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    PNEUMATIC RADIAL TIRE
    1.
    发明申请
    PNEUMATIC RADIAL TIRE 有权
    气动辐射轮胎

    公开(公告)号：US20100294410A1

    公开(公告)日：2010-11-25

    申请号：US12528399

    申请日：2008-02-12

    Applicant: Yusuke Yoshikawa

    Inventor： Yusuke Yoshikawa

    IPC: B60C9/28 ,  B60C11/00 ,  B60C9/00 ,  B60C9/18

    CPC classification number: B60C9/28 ,  B60C9/2006 ,  B60C9/2009 ,  B60C9/2204 ,  B60C11/0083 ,  B60C2009/2012 ,  B60C2009/283 ,  B60C2009/286 ,  Y10T152/10765 ,  Y10T152/10783 ,  Y10T152/10792

    Abstract: The present invention provides a pneumatic radial tire capable of effectively improving belt durability, while ensuring good resistance to wear at a tread surface. The pneumatic radial tire comprises: a carcass 5 of a toroidal shape engagedly held between at least one pair of bead cores 4; two belt reinforcing layers 8a, 8b constituted of a reinforcing element extending in the tire circumferential direction and provided on the outer side of a crown region of the carcass 5 and on the inner side of a tread rubber 7; and a belt 10 formed by two belt layers 9a, 9b and provided on the outer side in the tire radial direction of the belt reinforcing layer, belt cords of one belt layer and those of another belt layer extending in directions opposite to each other with respect to the tire equatorial plane E, wherein the width w1 of a belt cord intersecting region defined by the two belt layers 9a, 9b is set in the range of 65 to 90% of the tire width W, the maximum width w0 of the belt reinforcing layer 8a, 8b is set in the range of 60 to 85% of the tire width W, and a belt radius ratio, which is a ratio of difference (R0-R1) between the radius (R0) of the belt at the tire equatorial plane and the radius (R1) of the belt at a belt side end position thereof measured from the tire axis in a state where the tire is inflated at the standard inner pressure, with respect to a belt half width (w/2), is not larger than 0.06.

    Abstract translation: 本发明提供一种能够有效地提高皮带耐久性的充气子午线轮胎，同时确保在胎面表面具有良好的耐磨性。 充气子午线轮胎包括：胎圈5，其具有接合地保持在至少一对胎圈芯4之间的环形形状; 两个带束加强层8a，8b，由沿轮胎周向延伸的增强元件构成，设置在胎体5的胎冠区域的外侧，胎面橡胶7的内侧; 以及由带束层增强层的轮胎径向的外侧设置的两个带束层9a，9b形成的带10，一个带束层的带束帘线和沿着彼此相反的方向延伸的另一个带束层的带束帘线 对于轮胎赤道面E，其中由两个带束层9a，9b限定的带束帘线相交区域的宽度w1设定在轮胎宽度W的65％至90％的范围内，带束加强件的最大宽度w0 层8a，8b设定在轮胎宽度W的60〜85％的范围内，以及作为轮胎赤道处的带的半径（R0）的差（R0-R1）的比率的带半径比 相对于带半宽度（w / 2），在轮胎以标准内压膨胀的状态下从轮胎轴线测量的带的腰带的半径（R1）为 不大于0.06。

    Pneumatic radial tire
    2.
    发明授权
    Pneumatic radial tire 有权
    气动子午线轮胎

    公开(公告)号：US09499010B2

    公开(公告)日：2016-11-22

    申请号：US12528399

    申请日：2008-02-12

    Applicant: Yusuke Yoshikawa

    Inventor： Yusuke Yoshikawa

    IPC: B60C9/18 ,  B60C9/20 ,  B60C9/22 ,  B60C9/28 ,  B60C11/00

    CPC classification number: B60C9/28 ,  B60C9/2006 ,  B60C9/2009 ,  B60C9/2204 ,  B60C11/0083 ,  B60C2009/2012 ,  B60C2009/283 ,  B60C2009/286 ,  Y10T152/10765 ,  Y10T152/10783 ,  Y10T152/10792

    Abstract: A pneumatic radial tire including a carcass; two belt reinforcing layers; and a belt formed by two belt layers. A width of a belt cord intersecting region defined by the two belt layers is set in the range of 65 to 90% of the tire width-W, the maximum width of the belt reinforcing layer is set in the range of 60 to 85% of the tire width. Also, a belt radius ratio, which is a ratio of difference between the radius of the belt at the tire equatorial plane and the radius of the belt at a belt side end position thereof measured from the tire axis in a state where the tire is inflated at the standard inner pressure, with respect to a belt half width, is not larger than 0.06.

