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    METHOD FOR MANUFACTURING MOTORCYCLE TIRE
    1.
    发明申请
    METHOD FOR MANUFACTURING MOTORCYCLE TIRE 有权
    制造摩托车轮胎的方法

    公开(公告)号：US20150273777A1

    公开(公告)日：2015-10-01

    申请号：US14667822

    申请日：2015-03-25

    申请人： SUMITOMO RUBBER INDUSTRIES LTD.

    发明人： Wataru Isaka ,  Masafumi Otani

    IPC分类号： B29D30/08 ,  B32B25/02 ,  B32B38/00 ,  B32B37/00 ,  B32B37/02 ,  B32B1/08 ,  B32B25/04

    CPC分类号： B29D30/08 ,  B29D30/1628 ,  B29D30/242 ,  B29D30/36 ,  B29D30/70 ,  B29D2030/082 ,  B29K2277/10 ,  B29K2305/12 ,  B32B1/08 ,  B32B25/02 ,  B32B25/04 ,  B32B37/0046 ,  B32B37/02 ,  B32B38/0012 ,  B32B2038/0028 ,  B32B2262/0269 ,  B32B2262/103 ,  B32B2305/08 ,  B32B2309/08 ,  B32B2597/00

    摘要： A method for manufacturing a motorcycle tire includes forming a cylindrical raw tire body including a carcass body including a carcass ply and bead cores on the carcass ply, and forming a cylindrical belt ply wound in a cylindrical shape. The forming of the belt ply includes filling the tire body to expand to first expanded phase, winding a sheet-type belt ply by extending the sheet-type belt ply on bell rings to form the cylindrical belt ply with inner surface bonded to the apex of the tire body, filling the tire body to expand the apex of the tire body along with the belt ply to second expanded phase, increasing diameter of an expandable profile deck to expand the apex of the tire body along with the belt ply to third expanded phase, and winding down edges of the belt ply to bond the belt ply to the tire body.

    摘要翻译： 一种摩托车轮胎的制造方法，其特征在于，在胎体帘布层上形成包括胎体帘布层和胎圈芯的胎体的圆筒状的胎体，形成圆筒状的圆筒状的带状帘布层。 带束层的成形包括填充轮胎主体以膨胀至第一膨胀相，通过将片状带束层延伸到钟环上来卷绕片状带束层以形成圆柱形带束层，其内表面结合到 轮胎主体，填充轮胎主体以将轮胎主体的顶点与带束层一起膨胀到第二膨胀阶段，增加可扩张轮廓甲板的直径，以将轮胎主体的顶点与带束层一起扩展到第三膨胀阶段 ，并且卷绕带束层的边缘以将带束层粘合到轮胎主体。

    Pneumatic tire
    2.
    发明授权
    Pneumatic tire 有权

    公开(公告)号：US11331952B2

    公开(公告)日：2022-05-17

    申请号：US16212182

    申请日：2018-12-06

    申请人： Sumitomo Rubber Industries, Ltd.

    发明人： Wataru Isaka

    IPC分类号： B60C9/26 ,  B60C9/22 ,  B60C9/18

    摘要： A pneumatic tire comprises a mesh reinforcing layer formed from a tape wound circumferentially of the tire plural turns while repeating a zigzag unit comprising two inclined portion so that a number N of the repeated zigzag units are arranged while shifting in the tire circumferential direction and partly overlapping with each other. The amount of positional shift between the circumferentially adjacent zigzag units is in a range from 0.7 to 1.3 times a value of 360/N in terms of the angle α around the tire rotational axis.

    Pneumatic tire
    3.
    发明授权
    Pneumatic tire 有权

    公开(公告)号：US11230144B2

    公开(公告)日：2022-01-25

    申请号：US16104409

    申请日：2018-08-17

    申请人： Sumitomo Rubber Industries, Ltd.

    发明人： Wataru Isaka

    IPC分类号： B60C9/20 ,  B60C9/18

    摘要： A pneumatic tire comprises a belt layer disposed in the tread portion. The average cord angle θn and average cord count Nn of the belt layer are constant or gradually increases or decreases from a center position to shoulder positions. The ratio θns/θnc of the average cord angle θns at the shoulder positions to the average cord angle θnc at the center position is 1.30 or less. The ratio Nns/Nnc of the average cord count Nns at the shoulder positions to the average cord count Nnc in the center position is 0.77 or more.

    Pneumatic tire
    4.
    发明授权
    Pneumatic tire 有权

    公开(公告)号：US10807418B2

    公开(公告)日：2020-10-20

    申请号：US15795043

    申请日：2017-10-26

    申请人： Sumitomo Rubber Industries, Ltd.

    发明人： Wataru Isaka

    IPC分类号： B60C15/024 ,  B60C15/06

    摘要： A pneumatic tire includes bead portions, each having a bead bottom surface. The bead bottom surface includes a toe-side portion extending axially outwardly from a bead toe at an angle α in a range of from 17 to 24 degrees with respect to the tire axial direction, a heel-side portion positioned axially outside the toe-side portion and extending axially outwardly at an angle β in a range of from 3 to 7 degrees with respect to the tire axial direction, and a heel-side arc portion smoothly connecting between the heel-side portion and a flange contacting surface with a radius of curvature (R) in a range of from 1.5 to 3.5 mm.