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    PNEUMATIC TIRE
    1.
    发明公开
    PNEUMATIC TIRE 有权
    LUFTREIFEN

    公开(公告)号：EP2181865A4

    公开(公告)日：2011-03-02

    申请号：EP08791923

    申请日：2008-07-30

    Applicant: BRIDGESTONE CORP

    Inventor： TSURUTA MAKOTO ,  YAMAGUCHI MASASHI ,  MIYASAKA ATSUSHI

    IPC: B60C13/00 ,  B60C17/00

    CPC classification number: B60C13/02 ,  B60C17/0009 ,  B60C99/00

    Abstract: The present invention includes a run-flat tire 1 comprising a plurality of turbulence generation ridges 20 which extend on a surface of a tire side portion 3 in a tire-radial direction and which are arranged at a pitch in a tire-circumferential direction and relationship Si > So is satisfied. Si is the sum of sidewall areas of all the turbulence generation ridges located at the inner side, in the tire-radial direction, of a maximum width position of the pneumatic tire. So is the sum of sidewall areas of all the turbulence generation ridges located at the outer side, in the tire-radial direction, of the tire maximum width position.

    Abstract translation: 本发明包括泄气保用轮胎1，其包括多个湍流产生用突条20，所述湍流产生用突条20沿轮胎径向在轮胎侧部3的表面上延伸，并且在轮胎周向上以间距排列， Si＆gt; 所以很满意。 Si是位于充气轮胎的最大宽度位置的轮胎径向内侧的所有湍流产生脊的侧壁面积的总和。 所有位于轮胎最大宽度位置的轮胎径向外侧的湍流产生脊的侧壁面积总和也是如此。

    PNEUMATIC RADIAL TIRE
    6.
    发明公开
    PNEUMATIC RADIAL TIRE 有权
    RADIALLUFTREIFEN

    公开(公告)号：EP1454766A4

    公开(公告)日：2008-06-18

    申请号：EP02780100

    申请日：2002-11-14

    Applicant: BRIDGESTONE CORP

    Inventor： TSURUTA MAKOTO

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

    CPC classification number: B60C9/28 ,  B60C9/18 ,  B60C9/2006 ,  B60C9/22 ,  B60C2009/1842 ,  B60C2200/06 ,  Y10T152/10783 ,  Y10T152/1081

    Abstract: The durability of a belt is improved by suppressing effectively interlayer separation between a belt layer 34 and both edge portions in the width direction of the width of a belt-reinforcing layer 41. Because both edges 45 in the width direction of a single inner belt ply 35a having the largest width are located outside, in the width direction, both edges 46 in the width direction of reinforcing plies 42a, 42b having the largest width, reinforcing elements in the belt ply do not cross at the outside, with respect to the width direction, of both edges 46 in the width direction. Accordingly, both edge portions in the width direction of the inner belt ply 35a are easily shortened in the width direction, and as a result, cross-sectional shearing deformation between both edge portions of the reinforcing plies 42a, 42b is reduced.

    Abstract translation: 通过有效地抑制带束层34和带束加强层41的宽度的宽度方向上的两个边缘部分之间的层间分离，带的耐久性得以改善。由于单个内带束层的宽度方向上的两个边缘45 35a的宽度最大的增强帘布层42a，42b的宽度方向两端缘46位于宽度方向外侧，因此，帘布层的增强元件相对于宽度方向的宽度 方向上的宽度方向上的两个边缘46。 因此，内带束层35a的宽度方向上的两个边缘部分在宽度方向上容易缩短，结果，增强帘布层42a，42b的两个边缘部分之间的横截面剪切变形减小。

    PNEUMATIC TIRE
    8.
    发明公开
    PNEUMATIC TIRE 有权
    LUFTREIFEN

    公开(公告)号：EP1541379A4

    公开(公告)日：2008-07-02

    申请号：EP03761786

    申请日：2003-06-24

    Applicant: BRIDGESTONE CORP

    Inventor： TSURUTA MAKOTO ,  YAMAGUCHI YUJI

    IPC: B60C9/20 ,  B60C9/22

    CPC classification number: B60C9/20 ,  B60C9/22 ,  Y10T152/10765 ,  Y10T152/10792 ,  Y10T152/10855

    Abstract: A pneumatic tire for heavy load. The tire is provided with effectively increased rigidity in the width direction so that a carcass does not break before other reinforcement members including a belt and a reinforcement layer break. Tread rubber is provided on the outer periphery side of a crown portion of a carcass. A belt formed by one or more belt layers is provided between the tread rubber and the carcass. Cords in the belt layers are extended with inclination in relation to the circumferential direction of the tire. One or more circumferential reinforcement layers comprising sinuate cords having a wavy or zigzag shape extending in the substantially circumferential direction of the tire are provided on the inner periphery side or outer periphery side of the belt or between the belt layers. One or more reinforcement layers in the width direction comprising linear cords extending in the direction perpendicular to the circumferential direction are provided at positions adjacent to the outer periphery side of the crown portion of the carcass.

    Abstract translation: 重载用充气轮胎。 该轮胎在宽度方向上具有有效提高的刚性，使得在包括带和加强层的其他加强构件破裂之前，胎体不会破裂。 胎面橡胶设置在胎体的胎冠部的外周侧。 在胎面胶和胎体之间设置由一个或多个带层形成的带。 带束层中的帘线相对于轮胎的圆周方向倾斜延伸。 在带的内周侧或外周侧或带层之间设置有一个或多个周向增强层，所述周向增强层包括具有在轮胎的大致周向方向上延伸的波浪形或锯齿形的波形帘线。 在宽度方向上的一个或多个增强层包括在与圆周方向垂直的方向上延伸的线性帘线，所述增强层设置在与胎体的胎冠部的外周侧相邻的位置处。

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