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    Rubber article reinforcing steel wire and rubber article using same
    14.
    发明授权
    Rubber article reinforcing steel wire and rubber article using same 有权

    公开(公告)号：US09850354B2

    公开(公告)日：2017-12-26

    申请号：US14768247

    申请日：2014-02-28

    Applicant: BRIDGESTONE CORPORATION

    Inventor： Naohiko Obana

    IPC: C08J5/00 ,  B60C9/00 ,  D07B1/06

    CPC classification number: C08J5/00 ,  B60C9/0007 ,  C08J2321/00 ,  D07B1/0606 ,  D07B1/066 ,  D07B2201/2003 ,  D07B2201/2005 ,  D07B2201/2009 ,  D07B2201/2014 ,  D07B2205/3057 ,  D07B2401/206 ,  D07B2801/10

    Abstract: Provided are a rubber article reinforcing steel wire that is superior in bending fatigue properties to the related art and has a flat cross-sectional shape, and a rubber article using the wire. In a rubber article reinforcing steel wire 10, a major diameter and a minor diameter are substantially perpendicular to each other. Assuming that the major diameter is W, the minor diameter is T, a straight line that passes through a center of the major diameter in a width direction and is parallel to a minor diameter direction is L1, a straight line that passes through a center of the minor diameter in a width direction and is parallel to a major diameter direction is L2, an intersection point of the L1 and the L2 is a center point C, a region within a half of a distance from the center point C to a surface is a central region Rc, and a region outside the central region Rc is a surface layer region Rs, a Vickers hardness Hvc of the central region Rc is more than a Vickers hardness Hvs of the surface layer region Rs; and assuming that a Vickers hardness on the L1 in the surface layer region Rs is Hv1, and a Vickers hardness on the L2 in the surface layer region Rs is Hv2, relationships represented by Hvc−Hv1≦150, Hvc−Hv2≦150, Hv1/Hvc×100≧85.11, and Hv2/Hvc×100≧79.84 are satisfied.

    Wide monofilament reinforcing cords employing high performance thermoplastics and tire belts made therefrom
    18.
    发明授权
    Wide monofilament reinforcing cords employing high performance thermoplastics and tire belts made therefrom 失效
    采用高性能热塑性塑料和由其制成的轮胎带的宽单丝增强帘线

    公开(公告)号：US5082713A

    公开(公告)日：1992-01-21

    申请号：US557422

    申请日：1990-07-23

    Applicant: James H. Gifford

    Inventor： James H. Gifford

    IPC: B60C9/20 ,  B60C9/22

    CPC classification number: B60C9/22 ,  B60C9/20 ,  D07B1/0606 ,  D07B2201/2003 ,  D07B2201/2005 ,  Y10T152/10801 ,  Y10T428/24074 ,  Y10T428/24091 ,  Y10T428/24116 ,  Y10T428/24132 ,  Y10T428/2973

    Abstract: A pneumatic tire reinforced by a reinforcing belt is provided, the reinforcing belt having at least one cord reinforced ply, and, in turn, the cord reinforced ply having a plurality of substantially parallel spaced apart elongated cross-section reinforcing cords. The ply may be a bias ply in which the reinforcing cords are disposed at a bias angle, or it may be an overlay ply being axially longer than any other plies and having curving ends which overlay and curve over the ends of any other plies to strengthen shoulder portions of the pneumatic tire. Preferably, in the case of an overlay ply, the reinforcing cords are disposed substantially circumferentially. Preferably also, the elongated cross-section of the reinforcing cords is elliptic; and, the reinforcing cords are thermoplastic monofilaments formed by extrusion.

    Abstract translation: 提供了由增强带增强的充气轮胎，所述加强带具有至少一个帘线增强帘布层，并且还具有具有多个基本上平行的间隔开的细长横截面加强帘线的帘线增强帘布层。 帘布层可以是偏置帘布层，其中加强帘线以偏压角设置，或者它可以是比任何其它帘布层轴向更长的覆盖层，并且具有在任何其他帘布层的末端上覆盖和弯曲的弯曲端，以加强 充气轮胎的肩部。 优选地，在覆盖层的情况下，加强帘线基本上周向设置。 优选地，加强帘线的细长横截面是椭圆形的; 并且，加强帘线是通过挤出形成的热塑性单丝。

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