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1. 发明授权

EP2907674B1 Pneumatic tire 有权
公开(公告)号：EP2907674B1
公开(公告)日：2018-10-10
申请号：EP15152821.3
申请日：2015-01-28
申请人： Sumitomo Rubber Industries, Ltd.
发明人： Kurosawa, Hiroyuki
IPC分类号： B60C11/03 , B60C11/12 , B60C11/00
CPC分类号： B60C11/1204 , B60C11/0302 , B60C11/1259 , B60C11/1263 , B60C2011/0025 , B60C2011/0341 , B60C2011/0358 , B60C2011/1213 , B60C2011/1268
摘要： A pneumatic tire includes a tread portion (2) with a designated rotational direction (R); the tread portion is provided with a shoulder main groove (3) arranged nearby a tread edge (Te), a plurality of shoulder lateral grooves (4) each extending from the shoulder main groove to the tread edge to form a plurality of shoulder blocks (7); each of the shoulder blocks includes a zigzag leading edge (13) including an external corner with a first vertex (18) formed between a long inclined side and a short inclined side; one of the shoulder blocks is provided with a plurality of shoulder sipes (21) extending at an angle of 0 to 20 degrees with respect to an axial direction of the tire, wherein one of the shoulder sipes includes a deep portion (22) and a shallow portion (23) that is arranged so as to include a position at the same lateral position than the first vertex (18).

2. 发明公开

EP3378678A1 TIRE 有权
公开(公告)号：EP3378678A1
公开(公告)日：2018-09-26
申请号：EP17197901.6
申请日：2017-10-24
申请人： Sumitomo Rubber Industries, Ltd.
发明人： SHIBATA, Mitsutoshi
IPC分类号： B60C11/03 , B60C11/12 , B60C11/13
CPC分类号： B60C11/0306 , B60C11/1236 , B60C11/1369 , B60C2011/0346 , B60C2011/0348 , B60C2011/0374 , B60C2011/1213 , B60C2011/1268
摘要： The object of the present invention is to improve on-snowy and icy road performance while maintaining steering stability on dry road surfaces.
Provided is a tire (1) in which a shoulder land portion (3), a middle land portion (4), and a circumferential narrow groove (10) provided between the middle land portion (4) and the shoulder land portion (3) and extending in a tire circumferential direction are provided in a tread portion (2). A plurality of middle sipes (11) having an angle α relative to a tire axial direction are provided in the middle land portion (4). A plurality of shoulder sipes (13) are provided in the shoulder land portion (3). The plurality of shoulder sipes (13) each have an inner inclined portion (15) provided closer to the circumferential narrow groove (10) and inclined relative to the tire axial direction at an angle β greater than the angle α of the middle sipe (11).

3. 发明授权

EP3150407B1 PNEUMATIC TIRE 有权
公开(公告)号：EP3150407B1
公开(公告)日：2018-09-05
申请号：EP15799184.5
申请日：2015-05-28
申请人： Bridgestone Corporation
发明人： SHIMURA, Takashi
IPC分类号： B60C11/12 , B60C11/01 , B60C11/13 , B60C11/03
CPC分类号： B60C11/0304 , B60C11/01 , B60C11/03 , B60C11/0306 , B60C11/12 , B60C11/1236 , B60C11/1259 , B60C11/13 , B60C17/0009 , B60C2011/0355 , B60C2011/036 , B60C2011/1209 , B60C2011/1245 , B60C2011/1254 , B60C2011/1268 , B60C2011/1361 , B60C2017/0054
摘要： The pneumatic tire of this disclosure comprises on a tread surface a widthwise outermost land portion partitioned by an outermost circumferential main groove and a tread edge, the outermost circumferential main groove being closest to the tread edge and extending in a tread circumferential direction, wherein: the widthwise outermost land portion has a plurality of side sipes extending to a tread widthwise outer side in a manner spaced from each other in the tread circumferential direction; the widthwise outermost land portion has an inner circumferential sipe and an outer circumferential sipe, the inner circumferential sipe extending in the tread circumferential direction, the outer circumferential sipe being positioned on a tread widthwise side outer than the inner circumferential sipe and extending in the tread circumferential direction; and, when h1 is a groove depth of the outermost circumferential main groove, h2 is a sipe depth of the inner circumferential sipe, and h3 is a sipe depth of the outer circumferential sipe, h1, h2 and h3 satisfy: h1>h3>h2.

