公开(公告)号：US20130292021A1

公开(公告)日：2013-11-07

申请号：US13865238

申请日：2013-04-18

Applicant: SUMITOMO RUBBER INDUSTRIES, LTD.

Inventor： Susumu TANAKA

IPC: B60C11/13

CPC classification number: B60C11/0327 ,  B60C9/20 ,  B60C11/0306 ,  B60C11/1369 ,  B60C2011/0358 ,  B60C2011/0365 ,  B60C2011/0372 ,  B60C2011/0395 ,  B60C2011/1254

Abstract: A pneumatic tire comprises a tread portion provided with a radially outermost breaker ply and three main grooves extending in the tire circumferential direction. Crown axial grooves disposed between the main grooves are inclined oppositely to cords of the radially outermost breaker ply, at angles in a range of from 10 to 60 degrees with respect to the tire circumferential direction. The crown axial groove comprises a narrow portion and a resultant wide portion on the axially outside thereof. The crown axial groove is provided in its axially outer end portion with a tie bar provided with a sipe.

Abstract translation: 充气轮胎包括设置有径向最外侧的断路器帘布层的胎面部和沿轮胎周向延伸的三个主槽。 设置在主槽之间的凸缘轴向槽相对于径向最外侧的断路器帘布层的帘线倾斜相对于轮胎周向以10度至60度的范围倾斜。 冠状轴向槽在其轴向外侧包括狭窄部分和由此形成的宽部分。 冠状轴向槽在其轴向外端部分设置有设置有刀槽花纹的连杆。

公开(公告)号：US08561660B2

公开(公告)日：2013-10-22

申请号：US13150766

申请日：2011-06-01

Applicant: Toshiyuki Ohashi ,  Kazuo Shimomura

Inventor： Toshiyuki Ohashi ,  Kazuo Shimomura

IPC: B60C11/12

CPC classification number: B60C11/1218 ,  B60C11/11 ,  B60C11/1281 ,  B60C2011/1209 ,  B60C2011/1254

Abstract: A sipe extending in a tire width direction is provided in a land part (block) of a tread shoulder region, and the sipe is configured to include a first sipe part, a second sipe part having a groove width larger than the first sipe part and a third sipe part larger than the second sipe part. The first sipe part is formed over the whole of a sipe length direction in an opening side region of the sipe and the whole of a sipe depth direction in an inner region on the side of a tire equator; the third sipe part is formed in an outer region on the side of a tread ground contact end in a sipe bottom part region; and the second sipe part is formed in a region between the first sipe part and the third sipe part.

Abstract translation: 轮胎宽度方向延伸的刀槽花纹设置在胎面胎肩区域的胎面部分（块）中，刀槽花纹被配置为包括第一刀槽花纹部分，具有比第一刀槽花纹部分宽的槽宽度的第二刀槽花纹部分， 第三刀槽花纹部分大于第二刀槽花纹部分。 第一刀槽花纹部在轮胎赤道侧的内侧区域的刀槽花纹的开口侧区域和刀槽宽度方向的整体上形成在刀槽花纹长度方向的整体上; 第三刀槽花纹部分形成在刀槽花纹底部区域中的胎面接地端侧的外部区域中; 并且第二刀槽花纹部形成在第一刀槽花纹部和第三刀槽花纹部之间的区域中。

公开(公告)号：US20130167998A1

公开(公告)日：2013-07-04

申请号：US13821927

申请日：2011-09-09

Applicant: Keiichi Kato ,  Yukihiro Kiwaki

Inventor： Keiichi Kato ,  Yukihiro Kiwaki

IPC: B60C11/03

CPC classification number: B60C11/03 ,  B60C11/032 ,  B60C11/04 ,  B60C11/12 ,  B60C11/13 ,  B60C11/1353 ,  B60C2011/0381 ,  B60C2011/1254 ,  B60C2011/133 ,  B60C2011/1361

Abstract: A pneumatic tire (1010) has a circumferential groove (1020) that extends in the tire circumferential direction (Tc), and a land part (1040) that is adjacent to the circumferential groove (1020) and extends in the tire circumferential direction (Tc). Formed in the circumferential groove (1020) is an inner groove (1110) on the bottom (1020b) of the circumferential groove (1020) and recessed more in the tire radial inward direction than the bottom (1020b). The inner groove (1110) includes an inclined part (1120) that extends so as to be inclined in the tire circumferential direction (Tc). The land part (1040) has a hook-like groove portion (1210) formed along the direction (A11) in which the inclined part (1120) extends. The extension direction ends (1210a, 1210b) of the hook-like groove portion (1210) end within the land part.

Abstract translation: 充气轮胎（1010）具有沿轮胎周向（Tc）延伸的周向槽（1020）和与周向槽（1020）相邻并沿轮胎周向延伸的台阶部（1040） ）。 在圆周槽1020中形成有在周向槽1020的底部1020b上的内侧凹槽1110，并且在轮胎径向向内方向比底部1020b更凹陷。 内槽（1110）包括在轮胎周向（Tc）上倾斜延伸的倾斜部（1120）。 陆部（1040）具有沿倾斜部（1120）延伸的方向（A11）形成的钩状槽部（1210）。 钩状槽部（1210）的延伸方向结束（1210a，1210b）在陆部内结束。

公开(公告)号：US20130087260A1

公开(公告)日：2013-04-11

申请号：US13611318

申请日：2012-09-12

Applicant: Yoshiyuki TOBINO

Inventor： Yoshiyuki TOBINO

IPC: B60C11/12

CPC classification number: B60C11/11 ,  B60C11/1236 ,  B60C11/1259 ,  B60C2011/0344 ,  B60C2011/0348 ,  B60C2011/0367 ,  B60C2011/1209 ,  B60C2011/1254 ,  B60C2011/1268 ,  B60C2011/129 ,  B60C2011/1295

Abstract: A pneumatic tire includes a tread portion including a plurality of land portions separated by at least two longitudinal grooves, a plurality of lateral grooves crossing the longitudinal groove to form a block row, at least one block having at least two sipes extending in an axial direction of the tire to divide at least three block-pieces which include an outer piece and an inner piece relatively arranged in circumferentially inner side of the block than the outer piece, wherein the total axial length of whole sipes is in a range of from 100 to 400 times a tread width, the outer piece of the block has a circumferential length larger than that of the inner piece of the block, and a ratio of the circumferential length of the outer piece to the circumferential length of the inner piece is greater than 1.0 and smaller than 3.0.