    Abstract translation: 一种包括胎体的充气子午线轮胎; 两个皮带增强层; 以及由两个带束层形成的带。 由两个带束层限定的皮带帘线相交区域的宽度设定在轮胎宽度-W的65〜90％的范围内，带束层增强层的最大宽度被设定在60〜85％的范围内 轮胎宽度。 此外，作为轮胎赤道面的带的半径与轮胎轴向膨胀后的轮胎轴线的带侧端部处的带的半径的差的比率的带半径比， 在标准内压下，相对于皮带半宽度，不大于0.06。

    PNEUMATIC TIRE
    3.
    发明申请
    PNEUMATIC TIRE 有权
    气动轮胎

    公开(公告)号：US20120018071A1

    公开(公告)日：2012-01-26

    申请号：US13259891

    申请日：2010-04-14

    Applicant: Fumio Takahashi ,  Souto Nakayama

    Inventor： Fumio Takahashi ,  Souto Nakayama

    IPC: B60C9/02

    CPC classification number: B60C3/04 ,  B60C3/00 ,  B60C9/0292 ,  B60C9/08 ,  B60C9/28 ,  B60C15/0009 ,  B60C2009/286 ,  Y02T10/862 ,  Y10T152/10855

    Abstract: Provided is a pneumatic tire having a high partial wear resistance and a low rolling resistance. In a cross section in a tire width direction when the tire is mounted on a prescribed rim (7), a belt has a flat shape in the tire width direction, the height (SWh) of the position where the tire width is the maximum is more than half the cross-sectional height (SH) of the tire, and a path length (CSR1) of the carcass from an intersection (I1) between a line segment bisecting a radial distance (CHS) between the radially outermost end of the carcass (2) and radially outermost end of the bead core (1) and extending parallel to a rotation axis of the tire, and the carcass, to an intersection (I2) between a line segment drawn perpendicular from an end in the width direction of the narrowest slant belt layer (3a) to the rotation axis of the tire, and the carcass (2), is longer than a path length (CSR2) of the carcass from the intersection (I1) to an intersection (I3) between a line segment connecting the radially outer most ends of both of the bead cores 1 and the carcass (2).

    Abstract translation: 提供了一种具有高的部分耐磨性和低滚动阻力的充气轮胎。 在轮胎安装在规定的轮辋（7）上的轮胎宽度方向的横截面中，带子在轮胎宽度方向上呈平坦状，轮胎宽度最大的位置的高度（SWh）为 轮胎的横截面高度（SH）的一半以上，胎体的路径长度（CSR1）与胎体的径向最外端之间的径向距离（CHS）之间的交点（I1）之间的交点（I1） （2）和胎圈芯（1）的径向最外端并且平行于轮胎的旋转轴线延伸并且胎体延伸到在垂直于在该胎圈芯的宽度方向上的端部垂直绘制的线段之间的交叉点 相对于轮胎的旋转轴线和胎体（2）的最狭窄的倾斜带束层（3a）比胎体从路口长度（CSR2）到交叉路口（I1）到线段 连接两个胎圈芯1的径向最外端和胎体（2）。

    Pneumatic tire with specified carcass curvature
    4.
    发明授权
    Pneumatic tire with specified carcass curvature 有权
    具有特定胎体曲率的气动轮胎

    公开(公告)号：US08752601B2

    公开(公告)日：2014-06-17

    申请号：US13259891

    申请日：2010-04-14

    Applicant: Fumio Takahashi ,  Souto Nakayama

    Inventor： Fumio Takahashi ,  Souto Nakayama

    IPC: B60C3/04 ,  B60C3/00 ,  B60C9/02 ,  B60C9/28 ,  B60C15/00

    CPC classification number: B60C3/04 ,  B60C3/00 ,  B60C9/0292 ,  B60C9/08 ,  B60C9/28 ,  B60C15/0009 ,  B60C2009/286 ,  Y02T10/862 ,  Y10T152/10855

    Abstract: In a cross section in a tire width direction when a tire is mounted on a prescribed rim (7), a belt has a flat shape in the tire width direction, the height (SWh) of the position where the tire width is the maximum is more than half the cross-sectional height (SH) of the tire, and a path length (CSR1) of the carcass from an intersection (I1) to an intersection (I2), is longer than a path length (CSR2) of the carcass from the intersection (I1) to an intersection (I3).

    Abstract translation: 在将轮胎安装在规定的轮辋（7）上的轮胎宽度方向的截面中，带子在轮胎宽度方向上呈平坦状，轮胎宽度最大的位置的高度（SWh）为 轮胎的横截面高度（SH）的一半以上，胎体从交点（I1）到交点（I2）的路径长度（CSR1）长于胎体的路径长度（CSR2） 从交点（I1）到交点（I3）。

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