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    • 38. 发明授权
    • Pneumatic tire for vehicle wheels
    • 汽车轮胎气动轮胎
    • US3861438A
    • 1975-01-21
    • US34507073
    • 1973-03-26
    • PIRELLI
    • BERTELLI ITALOTANGORRA GIORGIO
    • B60C3/00B60C11/01B60C13/00B60C17/00B60C17/08B60C9/02
    • B60C3/00B60C11/01B60C13/00B60C17/00Y10T152/10738
    • A pneumatic tire for vehicle wheels which includes a tread, an annular reinforcing structure, two sidewalls, two beads and having a plurality of slits in the inner and outer surfaces of the sidewalls which may come into contact with other surfaces of the tire or wheel in consequence of the deflation of the tire. The slits are prevailingly oriented in a direction perpendicular to the direction in which takes place the relative slidings between the contact surfaces. Each sidewall has a cross-section along meridian planes of such a shape that its section midline in the meridian plane has a convexity directed towards the tire inside and a flexional rigidity in the meridian plane such that the convexity does not change in direction even under normal operating inflation pressure. The flexional rigidity has a value which is smaller than that of the analogous rigidity of the remaining portions of the sidewall.
    • 一种用于车轮的充气轮胎,其包括胎面,环形加强结构,两个侧壁,两个胎圈,并且在侧壁的内表面和外表面中可以与轮胎或车轮的其他表面接触的多个狭缝 轮胎通货紧缩的后果。 狭缝在垂直于发生接触表面之间的相对滑动的方向的方向上主要取向。 每个侧壁具有沿着子午线平面形成的横截面,使得其子午线平面中的中线具有朝向轮胎内侧的凸起,并且在子午线平面中具有弯曲刚度,使得即使在正常情况下凸部也不改变方向 经营通胀压力。 挠曲刚度的值小于侧壁剩余部分类似刚度的值。
    • 40. 发明授权
    • Amphibious tires with improved torque resistance properties
    • 具有改进的扭矩电阻特性的大轮胎
    • US3736971A
    • 1973-06-05
    • US3736971D
    • 1971-04-14
    • UNIROYAL INC
    • PAUL RWILSON J
    • B60C3/00B60C9/00
    • B60C3/00Y10T152/10864Y10T152/10882
    • An amphibious tire construction for use with ''''all-terrain'''' vehicles and having improved resistance to failure, particularly in the hub area under severe acceleration and braking stresses are disclosed. In such a tire, the axial openings in the sidewalls are disposed concentrically with a rigid, tubular hub, and the side-walls are vulcanized or bonded at their radially inwardmost edge regions bounding said openings, directly to the respective opposite ends of the hub. The sidewalls are reinforced by respective centrally apertured disc-shaped patches incorporated in the sidewalls concentrically with the hub. Each such patch consists of a laminate of a plurality of strips of calender coated fabric stock superimposed on each other in a crossing, asterisk-like fashion so that the patch is thickest in the region thereof which is immediately adjacent its central opening and decreases in thickness gradually through the surrounding regions located radially outwardly of the central region. A tire so reinforced has a greater rigidity at the critical area thereof, which is in the vicinity of the hub, than at other sidewall areas, with this rigidity decreasing in the direction radially outwardly from the hub so that overall sidewall flexibility is effectively not impaired.
    • 公开了一种用于“全地形”车辆并且具有改进的抗故障性的水陆两用轮胎结构,特别是在严重的加速和制动应力下的轮毂区域。 在这种轮胎中,侧壁中的轴向开口与刚性管状轮毂同心地设置,并且侧壁在其围绕所述开口的径向最内边缘区域硫化或结合,直接连接到轮毂的相应的相对端。 侧壁通过与中心同心地并入在侧壁中的相应的中心孔状的盘状贴片来增强。 每个这样的贴片由多个砑光涂布织物条带的叠层组成,它们以交叉的星号方式彼此重叠,使得贴片在其紧邻其中心开口的区域中最厚,厚度减小 逐渐通过位于中心区域径向外侧的周围区域。 如此增强的轮胎在其临界区域处的轮毂附近的刚度比在其它侧壁区域处具有更大的刚度,其刚性在从轮毂径向向外的方向上减小,使得整体侧壁柔性被有效地不受损害 。