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1. 发明授权

US5186774A Heavy duty radial tire with defined carcass turnup curvature 失效
标题翻译：重型子午线轮胎具有定义的胎体翻转曲率
公开(公告)号：US5186774A
公开(公告)日：1993-02-16
申请号：US695109
申请日：1991-05-03
申请人： Kiyoshi Ueyoko , Tsuneyuki Nakagawa , Yasuyoshi Mizukoshi
发明人： Kiyoshi Ueyoko , Tsuneyuki Nakagawa , Yasuyoshi Mizukoshi
IPC分类号： B60C15/00 , B60C15/024
CPC分类号： B60C9/08 , B60C15/0027 , B60C15/0072 , B60C15/024 , Y10T152/10819 , Y10T152/10837
摘要： A heavy duty radial tire and rim assembly exhibiting improved bead durability, wherein the bottom face of the bead is composed of an axially inner face Si and an axially outer face So each tapered axially inward to decrease the diameter of the bottom face, the taper in the inner face Si is greater than that of the outer face So, the boundary between the inner face Si and the outer face So is located axially inward of the center of gravity of the bead core, and in the condition that the tire is mounted on a regular rim and inflated to a regular pressure, the axial distance X of the axially inner edge Q2 of the bead core from a bead heel Q1 defined as an intersection between a rim base line B and an extending line of the inner surface of a rim flange of the rim is not less than 80% and not more than 105% of the height HR of the radially outer edge Q3 of the rim flange from the rim base line; and the radial distance Y of the radially outer edge Q4 of the bead core measured radially inwardly from the radially outer edge Q3 of the rim flange is not less than 0% and not more than 30% of the height HR of the rim flange from the rim base line.
摘要翻译：具有改善的胎圈耐久性的重型子午线轮胎和轮辋组件，其中胎圈的底面由轴向内表面Si和轴向外表面So构成，每个锥形轴向向内以减小底面的直径，内表面Si大于外表面So的内表面Si和外表面So之间的边界位于胎圈芯的重心的轴向内侧，并且在轮胎安装在规则的轮辋并且膨胀到规则的压力，胎圈芯的轴向内边缘Q2的轴向距离X与限定为轮辋底线B和轮辋内表面的延伸线之间的交点的胎缘跟部Q1 边缘的凸缘不小于轮辋底线的边缘凸缘的径向外边缘Q3的高度HR的80％且不大于105％; 并且胎圈芯的径向外缘Q4的径向距离Y从边缘凸缘的径向外边缘Q3径向向内测量，不小于边缘凸缘的高度HR的0％且不大于30％边缘基线。

2. 发明授权

US5085260A Heavy duty radial tire with a carcass turnup portion having specific dimensions 失效
标题翻译：具有具有特定尺寸的胎体翻转部分的重型子午线轮胎
公开(公告)号：US5085260A
公开(公告)日：1992-02-04
申请号：US291228
申请日：1988-12-28
申请人： Kiyoshi Ueyoko , Yasuyoshi Mizukoshi , Kazushige Ikeda , Munemitsu Yamada
发明人： Kiyoshi Ueyoko , Yasuyoshi Mizukoshi , Kazushige Ikeda , Munemitsu Yamada
IPC分类号： B60C3/04 , B60C15/00 , B60C15/024 , B60C15/06
CPC分类号： B60C9/08 , B60C15/0027 , B60C15/024 , B60C15/06 , B60C3/04 , Y10T152/10819 , Y10T152/10837
摘要： A heavy duty radial tire and rim assembly comprising a pair of bead cores, a carcass, a belt, and a pair of bead apexes, wherein in at least one of the bead portions, when the tire is mounted on a normal rim specified for the tire and inflated to a normal pressure, a thickness center line of a carcass turnup portion between two points is cured and located axially inward of a straight line drawn between the two points, the quotient (X/HR) of the axial distance (X) of the inner end (Q2) of the bead core from a bead heel point (Q1), to the height (HR) of a flange of the normal rim is in a range of 0.8 to 1.05, wherein the bead heel point (Q1) is defined as in intersection of an extension of the outer surface of the bead portion with an extension of the bead base, and the quotient (Y/HR) of the radial distance (Y) from the radially outer end (Q3) of the flange of the rim to the radially outer end (Q4) of the bead core, to the height (HR) of the flange of the rim is in a range of 0 to 0.3.
摘要翻译：一种重型子午线轮胎和轮辋组件，包括一对胎圈芯，胎体，带和一对胎圈三角形，其中在所述胎圈部分中的至少一个中，当所述轮胎安装在为轮胎充气至正常压力，两点之间的胎体翻转部的厚度中心线被固化并且位于两点之间的直线的轴向内侧，轴向距离（X）的商（X / HR）（Q1）的凸缘的内端（Q2）到凸缘的高度（HR）在0.8至1.05的范围内，其中胎圈跟随点（Q1）被定义为在胎圈部分的外表面的延伸部与胎圈基部的延伸部的交叉处，并且与凸缘的径向外端部（Q3）的径向距离（Y）的商（Y / HR）的轮缘的径向外端（Q4）与轮缘的凸缘的高度（HR）之间的距离在0至0.3的范围内。

3. 发明授权

US5121781A Heavy duty radial tire 失效
标题翻译：重型辐射轮胎
公开(公告)号：US5121781A
公开(公告)日：1992-06-16
申请号：US388056
申请日：1989-08-01
申请人： Kiyoshi Ueyoko , Tsuneyuki Nakagawa , Yasuyoshi Mizukoshi
发明人： Kiyoshi Ueyoko , Tsuneyuki Nakagawa , Yasuyoshi Mizukoshi
IPC分类号： B60C15/00 , B60C15/024
CPC分类号： B60C9/08 , B60C15/0027 , B60C15/0072 , B60C15/024 , B60C2015/061 , Y10T152/10819
摘要： A heavy duty radial tire and rim assembly exhibiting improved bead durability, wherein the bottom face of the bead is composed of an axially inner face Si and an axially outer face So each tapered axially inward to decrease the diameter of the bottom face, the taper in the inner face Si is greater than that of the outer face So, the boundary between the inner face Si and the outer face So is located axially inward of the center of gravity of the bead core, and in the condition that the tire is mounted on a regular rim and inflated to a regular pressure, the axial distance X of the axially inner edge Q2 of the bead core from a bead heal Q1 defined as an intersection between a rim base line B and an extending line of the inner surface of a rim flange of the rim is not less than 80% and not more than 105% of the height HR of the radially outer edge Q3 of the rim flange from the rim base line; and the radial distance Y of the radially outer edge Q4 of the bead core measured radially inwardly from the radially outer edge Q3 of the rim flange is not less than 0% and not more than 30% of the height HR of the rim flange from the rim base line.

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