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    PNEUMATIC TIRE
    1.
    发明公开
    PNEUMATIC TIRE 审中-公开

    公开(公告)号：US20240109374A1

    公开(公告)日：2024-04-04

    申请号：US18264579

    申请日：2021-11-05

    Applicant: BRIDGESTONE CORPORATION

    Inventor： Mayuko KARASAWA ,  Shungo FUJITA ,  Kai YAMADA

    IPC: B60C11/12 ,  B60C11/03

    CPC classification number: B60C11/1236 ,  B60C11/0306 ,  B60C11/1204 ,  B60C2011/1213 ,  B60C2011/129

    Abstract: A pneumatic tire including a center block row 21 provided in a center area of a tread surface 1, wherein the center block row includes a plurality of center blocks 210 arranged along a tire circumferential direction, the plurality of center blocks includes a plurality of first center blocks 211 and a plurality of second center blocks 212, the plurality of first center blocks and the plurality of second center blocks have polygonal shapes on the tread surface, the polygonal shape formed by each second center block has a same number of sides as, but a different shape than, the polygonal shape formed by each first center block, each first center block and each second center block has one or more sipes, and a number n of sipes included in each second center block is greater than a number m of sipes included in each first center block.

    HEAVY DUTY PNEUMATIC TIRE
    6.
    发明申请
    HEAVY DUTY PNEUMATIC TIRE 有权
    重型气动轮胎

    公开(公告)号：US20160207360A1

    公开(公告)日：2016-07-21

    申请号：US14914325

    申请日：2014-08-28

    Applicant: BRIDGESTONE CORPORATION

    Inventor： Kentaro SAEKI ,  Nobuyuki YAMAMOTO

    IPC: B60C11/12 ,  B60C11/03

    CPC classification number: B60C11/1236 ,  B60C11/0327 ,  B60C11/11 ,  B60C11/12 ,  B60C2011/0334 ,  B60C2011/0355 ,  B60C2011/1209 ,  B60C2011/129 ,  B60C2011/1295 ,  B60C2200/06

    Abstract: A heavy duty pneumatic tire includes a tread surface having, on at least a section thereof, a plurality of circumferential-direction grooves extending along a tread circumferential line and land portions defined either by the circumferential-direction grooves or by the circumferential-direction grooves and tread ground contact edges. The land portions include at least one partitioned land portion in which a plurality of narrow width-direction grooves extending in a tread width direction are provided. A prescribed internal pressure is at least 750 kPa. A depth of the circumferential-direction grooves, represented by H, satisfies a relationship 7 mm≦H≦13 mm. A tread circumferential-direction spacing of the narrow width-direction grooves, represented by W, satisfies a relationship 5 mm≦W≦20 mm.

    Abstract translation: 重型充气轮胎包括胎面表面，该胎面表面在其至少一部分上具有沿着胎面周向线延伸的多个圆周方向槽和由圆周方向槽或圆周方向槽限定的陆部， 胎面接地边缘。 陆部包括至少一个分隔的陆部，其中设置有沿胎面宽度方向延伸的多个窄宽度方向槽。 规定的内部压力至少为750kPa。 由H表示的圆周方向槽的深度满足关系7mm＆nlE; H＆nlE; 13mm。 由W表示的窄宽度方向槽的胎面圆周方向间隔满足关系5mm和nlE; W＆nlE; 20mm。

    Pneumatic Tire
    7.
    发明申请
    Pneumatic Tire 审中-公开
    气动轮胎

    公开(公告)号：US20150041034A1

    公开(公告)日：2015-02-12

    申请号：US14384526

    申请日：2013-02-22

    Applicant: The Yokohama Rubber Co., LTD.

