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1. 发明授权

EP3106324B1 RUN-FLAT RADIAL TIRE 失效
公开(公告)号：EP3106324B1
公开(公告)日：2019-06-26
申请号：EP14882453.5
申请日：2014-12-12
申请人： Bridgestone Corporation
发明人： SAKURAI, Kenichi
IPC分类号： B60C17/00 , B60C3/04 , B60C11/03 , B60C15/00 , B60C9/28

2. 发明授权

EP3109068B1 RUN-FLAT TIRE 失效
公开(公告)号：EP3109068B1
公开(公告)日：2019-07-10
申请号：EP14883035.9
申请日：2014-12-12
申请人： Bridgestone Corporation
发明人： SAKURAI, Kenichi
IPC分类号： B60C15/04 , B60C15/06 , B60C17/00 , B60C13/00 , B60C15/024

3. 发明公开

EP3106324A1 RUN FLAT RADIAL TIRE 失效
标题翻译：路边DRIVE强大的子午轮胎
公开(公告)号：EP3106324A1
公开(公告)日：2016-12-21
申请号：EP14882453.5
申请日：2014-12-12
申请人： Bridgestone Corporation
发明人： SAKURAI, Kenichi
IPC分类号： B60C17/00 , B60C3/04 , B60C11/03
CPC分类号： B60C17/0009 , B60C3/04 , B60C9/28 , B60C15/0045
摘要： A run-flat radial tire (10) includes: a carcass (14) spanning between a pair of bead portions (12); an inclined belt layer (16) that is provided at a tire radial direction outer side of the carcass (14) and that is configured by one or more belt plys; a tread portion (20) that is provided at a tire radial direction outer side of the inclined belt layer (16) and that is formed with plural circumferential direction grooves (21); and side reinforcing rubber (24) that is provided at tire side portions (22), that extends along an inner face (14A) of the carcass (14) from a side of the bead portion (12) to a side of the tread portion (20) and overlaps a maximum width belt ply (16A), that has an overlap width (P) along a tire width direction with the maximum width belt ply (16A) with a length of 20% or more of a section height (SH), and that has an upper end portion (24B) at the tread portion (20) side that is positioned further toward a tire width direction outer side than a groove bottom (21AB) of a circumferential direction groove (21A) that is furthest toward the tire width direction outer side.

4. 发明授权

EP3009278B1 RUN-FLAT TIRE 有权
标题翻译： RUN-FLAT轮胎
公开(公告)号：EP3009278B1
公开(公告)日：2018-04-11
申请号：EP14810340.1
申请日：2014-05-12
申请人： Bridgestone Corporation
发明人： SAKURAI, Kenichi , MOTOORI, Osamu , OGAWA, Gaku
IPC分类号： B60C17/00 , B60C15/06
CPC分类号： B60C17/0009 , B60C9/02 , B60C15/0603 , B60C17/08 , B60C2015/061 , B60C2017/0054 , B60C2017/0063 , B60C2017/0072 , Y10T152/10837
摘要： A tire (10) includes: bead cores (18); a carcass (22); a bead filler (20) that extends along an outer face (220) of the carcass (22) from the bead core (18) toward a tire radial direction outer side; and side reinforcing rubber (26) that is provided at a tire side portion (14), that extends in the tire radial direction along an inner face (22I) of the carcass (22), that decreases in thickness on progression toward the bead core (18) side and toward a tread portion (16) side, that has an end portion (26B) at the bead core (18) side that overlaps with bead filler (20) with the carcass (22) sandwiched therebetween, and that has an elongation at break of 130% or above, wherein a thickness (GB) of the side reinforcing rubber (26) at a midpoint (Q) between an end portion (20A) at the tire radial direction outer side of the bead filler (20) running along the carcass (22), and the end portion (26B) is 40% to 80% of a maximum thickness (GA).

