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    • 6. 发明授权
    • Pneumatic radial tire with reduced tread weight
    • 具有降低胎面重量的气动子午线轮胎
    • US5411068A
    • 1995-05-02
    • US76744
    • 1993-06-15
    • Tomohiko Kogure
    • Tomohiko Kogure
    • B60C9/08B60C9/09B60C11/00B60C15/06
    • B60C15/0027B60C15/06B60C9/09Y10T152/10765Y10T152/10828Y10T152/10837Y10T152/10864
    • A pneumatic radial tire in which a tread weight .alpha. per unit ground contact area is selected to be not greater than 1.80.times.10.sup.-3 kg/cm.sup.2, a cord reinforcing ply which extends up to a location outside of a top end of a bead filler in a radial direction of the tire is disposed in a bead portion and a cord angle .theta. of the cord reinforcing ply relative to a circumferential direction of the tire is selected to be 25.degree.-80.degree., a height RH of the cord reinforcing ply from a rim base up to the top end of the cord reinforcing ply, which is measured in the radial direction of the tire, is selected to satisfy the ratio, RH/SH=0.28-0.65, with SH being a cross-sectional height of the tire, and a height FH of the bead filler from the rim base up to the top end of the bead filler, which is measured in the radial direction of the tire, is selected to satisfy the ratio, FH/SH=0.11-0.28, with SH being the cross-sectional height of the tire.
    • 一种充气子午线轮胎,其中每单位接地面积的胎面重量α被选择为不大于1.80×10 -3 kg / cm 2,帘线增强层,其延伸到胎圈填料的顶端外侧的位置 轮胎的径向方向设置在胎圈部分中,并且帘线增强帘布层相对于轮胎的周向的帘线角度θ选择为25°-80°,帘线增强帘布层的高度RH从 选择在轮胎的径向方向上测量的帘线加强层的顶端的轮辋底座,以满足比率RH / SH = 0.28-0.65,其中SH是轮胎的横截面高度 ,并且选择胎圈填料从轮辋基座直到胎体填料的顶端的高度FH,其在轮胎的径向方向上测量,以满足比率FH / SH = 0.11-0.28,与 SH是轮胎的横截面高度。
    • 7. 发明授权
    • Pneumatic radial tire for passenger cars
    • 乘用车气动子午线轮胎
    • US5385188A
    • 1995-01-31
    • US875783
    • 1992-04-29
    • Tomohiko KogureYusaku Miyazaki
    • Tomohiko KogureYusaku Miyazaki
    • B60C9/20B60C9/22B60C11/00B60C11/04B60C9/18
    • B60C11/00B60C11/0306B60C9/2009B60C9/22
    • A pneumatic radial tire for passenger cars having a plurality of grooves formed in the tread and extending at least circumferentially of the tire, the tread being provided with two belt plies therein in such a manner that their belt cords extend in a crisscross pattern. The grooves have a depth in the range of 6.0 to 8.5 mm, with the thickness of the under-groove rubber layer from the bottom of the grooves to the outer belt ply being fixed within the range of 0.5 to 2.0 mm. The belt plies are placed one over another with the both edge portions left unfolded. At least one of the plies is made from aramid fiber cords and at least the both edge portions of the belt plies are covered with at least one belt cover ply which has a cord angle of no greater than 30 deg with respect to the circumference of the tire. The belt cover ply is made of organic fiber cords no larger than 0.7 mm in diameter at a picking density of 35 to 90 percent.
    • 一种用于乘用车的充气子午线轮胎,其具有形成在胎面中并且至少沿轮胎周向延伸的多个槽,胎面在其中设置有两个带束层,使得它们的带帘线以十字形图案延伸。 凹槽的深度在6.0至8.5mm的范围内,底槽橡胶层从凹槽底部至外侧带束层的厚度固定在0.5至2.0mm的范围内。 皮带层被放置在另一个上,两个边缘部分展开。 帘布层中的至少一个由芳族聚酰胺纤维帘线制成,并且至少带束层的两个边缘部分被至少一个带盖层覆盖,该帘布层帘布层相对于 胎。 皮带盖层由直径不大于0.7mm的有机纤维帘线制成,采摘密度为35%至90%。