    Inventor： Kohtaro Matsushita

    IPC: B60C11/12 ,  B60C11/03

    CPC classification number: B60C11/1218 ,  B60C11/0304 ,  B60C11/04 ,  B60C11/1392 ,  B60C2011/0346 ,  B60C2011/0348 ,  B60C2011/0353 ,  B60C2011/1209 ,  B60C2011/1213 ,  B60C2011/1227 ,  B60C2011/129 ,  B60C2011/1295

    Abstract: In a pneumatic tire, land portions have a plurality of sipes and at least one row of land portions in an inner side region is provided with sipes having a 3D structure. Also, the snow traction index (STI) with respect to the tire circumferential direction throughout the entire tread portion is in the range of 100≦STI. Also, the sipe component (STI_s_out) of the snow traction index (STI) in an outer side region and the sipe component (STI_s_in) of the snow traction index (STI) in the inner side region have the relationship of 1.1≦STI_s_in/STI_s_out. Also, the peripheral length ratio PLR_out of the three-dimensional structure portion in the outer side region and the peripheral length ratio PLR_in of the three-dimensional structure portion in the inner side region have the relationship of 1.1≦PLR_in/PLR_out.

    Abstract translation: 在充气轮胎中，陆部具有多个刀槽花纹，并且内侧区域中的至少一排陆部设置有具有3D结构的刀槽花纹。 而且，整个胎面部分的相对于轮胎周向的雪牵引指数（STI）在100＆lt; nlE; STI的范围内。 此外，外侧区域的雪牵引指数（STI）的刀槽花纹部件（STI_s_out）和内侧区域的雪牵引指数（STI）的刀槽花纹部件（STI_s_in）的关系为1.1＆nlE; STI_s_in / STI_s_out。 此外，外侧区域的三维结构部分的周边长度比PLR_out和内侧区域中的三维结构部分的周长长度比PLR_in具有1.1和nlE; PLR_in / PLR_out的关系。

    Pneumatic tire
    8.
    发明授权
    Pneumatic tire 有权
    气动轮胎

    公开(公告)号：US08800617B2

    公开(公告)日：2014-08-12

    申请号：US13129931

    申请日：2009-12-04

    Applicant: Yoshio Kaji

    Inventor： Yoshio Kaji

    IPC: B60C11/12 ,  B60C11/11

    CPC classification number: B60C11/12 ,  B60C11/1218 ,  B60C11/1263 ,  B60C2011/1209 ,  B60C2011/129

    Abstract: There is provided a pneumatic tire to improve on-ice braking performance. A pneumatic tire comprises plural blocks on a tread surface of the tire defined by plural circumferential grooves extending in a tread circumferential direction and plural lateral grooves extending in a tread width direction and provided with plural sipes extending in the tread width direction, wherein each of the blocks is divided into plural block pieces including at least a set of a first block piece and a second block piece which are arranged next to each other, the first block piece has a width in the tread circumferential direction gradually decreasing from end portions toward a central portion of the block in the tread width direction, the second block piece has a width in the tread circumferential direction gradually increasing from end portions toward a central portion of the block in the tread width direction, the width of the first block piece in the tread circumferential direction gradually decreases toward the tread surface, and the width of the second block piece in the tread circumferential direction gradually increases toward the tread surface.

    Abstract translation: 提供了一种用于提高制冰性能的充气轮胎。 一种充气轮胎，其特征在于，在所述轮胎的胎面上形成有沿胎面圆周方向延伸的多个周向槽的多个胎面，以及沿胎面宽度方向延伸的多个横向槽，在所述胎面宽度方向上设置有多个刀槽花纹， 块被分成多个块块，其包括彼此相邻布置的至少一组第一块块和第二块块，第一块块在胎面周向上的宽度从端部朝向中心逐渐减小 所述第二块体在所述胎面宽度方向上的所述胎面周向的宽度从所述块的端部朝向所述块的中央部逐渐增大，所述第一块体在胎面宽度方向上的宽度， 圆周方向朝向胎面表面逐渐减小，第二块件的宽度在t中 读取圆周方向朝向胎面表面逐渐增加。