4. 发明公开

EP3083283A4 TIRE HAVING CIRCUMFERENTIALLY BIASED SIPE DEPTHS 审中-公开
标题翻译： REIFEN麻省理工学院UMFANGSRICHTUNG VORGESPANNTEN LAMELLENTIEFEN
公开(公告)号：EP3083283A4
公开(公告)日：2017-08-16
申请号：EP14872174
申请日：2014-12-10
申请人： BRIDGESTONE AMERICAS TIRE OPERATIONS LLC
发明人： KIDNEY JACOB R , TURNER JOHN L
IPC分类号： B60C11/03 , B60C11/11 , B60C11/12
CPC分类号： B60C11/1259 , B29D2030/0613 , B60C11/11 , B60C11/1263 , B60C11/1272 , B60C2011/1209 , B60C2011/1268
摘要： A tire includes a tread having a first plurality of tread blocks on a first side of an equatorial plane and a second plurality of tread blocks on the second side. Each of the first plurality of tread blocks has a first leading lug wall, a first trailing lug wall, a first leading sipe proximate to the first leading lug wall, and a first trailing sipe proximate to the first trailing lug wall. Each of the second plurality of tread blocks has a second leading lug wall, a second trailing lug wall, a second leading sipe proximate to the second leading lug wall, and a second trailing sipe proximate to the second trailing lug wall. The first leading sipes have a depth greater that of the first trailing sipes. The second leading sipes have a depth less than that of the second trailing sipes.
摘要翻译：轮胎包括胎面，该胎面具有在赤道面的第一侧上的第一多个胎面花纹块和在第二侧上的第二多个胎面花纹块。第一组多个胎面花纹块中的每一个都具有第一前凸耳壁，第一后凸耳壁，靠近第一前凸耳壁的第一前切迹线以及靠近第一后凸耳壁的第一后切迹线。第二多个胎面花纹块中的每一个均具有第二前凸耳壁，第二后凸耳壁，靠近第二前凸耳壁的第二前轮胎花纹以及靠近第二后凸耳壁的第二后轮胎纹。第一条主要的刀槽花纹的深度大于第一条末端的刀槽花纹。第二条主导沟槽的深度小于第二条尾沟槽的深度。

5. 发明公开

EP3192673A1 PNEUMATIC TIRE 失效
标题翻译：充气轮胎
公开(公告)号：EP3192673A1
公开(公告)日：2017-07-19
申请号：EP15840083.8
申请日：2015-08-05
申请人： Bridgestone Corporation
发明人： SHIMURA, Takashi
IPC分类号： B60C11/01 , B60C5/00 , B60C11/03 , B60C11/12
CPC分类号： B60C11/0304 , B60C1/0016 , B60C5/00 , B60C11/01 , B60C11/03 , B60C11/0309 , B60C11/12 , B60C11/1236 , B60C11/1272 , B60C11/1281 , B60C11/1353 , B60C2011/0348 , B60C2011/0355 , B60C2011/1268 , B60C2011/1277
摘要： Provided is a pneumatic tire capable of improving on-snow performance, drainage performance and ride comfort. The disclosed pneumatic tire is a pneumatic tire that includes a plurality of circumferential main grooves and is configured to be mounted in a specified vehicle mounting direction. On the tread surface, when a land portion defined by a circumferential main groove located innermost in the vehicle mounting direction and the tread edge is defined as an inner shoulder land portion and a land portion defined by a circumferential main groove located outermost in the vehicle mounting direction and the tread edge is defined as an outer shoulder land portion, the inner shoulder land portion does not substantially include a groove, and has only one or more inner circumferential sipe extending in the tread circumferential direction and a plurality of inner widthwise sipes extending in the tread width direction, and the outer shoulder land portion has a plurality of widthwise grooves communicating with the circumferential main groove and the tread edge and extending in the tread width direction and an outer widthwise sipe located between the widthwise grooves adjacent in the tread circumferential direction and extending in the tread width direction.
摘要翻译：提供一种能够改善雪上性能，排水性能和乘坐舒适性的充气轮胎。公开的充气轮胎是充气轮胎，其包括多个周向主槽并且构造成以特定的车辆安装方向安装。在胎面表面上，当由位于车辆安装方向上的最内侧的周向主槽和胎面边缘限定的陆部被限定为内胎肩陆部和由位于车辆安装中最外侧的周向主槽限定的陆部并且胎面边缘被定义为外胎肩陆部，所述内胎肩陆部基本上不包括凹槽，并且仅具有沿着胎面周向方向延伸的一个或多个内周向刀槽花纹和多个向内延伸的内侧宽向刀槽花纹所述外侧胎肩陆地部具有多个宽度方向槽，所述多个宽度方向槽与所述周向主槽和胎面端连通并沿胎面宽度方向延伸，所述宽度方向外侧刀槽花纹位于在胎面周向上相邻的宽度槽之间并沿胎面宽度方向延伸。

