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    • 2. 发明申请
    • SAFETY TIRE
    • 安全轮胎
    • US20100126648A1
    • 2010-05-27
    • US12526064
    • 2008-02-06
    • Kanji Fujiki
    • Kanji Fujiki
    • B60C17/08
    • B60C17/0009B60C17/0027B60C2017/0063
    • In order to provide a safety tire which is improved in a riding comfort characteristic to a large extent while maintaining run flat durability at a practicable level, assumed is a constitution of a safety tire A comprising a left and right pair of the bead parts 1, at least one carcass layer 2 coupled from one of the bead parts 1 to the other one thereof, the tread part 3 and the reinforcing belt 4 disposed at the outside in a tire radial direction of the carcass layer 2, a pair of the side wall parts 5 disposed left and right at the tread part 3, an inner liner layer 6 located at the inside of the carcass layer 2 and a pair of an annular side reinforcing rubber layers 7 having a crescent cross-section which are located between the carcass layer 2 and the inner liner layer 6 in a part corresponding to the side wall part, wherein in the side reinforcing rubber layer 7, an elastic modulus is gradually reduced in a range of 0.1 to 1.0 MPa in terms of a difference in a 100% tension modulus of adjacent 2 mm layers at any part in a radial direction in the reinforcing rubber extending from the carcass layer side 2 to the inner liner layer side 7.
    • 为了提供一种提高乘坐舒适特性的安全轮胎,同时将跑步平面耐久性维持在可行的水平,假设是包括左右一对胎圈部分1的安全轮胎A的构造, 至少一个胎体层2从胎圈部件1中的一个与另一个胎圈部件1相连,胎体部3和加强带4设置在胎体层2的轮胎径向外侧,一对侧壁 在胎面部3处左右设置的部分5,位于胎体层2内侧的内衬层6和具有月牙形横截面的一对环形侧面增强橡胶层7,胎圈层6位于胎体层之间 2和内衬层6在与侧壁部对应的部分中,其中在侧面增强橡胶层7中,以100%张力的差异,弹性模量在0.1〜1.0MPa的范围内逐渐降低 模数 在从胎体层侧2向内衬层侧7延伸的增强橡胶中的径向方向上的任意部分相邻的2mm层。