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    • 4. 发明授权
    • Pneumatic tire having thin tread reinforcing layer embedded in the outermost layer of a tread portion
    • 具有胎面部分最外层的胎面增强层薄的充气轮胎
    • US06736174B2
    • 2004-05-18
    • US09949719
    • 2001-09-12
    • Takumi InoueTomohiro Kusano
    • Takumi InoueTomohiro Kusano
    • B60C100
    • B60C11/00B60C9/00B60C11/005B60C11/24B60C2011/0025Y10T152/10027Y10T152/10513
    • In a pneumatic tire of the present invention, a tread reinforcing rubber layer composed of a rubber having larger tensile modulus of elasticity than that of a rubber composing the tread rubber layer and is less stretchable is provided in a thickness direction central area of a tread rubber layer. Because the tread reinforcing rubber layer diminishes the amount of lateral expansion and the amount of vertical compressive deformation when the tread rubber layer contacts the ground, generation of heat in the tread rubber layer can be suppressed. Therefore, in the present invention, the unique tread structure reliably suppresses heat-generation and the rubber of the tread rubber layer exhibits excellent tire wear resistance. As a result, suppression of heat-generation and high tire resistance can readily be achieved simultaneously.
    • 在本发明的充气轮胎中,在胎面橡胶的厚度方向中心区域设有胎面增强橡胶层,该胎面增强橡胶层由具有比构成胎面橡胶层的橡胶的弹性拉伸弹性大的橡胶构成的伸缩性较小的橡胶, 层。 由于当胎面橡胶层接触地面时,胎面增强橡胶层减小横向膨胀量和垂直压缩变形量,因此可以抑制胎面胶层中的热量产生。 因此,在本发明中,独特的胎面结构可靠地抑制发热,并且胎面橡胶层的橡胶表现出优异的耐轮胎耐磨性。 结果,可以容易地同时实现发热的抑制和高耐轮胎性。
    • 6. 发明申请
    • PNEUMATIC TIRE
    • 气动轮胎
    • US20100294412A1
    • 2010-11-25
    • US12810567
    • 2008-12-26
    • Takumi InoueKazuya KuroishiKenji Araki
    • Takumi InoueKazuya KuroishiKenji Araki
    • B60C13/02
    • B60C13/02
    • Provided is a pneumatic tire which is provided with a turbulent flow generation projection for generating a turbulent flow at least in a portion of a surface of the tire and has an outer diameter of not less than 2 m The turbulent flow generation projection extends linearly or curvilinearly along a tire radial direction. A relationship of h=√{1/(V/R)}×coefficient κ is satisfied where “h” is a projection height (mm) from the surface of the tire to a most protruded position of the turbulent flow generation projection, “V” is a speed of a vehicle (km/h), “R” is a tire outer diameter (m), provided that coefficient κ=27.0 to 29.5.
    • 本发明提供一种充气轮胎,该轮胎具有湍流产生用突起,用于至少在轮胎表面的一部分产生湍流,外径不小于2m。湍流产生突起线性地或曲线地延伸 沿着轮胎径向。 h =√{1 /(V / R)}×系数&kgr的关系 满足“h”是从轮胎表面到湍流产生用突起的最突出位置的突出高度(mm)的“h”,“V”是车速(km / h),“R”是 轮胎外径(m),条件是系数&kgr; = 27.0〜29.5。
    • 7. 发明申请
    • TIRE FOR CONSTRUCTION VEHICLE
    • 建筑车辆轮胎
    • US20090032157A1
    • 2009-02-05
    • US12063083
    • 2006-07-10
    • Takumi Inoue
    • Takumi Inoue
    • B60C11/03
    • B60C11/13B60C11/0311B60C11/1369B60C2200/06B60C2200/065
    • An object of the present invention is to provide a tire for a construction vehicle which suppresses a trouble of the tire by enhancing a heat-radiation characteristic of a tire center portion.A tire for a construction vehicle according to the present invention is provided with a plurality of lug grooves 22 in tread shoulder regions located at the both sides in the width direction of the tire. A plurality of widthwise-extending narrow grooves 24 extending generally along the width direction of the tire and having an end in the width direction of the tire terminated in the tread are disposed in a tire center portion C. This may improve the wear resistance characteristic and to enhance the heat-radiation characteristic by suppressing the decrease of the rigidity of the land portion. In addition, an equatorial shallow groove 26 extending in the circumferential direction of the tire is disposed on the tire equator CL. This allows the compressive stress acting on the tire center portion to be relaxed and the area for hear-radiation to be increased.
    • 本发明的目的是提供一种通过提高轮胎中心部的散热特性来抑制轮胎的问题的建筑车辆用轮胎。 根据本发明的用于工程车辆的轮胎在位于轮胎的宽度方向两侧的胎面胎肩区域中设置有多个横向花纹槽22。 沿着轮胎的宽度方向大致延伸并且在轮胎中心部分C处具有终止于轮胎的轮胎的宽度方向上的端部的多个宽度方向延伸的窄槽24设置在轮胎中心部分C中。这可以提高耐磨性能 通过抑制接地部的刚性的降低来提高散热特性。 此外,在轮胎赤道CL上设置沿轮胎周向延伸的赤道浅槽26。 这允许作用在轮胎中心部分上的压缩应力被松弛,并且增加用于听到辐射的区域。
    • 9. 发明授权
    • Tire for construction vehicle
    • 建筑车轮胎
    • US08171968B2
    • 2012-05-08
    • US12439110
    • 2007-07-27
    • Kazuya KuroishiTakumi Inoue
    • Kazuya KuroishiTakumi Inoue
    • B60C11/00
    • B60C11/0316B60C11/0311B60C11/033B60C2200/065Y10S152/902
    • A construction vehicle tire, in which a temperature rise at the tread portion is suppressed by enhancing the heat radiation property at the tire center portion (C). Lug grooves (22) are arranged in the tread shoulder regions (S) on both sides in the tire width direction. The tire center portion (C) is formed with narrow grooves (24) extending substantially in the tire width direction (V) and having both ends terminating within the tread. A deep equatorial groove (26) extends in the tire circumferential direction on the tire equatorial plane (CL), and has a maximum depth within the range of from 70% to 110% of the depth of the lug grooves (22), so as to efficiently cool the bottom region (26B) of the deep equatorial groove (26) at high temperature.
    • 通过提高轮胎中心部(C)的散热特性来抑制胎面部的温度上升的施工车辆轮胎。 在轮胎宽度方向的两侧的胎面胎肩区域(S)中配置有槽槽(22)。 轮胎中心部分(C)形成有基本上沿轮胎宽度方向(V)延伸并且两端终止于胎面内的窄槽(24)。 深赤道槽(26)在轮胎赤道面(CL)上沿轮胎周向延伸,并且具有在横向花纹槽(22)的深度的70%至110%的范围内的最大深度,因此 以在高温下有效地冷却深赤道槽(26)的底部区域(26B)。