6. 发明公开

EP3186097A1 FAHRZEUGLUFTREIFEN 有权转让
公开(公告)号：EP3186097A1
公开(公告)日：2017-07-05
申请号：EP15727411.9
申请日：2015-06-09
申请人： Continental Reifen Deutschland GmbH
发明人： RITTWEGER, Stefan , RIEKKOLA, Jaakko
IPC分类号： B60C11/24 , B60C11/12
CPC分类号： B60C11/24 , B60C2011/1268
摘要： The invention relates to a vehicle tyre comprising a tread that has positive profiles in the shoulder regions, at least one setting indicator (3, 4) being designed on the surface (3a, 4a) of each profile, and said indicator comprising at least two recesses (10, 11, 12; 13, 14) of different depths (T
1 , T
2 , T
3 ;T
4 , T
5 ) that reach in the radial direction from the surface (3a, 4a) into the tread. The recesses (10, 11, 12; 13, 14) are arranged consecutively in the direction of the centre of the tread and are made such that the smaller their distance from the centre of the tread, the deeper they are.
摘要翻译：本发明涉及一种车辆轮胎，其包括在胎肩区域具有正轮廓的胎面，在每个轮廓的表面（3a，4a）上设计至少一个设定指示器（3,4），并且所述指示器包括至少两个具有从表面（3a，4a）沿径向到达胎面的不同深度（T1，T2，T3; T4，T5）的凹部（10,11,12; 13,14）。凹部（10,11,12; 13,14）在胎面中心的方向上连续布置，并且被制成使得它们距胎面中心的距离越小，它们越深。

7. 发明公开

EP3150407A4 PNEUMATIC TIRE 有权
标题翻译： LUFTREIFEN
公开(公告)号：EP3150407A4
公开(公告)日：2017-06-14
申请号：EP15799184
申请日：2015-05-28
申请人： BRIDGESTONE CORP
发明人： SHIMURA TAKASHI
IPC分类号： B60C11/12 , B60C11/01 , B60C11/03 , B60C11/13
CPC分类号： B60C11/0304 , B60C11/01 , B60C11/03 , B60C11/0306 , B60C11/12 , B60C11/1236 , B60C11/1259 , B60C11/13 , B60C17/0009 , B60C2011/0355 , B60C2011/036 , B60C2011/1209 , B60C2011/1245 , B60C2011/1254 , B60C2011/1268 , B60C2011/1361 , B60C2017/0054
摘要： The pneumatic tire of this disclosure comprises on a tread surface a widthwise outermost land portion partitioned by an outermost circumferential main groove and a tread edge, the outermost circumferential main groove being closest to the tread edge and extending in a tread circumferential direction, wherein: the widthwise outermost land portion has a plurality of side sipes extending to a tread widthwise outer side in a manner spaced from each other in the tread circumferential direction; the widthwise outermost land portion has an inner circumferential sipe and an outer circumferential sipe, the inner circumferential sipe extending in the tread circumferential direction, the outer circumferential sipe being positioned on a tread widthwise side outer than the inner circumferential sipe and extending in the tread circumferential direction; and, when h1 is a groove depth of the outermost circumferential main groove, h2 is a sipe depth of the inner circumferential sipe, and h3 is a sipe depth of the outer circumferential sipe, h1, h2 and h3 satisfy: h1>h3>h2.
摘要翻译：本发明的充气轮胎在胎面表面上包括由最外侧周向主槽和胎面边缘分隔开的宽度方向最外侧陆部，所述最外侧周向主槽最接近胎面边缘且沿胎面周向延伸，其中：所述宽度方向最外侧的陆部具有沿胎面周方向隔开间隔地向胎面宽度方向外侧延伸的多个侧刀槽花纹，所述宽度方向最外侧的陆部具有内周刀槽花纹和外周刀槽花纹，所述内周刀槽花纹在所述胎面周向上延伸，所述外周刀槽花纹位于比所述内周刀槽花纹靠胎面宽度方向侧的位置，方向; 当h1是最外周主槽的槽深时，h2是内周刀槽花纹的刀槽花纹深度，h3是外周刀槽花纹的刀槽花纹深度，h1，h2和h3满足：h1> h3> h2 。