    PNEUMATIC TIRE
    9.
    发明申请
    PNEUMATIC TIRE 有权
    气动轮胎

    公开(公告)号：US20130087260A1

    公开(公告)日：2013-04-11

    申请号：US13611318

    申请日：2012-09-12

    Applicant: Yoshiyuki TOBINO

    Inventor： Yoshiyuki TOBINO

    IPC: B60C11/12

    CPC classification number: B60C11/11 ,  B60C11/1236 ,  B60C11/1259 ,  B60C2011/0344 ,  B60C2011/0348 ,  B60C2011/0367 ,  B60C2011/1209 ,  B60C2011/1254 ,  B60C2011/1268 ,  B60C2011/129 ,  B60C2011/1295

    Abstract: A pneumatic tire includes a tread portion including a plurality of land portions separated by at least two longitudinal grooves, a plurality of lateral grooves crossing the longitudinal groove to form a block row, at least one block having at least two sipes extending in an axial direction of the tire to divide at least three block-pieces which include an outer piece and an inner piece relatively arranged in circumferentially inner side of the block than the outer piece, wherein the total axial length of whole sipes is in a range of from 100 to 400 times a tread width, the outer piece of the block has a circumferential length larger than that of the inner piece of the block, and a ratio of the circumferential length of the outer piece to the circumferential length of the inner piece is greater than 1.0 and smaller than 3.0.

    Abstract translation: 一种充气轮胎，包括：胎面部，其包括由至少两个纵向槽隔开的多个胎面部，多个横向槽，与所述纵向槽交叉形成块排;至少一个块，其具有沿轴向方向延伸的至少两个刀槽花纹; 的轮胎分割成至少三个块体，其包括相对于所述块体的周向内侧相对布置的外部件和内部件，其中整个刀槽花纹的总轴向长度在从100到 块的外侧片的周向长度大于块体的内部片的长度的400倍，并且外部件的周向长度与内部件的周向长度的比率大于1.0 小于3.0。

    PNEUMATIC TIRE
    10.
    发明申请
    PNEUMATIC TIRE 有权
    气动轮胎

    公开(公告)号：US20120160383A1

    公开(公告)日：2012-06-28

    申请号：US12975879

    申请日：2010-12-22

    Applicant: Olivier De Barsy ,  Daniel Scheuren

    Inventor： Olivier De Barsy ,  Daniel Scheuren

    IPC: B60C11/12

    CPC classification number: B60C11/124 ,  B60C11/0306 ,  B60C11/1204 ,  B60C11/1218 ,  B60C11/1259 ,  B60C11/1272 ,  B60C2011/1209 ,  B60C2011/129

    Abstract: The present invention is directed to a pneumatic tire 1, comprising at least one pair of parallel annular beads 3; at least one carcass ply wrapped 5 around said beads 3; a tread 7; and first and second sidewalls 9 disposed between said tread 7 and one of said at least one pair of beads 3. In accordance with an embodiment of the invention, the tread comprises tread blocks 11 and/or tread ribs 12, wherein the tread blocks 11 and/or tread ribs 12 comprise sipes 13 extending essentially in an axial direction A of the tire 1, the sipes 13 consisting of an upper portion 15 essentially aligned with the radial direction R of the tire and a lower portion 17 inclined in the direction of rotation D of the tire 1.

    Abstract translation: 本发明涉及一种充气轮胎1，其包括至少一对平行的环形胎圈3; 至少一个胎体帘布层围绕所述胎圈3缠绕5; 胎面7; 以及设置在所述胎面7和所述至少一对胎圈3中的一个之间的第一和第二侧壁9.根据本发明的实施例，胎面包括胎面花纹块11和/或胎面花纹肋12，其中胎面花纹块11 和/或胎面肋12包括基本上沿轮胎1的轴向方向A延伸的刀槽花纹13，刀片花纹13由基本上与轮胎的径向方向R对准的上部15以及沿着轮胎1的方向倾斜的下部17组成 轮胎1的旋转D.

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