Pneumatic radial tire
    1.
    发明授权
    Pneumatic radial tire 有权
    气动子午线轮胎

    公开(公告)号:US09499010B2

    公开(公告)日:2016-11-22

    申请号:US12528399

    申请日:2008-02-12

    Inventor: Yusuke Yoshikawa

    Abstract: A pneumatic radial tire including a carcass; two belt reinforcing layers; and a belt formed by two belt layers. A width of a belt cord intersecting region defined by the two belt layers is set in the range of 65 to 90% of the tire width-W, the maximum width of the belt reinforcing layer is set in the range of 60 to 85% of the tire width. Also, a belt radius ratio, which is a ratio of difference between the radius of the belt at the tire equatorial plane and the radius of the belt at a belt side end position thereof measured from the tire axis in a state where the tire is inflated at the standard inner pressure, with respect to a belt half width, is not larger than 0.06.

    Abstract translation: 一种包括胎体的充气子午线轮胎; 两个皮带增强层; 以及由两个带束层形成的带。 由两个带束层限定的皮带帘线相交区域的宽度设定在轮胎宽度-W的65〜90%的范围内,带束层增强层的最大宽度被设定在60〜85%的范围内 轮胎宽度。 此外,作为轮胎赤道面的带的半径与轮胎轴向膨胀后的轮胎轴线的带侧端部处的带的半径的差的比率的带半径比, 在标准内压下,相对于皮带半宽度,不大于0.06。

    Pneumatic tire and method of forming circumferential belt layer of the same
    2.
    发明授权
    Pneumatic tire and method of forming circumferential belt layer of the same 有权
    气动轮胎及其形成圆周带束层的方法

    公开(公告)号:US09085115B2

    公开(公告)日:2015-07-21

    申请号:US13351849

    申请日:2012-01-17

    Abstract: The present invention relates to a method of forming at least one circumferential belt layer of a pneumatic tire comprising: winding the strip for a half length of an outer circumferential length of the crown portion of the carcass along the tire equatorial plane from a widthwise inner side of the belt end region; winding the strip for the remaining half length while shifting the strip for the width of the strip from a widthwise inner to outer side; winding the strip for the outer circumferential length of the crown portion of the carcass along the tire equatorial plane; winding the strip for the half length of the outer circumferential length of the crown portion of the carcass while shifting the strip for the width of the strip from the widthwise outer to inner side; and winding the strip for the remaining half length along the tire equatorial plane.

    Abstract translation: 本发明涉及一种形成充气轮胎的至少一个圆周带束层的方法,该方法包括:沿宽度方向的内侧沿轮胎赤道面将胎体的冠部的外周长度的半长度卷绕, 的带端区域; 在条带的宽度方向从内侧向外侧移动条带时将带条卷绕剩余的一半长度; 沿着轮胎赤道面卷绕胎体的胎冠部的外周长度的条带; 将条带卷绕在胎体的胎冠部分的外周长度的一半长度上,同时将条带宽度从宽度方向外侧移动到内侧; 并沿着轮胎赤道平面卷绕剩余半长的条。

    PNEUMATIC TIRE
    3.
    发明申请
    PNEUMATIC TIRE 有权
    气动轮胎

    公开(公告)号:US20130206310A1

    公开(公告)日:2013-08-15

    申请号:US13876391

    申请日:2011-09-28

    Inventor: Yusuke Yoshikawa

    Abstract: The present invention provides a pneumatic tire having a carcass 11, at least one circumferential belt layer 17 provided on the outer side in the tire radial direction of the carcass 11, and plural intersecting belt layers 18 provided on the outer side in the tire radial direction of the circumferential belt layer 17, at least one of the plural intersecting belt layers having wider belt width in the tire widthwise direction than the circumferential belt layer 17, comprising: at least one layer of end-portion circumferential belt 15 provided in respective tire widthwise tread end regions on the outer side of the carcass 11 and on the inner side of the circumferential belt layer 17 in the tire radial direction; and at least one layer of slant belt 16 provided in the tire widthwise tread central region on the outer side of the carcass 11 and on the inner side of the circumferential belt layer 17 in the tire radial direction.

