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1. 发明授权

EP1454767B1 HEAVY DUTY TIRE 有权
标题翻译：重型轮胎
公开(公告)号：EP1454767B1
公开(公告)日：2008-11-05
申请号：EP02805011.0
申请日：2002-10-09
申请人： SUMITOMO RUBBER INDUSTRIES, LTD.
发明人： MARUOKA, Kiyoto, Sumitomo Rubber Industries, Ltd. , NISHI, Minoru, Sumitomo Rubber Industries, Ltd , YAMAHIRA, Atsushi, Sumitomo Rubber Industries, Ltd
IPC分类号： B60C11/00 , B60C9/18
CPC分类号： B60C11/0306 , B60C3/04 , B60C9/18 , B60C9/2006 , B60C11/00 , B60C11/04
摘要： A heavy duty tire, wherein, a minimum position Qt where a tread thickness T from a second belt pry (7B) is a minimum value Tmin is provided in an area Y apart 0.5 to 0.7 times a tread ground-contact surface half width (WT/2) from a tire equator C, the ratio Tmin/Tc of the minimum value Tmin to the tread thickness Tc at the tire equator C is 0.92 to 0.97 and the ratio Tb/Tc of the tread thickness Tb at the outer end of the second belt ply (7B) to the tread thickness Tc is 0.95 to 1.10, a minimum position Qk where a tread thickness K from a carcass (6) is a minimum value Kmin is provided in the area Y, and the ratio Kmin/Kc of the minimum value Kmin to a tread thickness Kc at the tire equator C is 0.97 to 0.998 and the ratio Kb/Kc of a tread thickness Kb at the outer end of the second belt ply (7B) to the tread thickness Kc is 1.2 to 1.5.
摘要翻译：一种重载轮胎，其中在距胎面接地面半宽度WT（WT）的0.5倍至0.7倍的区域Y中设置最小位置Qt，其中来自第二带撬装件（7B）的胎面厚度T为最小值Tmin， / 2），轮胎赤道C处的最小值Tmin与胎面厚度Tc之比Tmin / Tc为0.92〜0.97，而轮胎赤道C的外端处的胎面厚度Tb之比Tb / Tc 第二带束层帘布层（7B）与胎面厚度Tc之比为0.95至1.10，在区域Y中设置胎体（6）的胎面厚度K为最小值Kmin的最小位置Qk，并且将Kmin / Kc 相对于轮胎赤道C的胎面厚度Kc的最小值Kmin为0.97〜0.998，第二带束层（7B）的外端的胎面厚度Kb相对于胎面厚度Kc的比率Kb / Kc为1.2〜1.5 。

2. 发明公开

EP1454767A1 HEAVY DUTY TIRE 有权
标题翻译： REIFENFÜRHOHE BEANSPRUCHUNGEN
公开(公告)号：EP1454767A1
公开(公告)日：2004-09-08
申请号：EP02805011.0
申请日：2002-10-09
申请人： Sumitomo Rubber Industries, Ltd.
发明人： MARUOKA, Kiyoto, Sumitomo Rubber Industries, Ltd. , NISHI, Minoru, Sumitomo Rubber Industries, Ltd , YAMAHIRA, Atsushi, Sumitomo Rubber Industries, Ltd
IPC分类号： B60C11/00 , B60C9/18
CPC分类号： B60C11/0306 , B60C3/04 , B60C9/18 , B60C9/2006 , B60C11/00 , B60C11/04
摘要： When a tread thickness from a second belt ply 7B is defined as T, a minimum position Qt in which the tread thickness T becomes a minimum value Tmin is provided in a region Y which is away from a tire equator C by a distance of 0.5 to 0.7 times of a tread grounding half width WT/2. A ratio Tmin/Tc between said minimum value Tmin and the tread thickness Tc at the position of the tire equator C is 0.92 to 0.97, and a ratio Tb/Tc between a tread thickness Tb at a position of an outer end of the second belt ply and said tread thickness Tc is 0.95 to 1.10. When a tread thickness from a carcass 6 is defined as K, a minimum position Qk in which a tread thickness K becomes a minimum value Kmin is provided in said region Y. A ratio Kmin/Kc between said minimum value Kmin and a tread thickness Kc at a position of the tire equator C is 0.97 to 0.998, and a ratio Kb/Kc between the tread thickness Kb at a position of the outer end of the second belt ply and said tread thickness Kc is 1.2 to 1.5.
摘要翻译：当将来自第二带束层7B的胎面厚度定义为T时，将胎面厚度T变为最小值Tmin的最小位置Qt设置在远离轮胎赤道C的距离为0.5〜 0.7倍胎面接地半宽度WT / 2。轮胎赤道C的位置处的所述最小值Tmin与胎面厚度Tc之比Tmin / Tc为0.92〜0.97，第二带外端的位置处的胎面厚度Tb的比Tb / Tc 并且所述胎面厚度Tc为0.95〜1.10。当将来自胎体6的胎面厚度定义为K时，在所述区域Y中设置胎面厚度K为最小值Kmin的最小位置Qk。所述最小值Kmin与胎面厚度Kc之间的比Kmin / Kc 轮胎赤道C的位置为0.97〜0.998，第二带束帘布层的外端部的胎面厚度Kb与胎面厚度Kc的比值Kb / Kc为1.2〜1.5。

