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1. 发明公开

EP0238102A2 Pneumatic radial tire 失效
标题翻译： Gürtelluftreifen。
公开(公告)号：EP0238102A2
公开(公告)日：1987-09-23
申请号：EP87105949.9
申请日：1983-08-15
申请人： BRIDGESTONE TIRE COMPANY LIMITED
发明人： Togashi, Minoru , Kato, Kenshiro
IPC分类号： B60C3/04
CPC分类号： B60C3/04 , B60C9/0292 , B60C15/06
摘要： A pneumatic radial tire the carcass (3) of which has, on each side of a plane including the equatorial line of the tire in a radial cross-section passing through the rotational axis of the tire, a radial surface profile so selected that a ratio of radii R/R' is within a range of 0.65-0.85 and f is within a range of 5-10 mm when the tire is mounted on a normal rim (7) and inflated to normal internal pressure, where R' is a radius of a standard circle passing through points B, E and C, and R is a radius of profile curvature of a shoulder passing through the said point C, and where f is the maximum distance between an arc of the said standard circle and the remaining carcass line extending from the said profile curvature of the said shoulder to the point B having a single carcass curvature reverse position.
摘要翻译：一种充气子午线轮胎，其胎体（3）在包括轮胎的赤道线的平面的每一侧具有穿过轮胎的旋转轴线的径向横截面，所述径向表面轮廓被选择为使得比例当轮胎安装在正常轮辋（7）上时，R / R min在0.65-0.85的范围内，f在5-10mm的范围内，并且膨胀到正常的内部压力，其中R min是半径通过点B，E和C的标准圆的距离，R是通过所述点C的肩部的轮廓曲率的半径，并且其中f是所述标准圆的弧与剩余胎体之间的最大距离线从所述肩部的所述轮廓曲线延伸到具有单个胎体曲率倒置位置的点B.

2. 发明授权

EP0103984B1 Pneumatic radial tire and mould of manufacturing the same 失效
标题翻译：气动径向轮胎及其制造模具
公开(公告)号：EP0103984B1
公开(公告)日：1989-01-18
申请号：EP83304733.5
申请日：1983-08-15
申请人： BRIDGESTONE TIRE COMPANY LIMITED
发明人： Togashi, Minoru , Kato, Kenshiro
IPC分类号： B60C3/00 , B60C15/06
CPC分类号： B60C3/04 , B60C9/0292 , B60C15/06

3. 发明公开

EP0238102A3 Pneumatic radial tire 失效
标题翻译：气动辐射轮胎
公开(公告)号：EP0238102A3
公开(公告)日：1988-03-16
申请号：EP87105949
申请日：1983-08-15
申请人： BRIDGESTONE TIRE COMPANY LIMITED
发明人： Togashi, Minoru , Kato, Kenshiro
IPC分类号： B60C03/04
CPC分类号： B60C3/04 , B60C9/0292 , B60C15/06
摘要： A pneumatic radial tire the carcass (3) of which has, on each side of a plane including the equatorial line of the tire in a radial cross-section passing through the rotational axis of the tire, a radial surface profile so selected that a ratio of radii R/R' is within a range of 0.65-0.85 and f is within a range of 5-10 mm when the tire is mounted on a normal rim (7) and inflated to normal internal pressure, where R' is a radius of a standard circle passing through points B, E and C, and R is a radius of profile curvature of a shoulder passing through the said point C, and where f is the maximum distance between an arc of the said standard circle and the remaining carcass line extending from the said profile curvature of the said shoulder to the point B having a single carcass curvature reverse position.

4. 发明授权

EP0238102B1 Pneumatic radial tire 失效
公开(公告)号：EP0238102B1
公开(公告)日：1992-04-01
申请号：EP87105949.9
申请日：1983-08-15
申请人： BRIDGESTONE TIRE COMPANY LIMITED
发明人： Togashi, Minoru , Kato, Kenshiro
IPC分类号： B60C3/04
CPC分类号： B60C3/04 , B60C9/0292 , B60C15/06

5. 发明公开

EP0103984A3 Pneumatic radial tire and method of manufacturing the same 失效
标题翻译：气动辐射轮胎及其制造方法
公开(公告)号：EP0103984A3
公开(公告)日：1985-01-16
申请号：EP83304733
申请日：1983-08-15
申请人： BRIDGESTONE TIRE COMPANY LIMITED
发明人： Togashi, Minoru , Kato, Kenshiro
IPC分类号： B60C03/00 , B60C15/06
CPC分类号： B60C3/04 , B60C9/0292 , B60C15/06
摘要： A pneumatic radial tire having reduced rolling resistance and simultaneously improved steering stability and riding comfort during running without adversely affecting the wet performance and durability thereof is obtained by making higher the carcass maximum width position (Q) and the carcass curvature reverse position (D), or enlarging the curvature of the carcass in the radially outer zone of the carcass maximum width position and simultaneously the carcass curvature reverse extent in the radially inner zone of the sidewalls so as to intentionally deviate from the naturally equilibrated configuration. A method of manufacturing a pneumatic radial tire having reduced rolling resistance uses a mould for vulcanizing and forming the tire therein, which mould has a particular shape of cavity having a foot width 20-50% wider than the rim width and diverging progressively from corresponding shoulder portions to the wider foot portion of the cavity.

6. 发明公开

EP0103984A2 Pneumatic radial tire and mould of manufacturing the same 失效
标题翻译： Radialreifen und Form zu seiner Herstellung。
公开(公告)号：EP0103984A2
公开(公告)日：1984-03-28
申请号：EP83304733.5
申请日：1983-08-15
申请人： BRIDGESTONE TIRE COMPANY LIMITED
发明人： Togashi, Minoru , Kato, Kenshiro
IPC分类号： B60C3/00 , B60C15/06
CPC分类号： B60C3/04 , B60C9/0292 , B60C15/06
摘要： A pneumatic radial tire having reduced rolling resistance and simultaneously improved steering stability and riding comfort during running without adversely affecting the wet performance and durability thereof is obtained by making higher the carcass maximum width position (Q) and the carcass curvature reverse position (D), or enlarging the curvature of the carcass in the radially outer zone of the carcass maximum width position and simultaneously the carcass curvature reverse extent in the radially inner zone of the sidewalls so as to intentionally deviate from the naturally equilibrated configuration.
A method of manufacturing a pneumatic radial tire having reduced rolling resistance uses a mould for vulcanizing and forming the tire therein, which mould has a particular shape of cavity having a foot width 20-50% wider than the rim width and diverging progressively from corresponding shoulder portions to the wider foot portion of the cavity.
摘要翻译：通过使胎体最大宽度位置（Q）和胎体曲率反转位置（D）更高，可以获得具有降低的滚动阻力并且同时改善操纵稳定性和行驶中乘坐舒适性的充气子午线轮胎，而不会不利地影响湿性能和耐久性，或增加胎体最大宽度位置的径向外部区域中的胎体的曲率，同时在侧壁的径向内部区域中同时具有胎体曲率反转范围，从而有意地偏离自然平衡的构造。制造具有降低的滚动阻力的充气子午线轮胎的方法使用在其中硫化和形成轮胎的模具，该模具具有特定形状的空腔，其宽度比边缘宽度宽20-50％，并逐渐从对应的肩部发散部分到空腔的较宽的脚部。

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