    Abstract translation: 本发明提供一种充气轮胎,其具有胎体11,设置在胎体11的轮胎径向外侧的至少一个周向带束层17和设置在轮胎径向外侧的多个交叉带束层18 在周向带束层17中,轮胎宽度方向上的带宽度比周向带束层17宽的多个交叉带束层中的至少一个包括:至少一层端部周向带15,其设置在轮胎宽度方向 在轮胎径向上在胎体11的外侧和周向带束层17的内侧上的胎面端部区域; 以及设置在胎体11的外侧的轮胎宽度方向胎面中央区域和轮胎径向上的周向带束层17的内侧的至少一层倾斜带16。

    Pneumatic tire
    4.
    发明授权
    Pneumatic tire 有权
    气动轮胎

    公开(公告)号:US08479793B2

    公开(公告)日:2013-07-09

    申请号:US12520962

    申请日:2007-12-26

    CPC classification number: B60C9/2009 B60C2009/2029 B60C2200/06

    Abstract: The present invention provides a tire with a belt having relatively high durability by improving fatigue resistance of cords at end portions of a circumferential belt layer, in particular, and especially proposes a radial tire for heavy load, having a relatively small aspect ratio. For this purpose, the present invention provides a tire having a carcass as a skeleton provided in a toroidal shape over a pair of bead portions, a belt disposed on the outer side in the radial direction of the carcass, and a tread disposed on the outer side in the radial direction of the belt, the belt including: at least one layer of circumferential belt layer disposed on the outer side in the radial direction of a crown portion of the carcass and formed of a number of cords extending along the equatorial plane of the tire and coating rubber thereon; and at least two layers of slant belt layers disposed on the circumferential belt layer and each formed of a number of cords extending in a direction inclined with respect to the equatorial plane O of the tire and coating rubber thereon, characterized in that: a width of the circumferential belt layer is no less than 60% of the total width of the tire; a width of at least one of the slant belt layers is wider than the width of the circumferential belt layer; and modulus of elasticity of first cords disposed on an end portion side in the widthwise direction of the circumferential belt layer is lower than modulus of elasticity of second cords disposed on the inner side in the widthwise direction of the first cords.

    Abstract translation: 本发明提供一种轮胎,其具有通过提高周向带束层的端部处的帘线的抗疲劳性而具有相对高耐久性的带,特别地,提出了一种具有相对较小纵横比的用于重负载的子午线轮胎。 为此目的,本发明提供一种轮胎,其具有在一对胎圈部分上以环形形状设置的骨架,设置在胎体径向外侧的带和设置在胎体外侧的胎面 所述带包括:设置在所述胎体的胎冠部的径向外侧的至少一个周向带束层,并且由沿着所述胎体的赤道面延伸的多根帘线形成, 轮胎和涂层橡胶; 以及设置在所述周向带束层上的至少两层倾斜带束层,并且每个由相对于轮胎的赤道平面O倾斜的方向延伸的多根帘线形成,并且其上涂覆有橡胶,其特征在于: 周向带层不小于轮胎总宽度的60%; 至少一个倾斜带束层的宽度比周向带束层的宽度宽; 并且设置在周向带束层的宽度方向上的端部侧的第一帘线的弹性模量低于设置在第一帘线的宽度方向的内侧的第二帘线的弹性模量。

    Pneumatic tire
    5.
    发明授权
    Pneumatic tire 有权
    气动轮胎

    公开(公告)号:US09440495B2

    公开(公告)日:2016-09-13

    申请号:US13876391

    申请日:2011-09-28

    Inventor: Yusuke Yoshikawa

    Abstract: The present invention provides a pneumatic tire having a carcass 11, at least one circumferential belt layer 17 provided on the outer side in the tire radial direction of the carcass 11, and plural intersecting belt layers 18 provided on the outer side in the tire radial direction of the circumferential belt layer 17, at least one of the plural intersecting belt layers having wider belt width in the tire widthwise direction than the circumferential belt layer 17, comprising: at least one layer of end-portion circumferential belt 15 provided in respective tire widthwise tread end regions on the outer side of the carcass 11 and on the inner side of the circumferential belt layer 17 in the tire radial direction; and at least one layer of slant belt 16 provided in the tire widthwise tread central region on the outer side of the carcass 11 and on the inner side of the circumferential belt layer 17 in the tire radial direction.

    Abstract translation: 本发明提供一种充气轮胎,其具有胎体11,设置在胎体11的轮胎径向外侧的至少一个周向带束层17和设置在轮胎径向外侧的多个交叉带束层18 在周向带束层17中,轮胎宽度方向上的带宽度比周向带束层17宽的多个交叉带束层中的至少一个包括:至少一层端部周向带15,其设置在轮胎宽度方向 在轮胎径向上在胎体11的外侧和周向带束层17的内侧上的胎面端部区域; 以及设置在胎体11的外侧的轮胎宽度方向胎面中央区域和轮胎径向上的周向带束层17的内侧的至少一层倾斜带16。

