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    Tire having low rolling resistance, in particular for driving wheels of heavy vehicles
    3.
    发明授权
    Tire having low rolling resistance, in particular for driving wheels of heavy vehicles 失效
    具有低滚动阻力的轮胎，特别是用于重型车辆的驱动轮

    公开(公告)号：US06415834B1

    公开(公告)日：2002-07-09

    申请号：US09352214

    申请日：1999-07-13

    申请人： Alberto Carra ,  Luigi Campana

    发明人： Alberto Carra ,  Luigi Campana

    IPC分类号： B60C1111

    CPC分类号： B60C11/1369 ,  B60C11/0306 ,  B60C11/0309 ,  B60C11/12 ,  B60C11/125 ,  B60C11/1281 ,  B60C2011/1213 ,  B60C2011/1254 ,  Y02T10/862 ,  Y10S152/03

    摘要： A tire (1) having low rolling resistance, in particular for driving wheels of heavy vehicles, comprises a tread (14) provided with a plurality of transversal grooves (20) pitchwise spaced from one another and extending in a direction substantially perpendicular to the rolling direction of the tire (D). The grooves (20) have a reduced depth and are provided with respective slits (24), extending from a bottom portion (21) thereof; as such, they contribute to impart to the tire (1) both the desired low rolling resistance and an adequate traction characteristics during straightaway running.

    摘要翻译： 具有低滚动阻力的轮胎（1），特别是用于重型车辆的驱动轮的轮胎（1）包括：胎面（14），其设置有多个横向槽（20），所述横向槽互相间隔开并且沿着与轧制 轮胎（D）的方向。 凹槽（20）具有减小的深度并且设置有从其底部（21）延伸的相应狭缝（24）。 因此，它们有助于在直线行驶期间赋予轮胎（1）期望的低滚动阻力和足够的牵引特性。

    Medium/heavy duty motor-vehicle tires provided with a tread of the universal type
    4.
    发明授权
    Medium/heavy duty motor-vehicle tires provided with a tread of the universal type 失效
    配有通用型胎面的中/重型机动车轮胎

    公开(公告)号：US06203640B1

    公开(公告)日：2001-03-20

    申请号：US09002409

    申请日：1998-01-02

    申请人： Luigi Campana ,  Alberto Carra

    发明人： Luigi Campana ,  Alberto Carra

    IPC分类号： B29D3000

    CPC分类号： B60C19/001 ,  B60C11/0306 ,  B60C11/0309 ,  B60C11/12 ,  B60C11/124 ,  B60C11/125 ,  B60C2011/0388 ,  B60C2200/06 ,  Y10S152/03 ,  Y10S152/901 ,  Y10S152/904 ,  Y10T29/49826

    摘要： A tire tread band for medium/heavy duty motor-vehicles having circumferential grooves confining three pairs of respectively center, intermediate and shoulder ribs. Respective tread blocks are defined along the center and intermediate ribs and they are confined by transverse cuts. The center cuts impart a cusp-shaped end conformation and a hollow-shaped end conformation to the respective blocks, and the shapes of said end portions mutually match. The intermediate cuts run in the linear extension of the center cuts to give the respective blocks a rhomboidal configuration. The tire can be alternately associated with a driving axle or a driven axle, by merely reversing its direction of rotation, so that the following results are selectively achieved: an increase in the traction capability by the intermediate blocks or an increase in the directional capability as a result of the mutual wedging between the center blocks at the ground-contacting area.

    摘要翻译： 一种用于中型/重型机动车辆的轮胎胎面带，其具有围绕三对分别的中心，中间和肩部肋骨的周向槽。 相应的胎面花纹块沿中心和中间肋条定义，并且它们被横向切割限制。 中心切口对相应的块赋予尖端形状的端部构造和中空形端部构造，并且所述端部部分的形状相互匹配。 中间切口在中心切口的线性延伸中运行，以使相应的块成为菱形配置。 轮胎可以通过仅使其旋转方向反转来交替地与驱动轴或从动轴相关联，使得选择性地实现以下结果：中间块的牵引能力的增加或定向能力的增加作为 这是在地面接触区域的中心块之间相互楔入的结果。

    Tire
    8.
    外观设计
    Tire 失效

    公开(公告)号：USD481006S1

    公开(公告)日：2003-10-21

    申请号：US29161201

    申请日：2002-05-28

    申请人： Luigi Campana

    设计人： Luigi Campana

    Medium/heavy duty motor-vehicle tires provided with a tread of the universal type
    9.
    发明授权
    Medium/heavy duty motor-vehicle tires provided with a tread of the universal type 失效
    配有通用型胎面的中/重型机动车轮胎

    公开(公告)号：US5795415A

    公开(公告)日：1998-08-18

    申请号：US392162

    申请日：1995-02-22

    申请人： Luigi Campana ,  Alberto Carra

    发明人： Luigi Campana ,  Alberto Carra

    IPC分类号： B60C11/04 ,  B60C11/12 ,  B60C19/00 ,  B60C11/13 ,  B60C115/00

    CPC分类号： B60C19/001 ,  B60C11/0306 ,  B60C11/0309 ,  B60C11/12 ,  B60C11/124 ,  B60C11/125 ,  B60C2011/0388 ,  B60C2200/06 ,  Y10S152/03 ,  Y10S152/901 ,  Y10S152/904 ,  Y10T29/49826

    摘要： A tire tread band for medium/heavy duty motor-vehicles having circumferential grooves confining three pairs of respectively center, intermediate and shoulder ribs. Respective tread blocks are defined along the center and intermediate ribs and they are confined by transverse cuts. The center cuts impart a cusp-shaped end conformation and a hollow-shaped end conformation to the respective blocks, and the shapes of said end portions mutually match. The intermediate cuts run in the linear extension of the center cuts to give the respective blocks a rhomboidal configuration. The tire can be alternately associated with a driving axle or a driven axle, by merely reversing its direction of rotation, so that the following results are selectively achieved: an increase in the traction capability by the intermediate blocks or an increase in the directional capability as a result of the mutual wedging between the center blocks at the ground-contacting area.

    摘要翻译： 一种用于中型/重型机动车辆的轮胎胎面带，其具有围绕三对分别的中心，中间和肩部肋骨的周向槽。 相应的胎面花纹块沿中心和中间肋条定义，并且它们被横向切割限制。 中心切口对相应的块赋予尖端形状的端部构造和中空形端部构造，并且所述端部部分的形状相互匹配。 中间切口在中心切口的线性延伸中运行，以使相应的块成为菱形配置。 轮胎可以通过仅使其旋转方向反转来交替地与驱动轴或从动轴相关联，使得选择性地实现以下结果：中间块的牵引能力的增加或定向能力的增加作为 这是在地面接触区域的中心块之间相互楔入的结果。

    Tire
    10.
    外观设计
    Tire 有权

    公开(公告)号：USD586727S1

    公开(公告)日：2009-02-17

    申请号：US29263705

    申请日：2006-07-28

    申请人： Luigi Campana

    设计人： Luigi Campana