8. 发明授权

EP2463121B1 Variable surface area tire tread 有权转让
标题翻译：轮胎胎面具有可变表面
公开(公告)号：EP2463121B1
公开(公告)日：2016-06-22
申请号：EP12158627.5
申请日：2008-09-11
申请人： Michelin Recherche et Technique S.A. , Compagnie Générale des Etablissements Michelin
发明人： Voss, Stefan , D'Harcourt, Jean-Marc , Godsey, Jeff
IPC分类号： B60C11/03 , B29D30/06 , B60C11/04 , B60C11/12
CPC分类号： B60C11/032 , B29D30/0606 , B29D2030/0613 , B60C11/0306 , B60C11/0323 , B60C11/12 , B60C11/1218 , B60C11/1281 , B60C2011/0369 , B60C2011/1213 , B60C2011/1268 , Y10S152/03

9. 发明公开

EP2857225A4 PNEUMATIC TIRE 无效
公开(公告)号：EP2857225A4
公开(公告)日：2016-01-20
申请号：EP13800159
申请日：2013-06-05
申请人： YOKOHAMA RUBBER CO LTD
发明人： FURUSAWA HIROSHI
IPC分类号： B60C11/12 , B60C11/03 , B60C11/11
CPC分类号： B60C11/1259 , B60C11/0302 , B60C11/11 , B60C11/1218 , B60C11/1236 , B60C11/1263 , B60C2011/0355 , B60C2011/0374 , B60C2011/1213 , B60C2011/1227 , B60C2011/1254 , B60C2011/1268
摘要： This pneumatic tire (1) is provided with a plurality of circumferential main grooves (21, 22) extending in the tire circumferential direction and a plurality of land sections (31, 32) partitioned by the circumferential main grooves (21, 22) (See FIG. 2 ). The land sections (31, 32) are provided with a plurality of auxiliary sipes (52). In a plan view of a tread, the auxiliary sipes (52) have a bent shape formed by connecting first bent sections (521) and second bent sections (522). A groove depth (Dg) of the circumferential main grooves (21, 22) and a sipe depth (Ds_1) of the first bent sections (521) and a sipe depth (Ds_2) of the second bent sections (522) of the auxiliary sipes (52) have the relationships of 0.5 ‰¤ Ds_1/Dg ‰¤ 1.0 and 0.2 ‰¤ Ds_2/Ds_1 ‰¤ 0.5.

10. 发明公开

EP2905150A1 Pneumatic tire 有权
标题翻译：充气轮胎
公开(公告)号：EP2905150A1
公开(公告)日：2015-08-12
申请号：EP15155811.1
申请日：2014-04-29
申请人： SUMITOMO RUBBER INDUSTRIES LIMITED
发明人： Tanaka, Satoshi , Ito, Tadashi
IPC分类号： B60C11/12 , B60C11/03
CPC分类号： B60C11/1263 , B60C11/0306 , B60C11/1204 , B60C11/1369 , B60C2011/1213 , B60C2011/1268 , B60C2200/06
摘要： A pneumatic tire comprises a tread portion provided with blocks each provided with a first variable depth sipe (38) and a second variable depth sipe (39) each having both axial ends opened at edges (20e) of the block (20) on both sides thereof in the tire axial direction. In each block, a shallow portion (37) of the first variable depth sipe (38) overlaps in the tire axial direction with a deep main portion (36) of the second variable depth sipe (39). An axial groove (10) dividing the blocks is provided with a tie bar (40) overlapping in the tire axial direction with the deep main portion (36) of the adjacent variable depth sipe.
摘要翻译：充气轮胎包括胎面部分，该胎面部分设置有均具有第一可变深度刀槽花纹（38）和第二可变深度刀槽花纹（39）的花纹块，每个花纹块的两个轴向端部在花纹块（20）的两侧边缘（20e）在轮胎轴向上。在每个花纹块中，第一深度可变细缝（38）的浅部（37）与第二深度可变细缝（39）的深主要部分（36）在轮胎轴向方向上重叠。分割花纹块的轴向槽（10）设置有在轮胎轴向上与相邻的深度可变深度刀槽花纹的深部主要部分（36）重叠的系杆（40）。

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