3. 发明授权

EP1466759B1 HEAVY DUTY TIRE 有权
标题翻译：高性能轮胎
公开(公告)号：EP1466759B1
公开(公告)日：2008-11-12
申请号：EP02793351.4
申请日：2002-12-13
申请人： SUMITOMO RUBBER INDUSTRIES, LTD.
发明人： MARUOKA, Kiyoto, Sumitomo Rubber Industries, Ltd. , NISHI, Minoru, Sumitomo Rubber Industries, Ltd , YAMAHIRA, Atsushi, Sumitomo Rubber Industries Ltd. , KIMISHIMA, Takahiro, Sumitomo Rubber Industrie Ltd , TSUDA, Satoshi, Sumitomo Rubber Industries, Ltd.
IPC分类号： B60C11/00 , B60C11/04
CPC分类号： B60C11/0332 , B60C11/00 , B60C11/0306 , B60C11/04 , B60C2011/0388 , Y10T152/10765
摘要： A heavy duty tire having a tread part (2) divided into five inner, middle, and outer rib-shaped land portions (R1), (R2) and (R2), and (R3) and (R3), wherein the inner rib-shaped land part (R1) is virtually divided into half areas (R1a) and (R1a) on both sides of a tire equator, and the middle and outer rib-shaped land portions (R2) and (R3) are virtually divided into the half areas (R2c) and (R3c) on the tire equator side and the half areas (R2e) and (R3e) on ground-contact end side, and where the sum total of a ground-contact load loaded on the half areas (R1a), (R2c), (R2e), (R3c), and (R3e) are (P1a), (P2c), (P2e), (P3c), and (P3e) in a normal ground-contact state where a normal load is applied, P2c/P1a is 0.9 to 1.05, P2e/P2c is 0.75 to 1.0, P3c/P2e is 0.9 to 1.2, and P3e/P3c is 0.8 to 1.1.

4. 发明公开

EP1466759A1 HEAVY DUTY TIRE 有权
标题翻译： HOCHLEISTUNGSREIFEN
公开(公告)号：EP1466759A1
公开(公告)日：2004-10-13
申请号：EP02793351.4
申请日：2002-12-13
申请人： Sumitomo Rubber Industries, Ltd.
发明人： MARUOKA, Kiyoto, Sumitomo Rubber Industries, Ltd. , NISHI, Minoru, Sumitomo Rubber Industries, Ltd , YAMAHIRA, Atsushi, Sumitomo Rubber Industries Ltd. , KIMISHIMA, Takahiro, Sumitomo Rubber Industrie Ltd , TSUDA, Satoshi, Sumitomo Rubber Industries, Ltd.
IPC分类号： B60C11/00 , B60C11/04
CPC分类号： B60C11/0332 , B60C11/00 , B60C11/0306 , B60C11/04 , B60C2011/0388 , Y10T152/10765
摘要： A heavy duty tire has a tread portion 2 which is divided into five inner, intermediate and outer rib-like land portions R1, R2, R2, R3 and R3. The inner rib-like land portion R1 is virtudally divided into half regions R1a and R1a on each side of a tire equator. The intermediate rib-like land portions R2 and R3 are virtually divided into tire equator-side half regions R2c and R3c, and into ground-contact edge-side half regions R2e and R3e. In a regular ground-contact state in which a normal load is applied, when total sums of ground-contact load applied to the half regions R1a, R2c, R2e, R3c and R3e are defined as P1a, P2c, P2e, P3c and P3e,

P2c/P1a is set to 0.9 to 1.05,
P2e/P2c is set to 0.75 to 1.0,
P3c/P2e is set to 0.9 to 1.2, and
P3e/P3c is set to 0.8 to 1.1.
摘要翻译：重型轮胎具有胎面部分2，其被分成五个内部，中间和外部肋状陆部R1，R2，R2，R3和R3。内部肋状陆部R1在轮胎赤道的每一侧被美分地分成半个区域R1a和R1a。中间肋状陆部R2，R3被虚拟地分割为轮胎赤道半侧区域R2c，R3c，接地边缘半部区域R2e，R3e。在施加正常负载的常规接地状态下，当施加到半个区域R1a，R2c，R2e，R3c和R3e的接地负载的总和被定义为P1a，P2c，P2e，P3c和P3e时， P2c / P1a设定为0.9〜1.05，P2e / P2c设定为0.75〜1.0，P3c / P2e设定为0.9〜1.2，P3e / P3c设定为0.8〜1.1。

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