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    TIRE FOR TWO-WHEELED AUTOMOTIVE VEHICLE
    1.
    发明公开
    TIRE FOR TWO-WHEELED AUTOMOTIVE VEHICLE 审中-公开

    公开(公告)号：EP3395589A1

    公开(公告)日：2018-10-31

    申请号：EP18154009.7

    申请日：2018-01-30

    申请人： Sumitomo Rubber Industries, Ltd.

    发明人： MATSUMOTO, Yugo

    IPC分类号： B60C15/00 ,  B60C9/22 ,  B60C9/20 ,  B60C11/00 ,  B60C9/28

    CPC分类号： B60C11/0058 ,  B60C9/2009 ,  B60C9/2204 ,  B60C9/28 ,  B60C11/005 ,  B60C15/0045 ,  B60C2009/2271 ,  B60C2011/0025 ,  B60C2200/10

    摘要： Provided is a tire, for a two-wheeled automotive vehicle, which not only exhibits excellent braking performance and traction performance in high speed cornering but also has excellent transient characteristics.
    A tire 2 includes a band 14 disposed inward of a tread 4 in a radial direction. A band cord of the band 14 is helically wound and extends in a circumferential direction. The band 14 includes a center portion 38 and a pair of side portions 40. A density Ec of the band cord in the center portion 38 is less than a density Em of the band cord in each side portion 40. An outer end Pb of the band 14 is disposed inward of an axially outer end Pa of an inner surface 42 in the axial direction, and is disposed outward of a straight line RL that defines a rim width, in the axial direction. The tread 4 includes a center region 48 provided such that the center portion 38 is disposed inward of the center region 48, a pair of middle regions 50 provided such that the side portions 40 are disposed inward of the middle regions 50, and a pair of shoulder regions 52 disposed adjacent to outer sides, in the axial direction, of the middle regions 50, respectively.

    TIRE FOR TWO-WHEELED AUTOMOTIVE VEHICLE
    2.
    发明公开
    TIRE FOR TWO-WHEELED AUTOMOTIVE VEHICLE 审中-公开

    公开(公告)号：EP3388253A1

    公开(公告)日：2018-10-17

    申请号：EP18163498.1

    申请日：2018-03-23

    申请人： Sumitomo Rubber Industries, Ltd.

    发明人： KATO, Tomoki

    IPC分类号： B60C9/20 ,  B60C15/00

    CPC分类号： B60C9/22 ,  B60C9/20 ,  B60C15/0036 ,  B60C15/0045 ,  B60C15/04 ,  B60C2009/0425 ,  B60C2009/0466 ,  B60C2009/2276 ,  B60C2200/10

    摘要： In a tire (2) for a two-wheeled automotive vehicle, a carcass ply (24) is extended on and between one bead (8) and the other bead (8) along inner sides of a tread (4) and sidewalls (6), and includes a main portion (24a) and turn-up portions (24b), which are formed by the carcass ply (24) being turned up around the beads (8) from an inner side toward an outer side in an axial direction. An outer end Pp of each turn-up portion (24b) is positioned outward of a tread end Pe in a radial direction. A band (14) is positioned between a belt (12) and the tread (4), such that the band (14) covers the belt (12). An outer end PI of an inner layer (28) layered over a carcass (10) and the outer end Pp of the turn-up portion (24b) are positioned facing each other.

    PNEUMATIC TIRE
    3.
    发明授权
    PNEUMATIC TIRE 有权

    公开(公告)号：EP2946946B1

    公开(公告)日：2018-07-11

    申请号：EP15167081.7

    申请日：2015-05-11

    申请人： SUMITOMO RUBBER INDUSTRIES, LTD.

    发明人： Isaka, Wataru

    IPC分类号： B60C15/00 ,  B60C15/04

    CPC分类号： B60C15/0045 ,  B60C15/04 ,  B60C2015/048 ,  B60C2200/10 ,  Y10T152/10819

    摘要： [Subject Matter] To provide a pneumatic tire that exhibits excellent steering stability and riding comfort [Solution(s)] Carcass ply 24 of tire 2 is provided with main portion (24a) bridging one bead 8 to the other bead 8 and with turn-up portion (24b) positioned on the axially outer side of each bead 8 to extend in a radially outward direction. Beads 8 each have core 20 which includes a wire extending in a circumferential direction. The number of strands in core 20 is two or greater. The number of turns is at least three times the number of strands in core 20. When tire 2 is mounted on normal rim 22, the radially outer edge of the wire is positioned on the radially inner side of the radially outer edge of flange 34 of rim 22. Outer-edge part (24c) of turn-up portion (24b) overlaps edge part (12a) of belt 12.

