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    • 3. 发明授权
    • Pneumatic tire with tread having radial grooves and shutoff walls
    • 具有胎面的气动轮胎具有径向凹槽和截止壁
    • US08042584B2
    • 2011-10-25
    • US11892387
    • 2007-08-22
    • Shingo Takahashi
    • Shingo Takahashi
    • B60C11/03
    • B60C11/1369B60C11/0309B60C11/042B60C2011/0383B60C2011/1338B60C2200/10Y10S152/03
    • A pneumatic tire is provided in the tread portion (2) with a circumferential groove (3, 3b, 3c) extending continuously in the tire circumferential direction and having a pair of oppositely opposed groove walls (6). The circumferential groove (3, 3b, 3c) is provided in at least one of the groove walls (6) with radial grooves (9) arranged along the longitudinal direction of the circumferential groove (3). The radially outer end (9o) of the radial groove (9) is positioned in a range (a1) of from 0 to 20% of the depth (GDt) of the circumferential groove. The radially inner end (9i) of the radial groove (9) is positioned in a range (a2) of from 80 to 100% of the depth (GDt) of the circumferential groove. The radial groove has an opening width (g) of not less than 1.0 mm, but not more than 6.0 mm.
    • 在胎面部(2)上设置有沿轮胎周向连续延伸并具有一对相对的槽壁(6)的周向槽(3,3b,3c)的充气轮胎。 所述周向沟槽(3,3b,3c)设置在至少一个所述槽壁(6)中,沿着所述周向槽(3)的长度方向配置有径向槽(9)。 径向槽(9)的径向外端(9o)位于圆周槽深度(GDt)的0〜20%的范围(a1)内。 径向槽(9)的径向内端(9i)位于圆周槽深度(GDt)的80%到100%的范围(a2)内。 径向槽的开口宽度(g)不小于1.0mm,但不大于6.0mm。
    • 7. 发明申请
    • Heavy duty pneumatic tire
    • 重型充气轮胎
    • US20060102267A1
    • 2006-05-18
    • US11280240
    • 2005-11-17
    • Shingo TakahashiSatoshi Tsuda
    • Shingo TakahashiSatoshi Tsuda
    • B60C11/11
    • B60C11/1369B60C11/0306B60C11/0309Y10S152/902
    • It aims to provide a heavy duty pneumatic tire with block patterns and capable of improving deflected wear resisting performances without sacrificing wet grip performances or on-snow performances and that can particularly be favorably used for all seasons. The present invention comprises block patterns employing at least three types of blocks 4 comprised of central blocks 4C delimited by the central longitudinal groove 2M, the intermediate longitudinal grooves 2M, and the central lateral grooves 3C, intermediate blocks 4M delimited by the intermediate longitudinal grooves 2M, the outer longitudinal grooves 2S and the intermediate lateral grooves 3M, and outer blocks 4S that are delimited by outer longitudinal grooves 2S, outer lateral grooves 3S that extend from this outer longitudinal grooves 2S to the tread ends E, and wherein longitudinal length ratios (L4/W4) of blocks 4, groove width ratios of longitudinal grooves and lateral grooves (w2/w3), maximum widths of blocks, minimum widths of blocks and ratios thereof (W4max/W4min), and circumferential edge components and tire axial edge components and ratios thereof (EC/EL) at respective stages of wear are defined to be within specified ranges.
    • 其目的是提供一种具有块状图案的重型充气轮胎,并且能够在不牺牲湿抓地性能或降雪性能的情况下提高偏转耐磨性能,并且可以特别适用于所有季节。 本发明包括使用至少三种类型的块4的块图案,所述块4包括由中央纵向槽2M限定的中心块4C,中间纵向槽2 M和中间横向槽3C,中间块4M由中间块4限定 由外纵向槽2S限定的中间纵向槽2 M,外纵向槽2 S和中间横向槽3 M以及外侧块体S S,从外部纵向槽2 S延伸的外侧横向槽3 S 到其胎面端部E,并且其中块4的纵向长度比(L4 / W4),纵向槽和横向槽的槽宽比(w2 / w3),块的最大宽度,块的最小宽度及其比率(W4max / W4min),并且在各磨损阶段的周缘部分和轮胎轴向边缘部件及其比例(EC / EL)被限定在规定范围内。