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    • 1. 发明授权
    • Pneumatic radial tire
    • 气动子午线轮胎
    • US4696335A
    • 1987-09-29
    • US760876
    • 1985-07-31
    • Tetsuhito TsukagoshiTamotsu MatsunumaShigeo Makino
    • Tetsuhito TsukagoshiTamotsu MatsunumaShigeo Makino
    • B60C9/22B60C9/18B60C9/20B60C9/28
    • B60C9/28B60C9/18B60C9/185B60C9/2009B60C2009/2041Y10T152/10765Y10T152/10801
    • A pneumatic radial tire comprising a belt portion disposed between the tread portion and the carcass portion wherein the belt portion is constituted by at least a pair of first belts, a second belt and a third belt which are arranged from radially inward to outward, the first, second and third belts having a first series, second series and third series of parallel cords embedded therein, respectively. The first belts being laterally spaced apart a predetermined lateral space symmetrically with respect to the mid-circumferential centerline and the cords thereof are disposed at an angle of between 40 to 60 degrees with respect to the mid-circumferential centerline. The spaced-apart first belts have opposite lateral ends which are located within less than 5 percent of a belt width of the third belt from the corresponding opposite lateral ends of the third belt, respectively. The first series of the cords of the first belt and the second series of the cords of the second belt are oriented in same directions, while the second series of the cords of the second belt and the third series of the cords of the third belt are oriented in opposite directions with each other.
    • 一种充气子午线轮胎,包括设置在所述胎面部分和所述胎体部分之间的带部分,其中所述带部分由至少一对第一带,第二带和第三带构成,所述第一带,第二带和第三带从径向向内布置成向外, ,第二和第三带分别具有嵌入其中的第一串联,第二串联和第三串并联电缆。 第一带相对于中圆周中心线对称地预定的侧向空间横向间隔开,并且其帘线相对于中圆周中心线以40至60度的角度设置。 间隔开的第一带具有相对的侧向端部,它们分别位于距第三带的相应的相对的横向端部小于第三带束带宽度的5%以内。 第一带的第一系列帘线和第二带的第二帘线系列在相同的方向上取向,而第二带的第二系列帘线和第三带的第三系列帘线是 相互朝向相反的方向。
    • 4. 发明授权
    • Large-size pneumatic radial tire for use on rough road with belt having
specified cord
    • 大型充气子午线轮胎用于粗糙路面,带有指定的绳索
    • US4715419A
    • 1987-12-29
    • US675591
    • 1984-11-28
    • Kiyohito KawasakiMichitaka SatoHiroyuki KosekiTamotsu Matsunuma
    • Kiyohito KawasakiMichitaka SatoHiroyuki KosekiTamotsu Matsunuma
    • B60C9/18B60C9/00B60C9/20D07B1/06
    • B60C9/0007B60C9/2006Y10S57/902Y10T152/10801
    • A large-size pneumatic radial tire for use on rough road is disclosed, which comprises as a tire reinforcement a carcass ply of cords arranged in a direction substantially perpendicular to the equatorial plane of the tire and a belt composed of at least three cord layers each containing steel cords embedded parallel to each other in rubber and arranged at a relatively small angle with respect to the equatorial plane of the tire, at least a pair of adjacent cord layers among which being piled one upon the other to cross their cords with each other at an angle of 15.degree.-30.degree. with respect to the equatorial plane. In this type of the tire, the outermost cord layer for the belt is a cord layer formed by embedding a plurality of twisted steel cords, each having a single layer construction of 1.times.3, 1.times.4 or 1.times.5 or a double layer construction with a core of 1 to 2 filaments obtained by twisting plural steel filaments shaped prior to the formation of cord, in rubber at a cord volume fraction of 5-40% so as to provide a sealing type penetration form wherein a portion of the cord having an inner space completely filled with the penetrated rubber and a length l.sub.1 is alternately connected with a portion of the cord having an inner space incompletely filled with the penetrated rubber and a length l.sub.2 in the longitudinal direction of the cord so as to satisfy l.sub.2 of not more than 10 mm and l.sub.1 /l.sub.2 of not less than 0.14.
    • 公开了一种用于粗糙路面的大型充气子午线轮胎,其包括作为轮胎加强件的帘线帘布层帘布层帘布层帘布层帘布层,帘布层帘布层沿着与轮胎的赤道平面基本垂直的方向布置,并且由至少三个帘线层组成, 在橡胶中彼此平行地嵌合并且以相对于轮胎的赤道平面相对较小的角度布置的至少一对相邻的帘线层,其中彼此堆叠在一起,彼此堆叠以彼此横过它们的帘线 相对于赤道平面为15°-30°的角度。 在这种类型的轮胎中,用于带的最外层帘线层是通过埋入多个扭绞钢丝绳而形成的绳索层,每个扭绞钢丝绳具有1x3,1x4或1x5的单层结构,或者具有1的核心的双层结构 通过在橡胶中以5-40%的帘线体积分数扭转多个形成钢丝的钢丝而获得的2根细丝,以提供密封型穿透形式,其中一部分帘线具有完全填充的内部空间 与穿透的橡胶一起,长度l1与具有不完全填充有穿透橡胶的内部空间的帘线的一部分交替地连接,并且在帘线的纵向方向上的长度l2以满足不大于10mm的12,并且 l1 / l2不低于0.14。
    • 5. 发明授权
    • Pneumatic radial tire having an improved durability in the running on
bad road
    • 气动子午线轮胎在恶劣道路行驶时具有改善的耐久性
    • US4518024A
    • 1985-05-21
    • US577921
    • 1984-02-07
    • Tamotsu Matsunuma
    • Tamotsu Matsunuma
    • B60C9/08B60C9/18B60C9/20
    • B60C9/18B60C9/2009Y10T152/10765
    • A pneumatic radial tire having an improved durability in the running on bad road is disclosed, which comprises a carcass composed of at least one rubberized cord ply containing cords arranged substantially perpendicular to the equatorial plane of the tire and a belt superimposed around the crown portion of the carcass and composed of at least two rubberized cord layers each containing cords inclined at a relatively small angle with respect to the equatorial plane of the tire, the cords of which being crossed with each other. In this tire, the outermost layer of the belt contains cords having a flexural rigidity lower than that of the remaining layer and arranged at an end count higher than that thereof.
    • 公开了一种在恶劣道路上行驶时具有改进的耐久性的充气子午线轮胎,该充气子午线轮胎包括由至少一个橡胶帘线层组成的胎体,所述橡胶帘线层包含基本上垂直于轮胎的赤道平面布置的帘线, 所述胎体由至少两个橡胶帘线层组成,每个帘线帘线层包含相对于轮胎的赤道平面以相对较小的角度倾斜的绳索,帘线彼此交叉。 在该轮胎中,带的最外层含有弯曲刚度低于其余层的帘线,并且配置在比其高的端数。