexes of the other. The pneumatic tire includes the bead core.

    Abstract translation: 要解决的问题:提供一种具有足够的旋转刚性和优异的形状保持性能的胎圈芯,并且提供具有高的胎圈耐久性的充气轮胎。解决方案:轮胎胎圈芯包括通过缠绕形成的环形体 布置成彼此接触并平行的多个胎圈丝。 胎圈丝具有六边形横截面形状,并且在彼此相邻的胎圈丝之间,六边形中的六个顶点中的两个与另一个的两个顶点接触。 充气轮胎包括胎圈芯。

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