5. 发明公开

EP3109068A1 RUN-FLAT TIRE 失效
标题翻译： RUN-FLAT轮胎
公开(公告)号：EP3109068A1
公开(公告)日：2016-12-28
申请号：EP14883035.9
申请日：2014-12-12
申请人： Bridgestone Corporation
发明人： SAKURAI, Kenichi
IPC分类号： B60C17/00 , B60C15/024
CPC分类号： B60C17/0009 , B60C15/024 , B60C15/04 , B60C15/0603 , B60C2013/007 , B60C2017/0063
摘要： A tire (10) includes: a pair of bead portions (12) in which a bead core (18) is each embedded and that have a bead heel diameter (DH) that is from 0.42% to 0.72% smaller than a rim diameter (DR) of a standard rim (30); a carcass (22) that spans a region between the pair of bead portions (12) and that has end portion sides anchored to the bead cores (18); bead filler (20) that extends from each bead core (18) toward a tire radial direction outer side so as to run along an outer face (220) of the carcass (22); and side reinforcing rubber (26) that is provided at tire side portions (14), that extends in the tire radial direction along an inner face (22I) of the carcass (22), that has an end portion (26B) at each bead core (18) side overlapping the bead filler (20) with the carcass (22) interposed therebetween, and that has elongation at break of 130% or greater.
摘要翻译：轮胎（10）包括：一对胎圈部（12），胎圈芯（18）分别嵌入胎圈芯部（18）并且具有比轮辋直径（0.42％）小0.42％的胎踵直径（DH） DR）的标准轮辋（30）; 胎体（22），其横跨所述一对胎圈部（12）之间的区域并具有固定于所述胎圈芯（18）的端部侧; 从胎圈芯（18）朝向轮胎径向外侧延伸以沿着胎体（22）的外表面（220）延伸的胎圈填充物（20）; 和设置在轮胎侧部（14）的胎侧加强橡胶（26），所述胎侧加强橡胶沿着胎体（22）的内表面（22I）沿轮胎径向延伸，所述胎侧加强橡胶具有在每个胎圈芯部（18）侧与胎圈填充物（20）重叠并且胎体（22）介于它们之间，并且具有130％或更大的断裂伸长率。

6. 发明公开

EP3009278A1 RUN-FLAT TIRE 有权
标题翻译： RUN-FLAT轮胎
公开(公告)号：EP3009278A1
公开(公告)日：2016-04-20
申请号：EP14810340.1
申请日：2014-05-12
申请人： Bridgestone Corporation
发明人： SAKURAI, Kenichi , MOTOORI, Osamu , OGAWA, Gaku
IPC分类号： B60C17/00 , B60C15/06
CPC分类号： B60C17/0009 , B60C9/02 , B60C15/0603 , B60C17/08 , B60C2015/061 , B60C2017/0054 , B60C2017/0063 , B60C2017/0072
摘要： A tire (10) includes: bead cores (18); a carcass (22); a bead filler (20) that extends along an outer face (220) of the carcass (22) from the bead core (18) toward a tire radial direction outer side; and side reinforcing rubber (26) that is provided at a tire side portion (14), that extends in the tire radial direction along an inner face (22I) of the carcass (22), that decreases in thickness on progression toward the bead core (18) side and toward a tread portion (16) side, that has an end portion (26B) at the bead core (18) side that overlaps with bead filler (20) with the carcass (22) sandwiched therebetween, and that has an elongation at break of 130% or above, wherein a thickness (GB) of the side reinforcing rubber (26) at a midpoint (Q) between an end portion (20A) at the tire radial direction outer side of the bead filler (20) running along the carcass (22), and the end portion (26B) is 40% to 80% of a maximum thickness (GA).
摘要翻译：轮胎（10）包括：胎圈芯（18）; 一个尸体（22）; 胎圈填料（20），其沿胎体（22）的外表面（220）从胎圈芯（18）向轮胎径向外侧延伸; 和设置在轮胎侧部（14）的胎侧加强橡胶（26），所述胎侧加强橡胶（26）沿胎体（22）的内表面（22I）沿轮胎径向延伸，随着朝向胎圈芯（18）侧且朝向胎面部（16）侧延伸，胎体芯（18）侧具有与胎圈填胶（20）重叠并且胎体（22）夹在其间的端部（26B），并且具有（20）的胎圈填胶（20）的轮胎径向外侧的中间点（Q）处的胎侧补强橡胶（26）的厚度（GB）为130％或更大，）沿胎体（22）延伸，并且端部（26B）为最大厚度（GA）的40％至80％。

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