    Motorcycle tire for uneven terrain
    4.
    发明授权
    Motorcycle tire for uneven terrain 有权

    公开(公告)号：EP2777953B1

    公开(公告)日：2018-05-30

    申请号：EP14157988.8

    申请日：2014-03-06

    申请人： Sumitomo Rubber Industries, Ltd.

    发明人： Yuze, Toshifumi

    IPC分类号： B60C11/11 ,  B60C9/08 ,  B60C15/00

    CPC分类号： B60C15/0009 ,  B60C11/11 ,  B60C15/0045 ,  B60C2200/10 ,  B60C2200/14

    摘要： A tire includes a tread, a pair of beads, a carcass, and a band. The tread includes a large number of blocks which stand substantially outward in a radial direction. The carcass includes a carcass ply which is turned up around each bead. The carcass ply includes a main portion which extends from an equator plane toward each bead; and a pair of turned-up portions which extend from the main portion substantially outward in the radial direction. The band includes a band cord which is helically wound along a circumferential direction. An end portion of the turned-up portion and an end portion of the band overlap each other at an inner side, in the radial direction, of the tread. In the tire, a position of an end of the turned-up portion varies in the circumferential direction. The tire is excellent in handling stability and durability.

    PNEUMATIC TIRE
    7.
    发明授权
    PNEUMATIC TIRE 有权

    公开(公告)号：EP2754570B1

    公开(公告)日：2018-03-28

    申请号：EP12845146.5

    申请日：2012-10-24

    申请人： Sumitomo Rubber Industries, Ltd.

    发明人： YUKAWA, Naoki ,  KUDO, Daisuke

    IPC分类号： B60C13/02 ,  B60C17/00

    CPC分类号： B60C13/02 ,  B60C15/0045 ,  B60C17/0009 ,  B60C2015/061

    摘要： [Object] To provide a pneumatic tire 2 for which processing of a mold is easy and which is excellent in durability. [Solution] A tire 2 has a large number of dimples 62 on sidewalls 8 thereof. These dimples 62 are divided into dimples 62 of a first row I and dimples 62 of a second row II. The number of the dimples 62 per one row is 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 48, 5060, 72, 75, 80, 90, 100, 120, 144, 150, 160, 180, 200, 225, 240, 300, 360, 375, 400, 450, 480, 500, 600, or 720. Preferably, the number of the dimples 62 of the second row II is equal to the number of the dimples 62 of the first row I.

    PNEUMATIC TIRE
    9.
    发明授权
    PNEUMATIC TIRE 有权

    公开(公告)号：EP2979899B1

    公开(公告)日：2017-11-29

    申请号：EP14774188.8

    申请日：2014-03-28

    申请人： The Yokohama Rubber Co., Ltd.

    发明人： NAKAJIMA, Miyuki

    IPC分类号： B60C9/04 ,  B60C9/06 ,  B60C15/00

    CPC分类号： B60C9/09 ,  B60C9/06 ,  B60C15/0045 ,  B60C2009/0433 ,  B60C2009/0466

    摘要： An object of the present invention is to provide a pneumatic tire for uses such as racing that use nylon fiber cords as carcass cords in a half-radial cord arrangement, wherein the tire sufficiently exhibits the inherent cord properties of the nylon fiber carcass cords and has superior steering stability and durability. The pneumatic tire according to the present invention is a pneumatic tire having a half-radial structure in which carcass cords are biased with respect to the radial direction of the tire and have an angle of 55 to 85° with respect to the circumferential direction of the tire as measured at a central position along the widthwise direction of the tread, the tire being characterized in that the carcass cords have an elastic modulus of 3 to 10 GPa and a twist coefficient ± of 1,500 to 2,500, and a difference in intermediate elongation at 2.0 cN/dtex in the carcass cords between a central section and side sections of the tire is not more than 1.0%; the twist coefficient ± being N x ˆšT; N being the number of twists per 10 cm of length in fiber cords; and T being the fineness (dtex) of the fiber cords.