    PNEUMATIC RADIAL TIRE
    7.
    发明申请
    PNEUMATIC RADIAL TIRE 有权
    气动辐射轮胎

    公开(公告)号:US20100294410A1

    公开(公告)日:2010-11-25

    申请号:US12528399

    申请日:2008-02-12

    Inventor: Yusuke Yoshikawa

    Abstract: The present invention provides a pneumatic radial tire capable of effectively improving belt durability, while ensuring good resistance to wear at a tread surface. The pneumatic radial tire comprises: a carcass 5 of a toroidal shape engagedly held between at least one pair of bead cores 4; two belt reinforcing layers 8a, 8b constituted of a reinforcing element extending in the tire circumferential direction and provided on the outer side of a crown region of the carcass 5 and on the inner side of a tread rubber 7; and a belt 10 formed by two belt layers 9a, 9b and provided on the outer side in the tire radial direction of the belt reinforcing layer, belt cords of one belt layer and those of another belt layer extending in directions opposite to each other with respect to the tire equatorial plane E, wherein the width w1 of a belt cord intersecting region defined by the two belt layers 9a, 9b is set in the range of 65 to 90% of the tire width W, the maximum width w0 of the belt reinforcing layer 8a, 8b is set in the range of 60 to 85% of the tire width W, and a belt radius ratio, which is a ratio of difference (R0-R1) between the radius (R0) of the belt at the tire equatorial plane and the radius (R1) of the belt at a belt side end position thereof measured from the tire axis in a state where the tire is inflated at the standard inner pressure, with respect to a belt half width (w/2), is not larger than 0.06.

    Abstract translation: 本发明提供一种能够有效地提高皮带耐久性的充气子午线轮胎,同时确保在胎面表面具有良好的耐磨性。 充气子午线轮胎包括:胎圈5,其具有接合地保持在至少一对胎圈芯4之间的环形形状; 两个带束加强层8a,8b,由沿轮胎周向延伸的增强元件构成,设置在胎体5的胎冠区域的外侧,胎面橡胶7的内侧; 以及由带束层增强层的轮胎径向的外侧设置的两个带束层9a,9b形成的带10,一个带束层的带束帘线和沿着彼此相反的方向延伸的另一个带束层的带束帘线 对于轮胎赤道面E,其中由两个带束层9a,9b限定的带束帘线相交区域的宽度w1设定在轮胎宽度W的65%至90%的范围内,带束加强件的最大宽度w0 层8a,8b设定在轮胎宽度W的60〜85%的范围内,以及作为轮胎赤道处的带的半径(R0)的差(R0-R1)的比率的带半径比 相对于带半宽度(w / 2),在轮胎以标准内压膨胀的状态下从轮胎轴线测量的带的腰带的半径(R1)为 不大于0.06。

    PNEUMATIC TIRE
    8.
    发明申请
    PNEUMATIC TIRE 有权
    气动轮胎

    公开(公告)号:US20100024946A1

    公开(公告)日:2010-02-04

    申请号:US12520962

    申请日:2007-12-26

    CPC classification number: B60C9/2009 B60C2009/2029 B60C2200/06

    Abstract: The present invention provides a tire with a belt having relatively high durability by improving fatigue resistance of cords at end portions of a circumferential belt layer, in particular, and especially proposes a radial tire for heavy load, having a relatively small aspect ratio. For this purpose, the present invention provides a tire having a carcass as a skeleton provided in a toroidal shape over a pair of bead portions, a belt disposed on the outer side in the radial direction of the carcass, and a tread disposed on the outer side in the radial direction of the belt, the belt including: at least one layer of circumferential belt layer disposed on the outer side in the radial direction of a crown portion of the carcass and formed of a number of cords extending along the equatorial plane of the tire and coating rubber thereon; and at least two layers of slant belt layers disposed on the circumferential belt layer and each formed of a number of cords extending in a direction inclined with respect to the equatorial plane O of the tire and coating rubber thereon, characterized in that: a width of the circumferential belt layer is no less than 60% of the total width of the tire; a width of at least one of the slant belt layers is wider than the width of the circumferential belt layer; and modulus of elasticity of first cords disposed on an end portion side in the widthwise direction of the circumferential belt layer is lower than modulus of elasticity of second cords disposed on the inner side in the widthwise direction of the first cords.

    Abstract translation: 本发明提供一种轮胎,其具有通过提高周向带束层的端部处的帘线的抗疲劳性而具有相对高耐久性的带,特别地,提出了一种具有相对较小纵横比的用于重负载的子午线轮胎。 为此目的,本发明提供一种轮胎,其具有在一对胎圈部分上以环形形状设置的骨架,设置在胎体径向外侧的带和设置在胎体外侧的胎面 所述带包括:设置在所述胎体的胎冠部的径向外侧的至少一个周向带束层,并且由沿着所述胎体的赤道面延伸的多根帘线形成, 轮胎和涂层橡胶; 以及设置在所述周向带束层上的至少两层倾斜带束层,并且每个由相对于轮胎的赤道平面O倾斜的方向延伸的多根帘线形成,并且其上涂覆有橡胶,其特征在于: 周向带层不小于轮胎总宽度的60%; 至少一个倾斜带束层的宽度比周向带束层的宽度宽; 并且设置在周向带束层的宽度方向上的端部侧的第一帘线的弹性模量低于设置在第一帘线的宽度方向的内侧的第二帘线的弹性模量。

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