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    PNEUMATIC TIRE
    1.
    发明申请
    PNEUMATIC TIRE 审中-公开
    气动轮胎

    公开(公告)号：US20130081746A1

    公开(公告)日：2013-04-04

    申请号：US13629831

    申请日：2012-09-28

    Applicant: Makoto Yoshikawa

    Inventor： Makoto Yoshikawa

    IPC: B60C13/04

    CPC classification number: B60C13/04 ,  B60C15/0036 ,  B60C15/0628 ,  B60C2015/061 ,  B60C2015/0642 ,  B60C2015/066 ,  B60C2015/0664 ,  B60C2015/0671 ,  B60C2015/0689 ,  B60C2015/0692

    Abstract: A pneumatic tire including a white rubber part arranged outward in a tire radial direction than an outer edge of a bead filler in a side wall part, a white letter part projecting from the white rubber part, and a side reinforcement layer extending in a tire radial direction from a bead part is disclosed. An outer peripheral edge of the side reinforcement layer is located outward in a tire radial direction than an inner peripheral edge of a white letter part. When a length in a tire radial direction of from an inner peripheral edge of a bead core to the inner peripheral edge of the white letter part is H1, a length in a tire radial direction of from the inner peripheral edge of the bead core to the outer peripheral edge of the side reinforcement layer is H2, and a length in a tire radial direction of the white letter part is T, (H2−H1)/T is set to be 0.3 or more.

    Abstract translation: 一种充气轮胎，其包括在轮胎径向上向外布置的白色橡胶部分，其比侧壁部分中的胎圈填料的外边缘，从白色橡胶部分突出的白色字体部分和在轮胎径向延伸的侧面加强层 公开了从胎圈部分的方向。 侧面加强层的外周边缘位于比白色字母部分的内周边沿轮胎径向外侧。 当从胎圈芯的内周缘到白色字母部的内周缘的轮胎径向的长度为H1时，轮胎径向从胎圈芯的内周缘到胎圈芯的长度 侧面加强层的外周边缘为H2，白色字母部分的轮胎径向长度为T，（H2-H1）/ T设定为0.3以上。

    Pneumatic tire
    3.
    发明授权
    Pneumatic tire 有权

    公开(公告)号：US11999200B2

    公开(公告)日：2024-06-04

    申请号：US17284624

    申请日：2019-10-07

    Applicant: The Yokohama Rubber Co., LTD.

    Inventor： Koji Nishio

    IPC: B60C15/06 ,  B60C15/00

    CPC classification number: B60C15/0635 ,  B60C15/0009 ,  B60C15/0603 ,  B60C15/0628 ,  B60C2015/0621 ,  B60C2015/0625 ,  B60C2015/065 ,  B60C2015/066 ,  B60C2015/0664 ,  B60C2015/0678 ,  B60C2015/0689 ,  B60C2015/0692 ,  B60C2200/06

    Abstract: In a pneumatic tire, a bead filler is radially outward of a bead core, a carcass turned up end is radially inward of an outer side end of the bead filler, the turned up end is spaced from a carcass body, a reinforcement layer is laterally outward of the bead filler, a sidewall rubber extends from a sidewall to the bead, an inner rubber reinforcing layer is between the bead filler and the reinforcement layer and adjacent to the turned up end, a crack suppression layer is between the reinforcement layer and the sidewall rubber, the crack suppression layer extends 5 mm or more from where the crack suppression layer overlaps, the reinforcement layer contacts the carcass body radially outwardly of the bead filler, and a 100% modulus KcM100 of the crack suppression layer is at least 1.5 times that of the sidewall rubber.

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