Abstract translation: 一种充气轮胎，包括：胎面部，其包括由至少两个纵向槽隔开的多个胎面部，多个横向槽，与所述纵向槽交叉形成块排;至少一个块，其具有沿轴向方向延伸的至少两个刀槽花纹; 的轮胎分割成至少三个块体，其包括相对于所述块体的周向内侧相对布置的外部件和内部件，其中整个刀槽花纹的总轴向长度在从100到 块的外侧片的周向长度大于块体的内部片的长度的400倍，并且外部件的周向长度与内部件的周向长度的比率大于1.0 小于3.0。

公开(公告)号：US08413695B2

公开(公告)日：2013-04-09

申请号：US12632460

申请日：2009-12-07

Applicant: Keizo Shibano

Inventor： Keizo Shibano

IPC: B60C11/04 ,  B60C11/12

CPC classification number: B60C11/0306 ,  B60C11/04 ,  B60C11/047 ,  B60C11/12 ,  B60C11/125 ,  B60C2011/1209 ,  B60C2011/1213 ,  B60C2011/1254 ,  B60C2200/06

Abstract: A heavy duty tire comprises a tread portion provided with a center rib, shoulder ribs and middle ribs therebetween. The middle ribs are provided with closed-end sipes. The sipe comprises: an axially inner segment and axially outer segment inclined at an angle of from 30 to 60 degrees with respect to the tire circumferential direction; and a middle segment therebetween inclined in a direction crosswise to the axially inner and outer segments. The angle β1 between the axially inner segment and middle segment is from 90 to 110 degrees. The angle β2 between the axially outer segment and middle segment is from 90 to 110 degrees. The axial length SW of the closed-end sipe measured from the axially inner end to the axially outer end thereof is from 0.50 to 0.90 times the axial width LW of the middle rib.

Abstract translation: 重载轮胎包括设置有中心肋，胎肩肋和中间肋之间的胎面部。 中间肋设有封闭式刀槽花纹。 刀槽花纹包括：相对于轮胎周向以30度至60度的角度倾斜的轴向内部段和轴向外部段; 并且其中间段在与轴向内部和外部段交叉的方向上倾斜。 轴向内段和中间段之间的角度＆bgr; 1为90至110度。 轴向外段和中间段之间的角度＆bgr; 2为90至110度。 从轴向内端至其轴向外端测量的封闭端刀槽花纹的轴向长度SW为中肋的轴向宽度LW的0.50至0.90倍。

公开(公告)号：US20110315289A1

公开(公告)日：2011-12-29

申请号：US13164261

申请日：2011-06-20

Applicant: Toshiyuki Ohashi

Inventor： Toshiyuki Ohashi

IPC: B60C11/12

CPC classification number: B60C11/12 ,  B60C11/11 ,  B60C11/1204 ,  B60C11/1218 ,  B60C2011/1213 ,  B60C2011/1254 ,  Y10S152/03

Abstract: A sipe extending in a tire width direction is provided in a land part (block) of a tread shoulder region. An inner region on the tire equator side in a length direction of the sipe is formed in a straight sipe portion over the whole of a sipe depth direction. A region on the tread ground contact end side relative to the inner region is divided and provided in the straight sipe portion on the sipe opening side and a waveform sipe portion on the sipe bottom part side in the sipe depth direction.

Abstract translation: 在轮胎宽度方向上延伸的刀槽花纹设置在胎面胎肩区域的胎面部（块）中。 在刀槽花纹的长度方向上的轮胎赤道侧上的内部区域在整个刀槽花纹深度方向上形成为直刀槽花纹部。 胎面接地端侧相对于内部区域的区域被分割并设置在刀槽花纹开口侧的直刀槽花纹部分和刀槽花纹底部侧的刀槽花纹深度方向上的波形刀槽花纹部分。

公开(公告)号：US20110303333A1

公开(公告)日：2011-12-15

申请号：US13145197

申请日：2010-01-19

Applicant: Shuhei Muto

Inventor： Shuhei Muto

IPC: B60C11/12 ,  B60C11/11

CPC classification number: B60C11/12 ,  B60C11/0306 ,  B60C2011/0388 ,  B60C2011/1213 ,  B60C2011/1254 ,  B60C2011/1268

Abstract: Two open sipes are formed at a tire circumferential direction central side of a block, and closed sipes are formed in the block at both tire circumferential direction sides of the two open sipes. The depth of the open sipes is set in a range of 50 to 70% times the depth of a first circumferential direction main groove, and the depth dimension of the closed sipe is set in a range of 105 to 140% times the depth dimension of the open sipes. Accordingly high performance on ice is obtained while securing block rigidity.

Abstract translation: 在块体的轮胎周向中央侧形成有两个开口刀槽花纹，并且在两个开口刀槽花纹的两个轮胎周向侧上的块中形成有封闭的刀槽花纹。 开口刀槽花纹的深度设定在第一圆周方向主槽的深度的50〜70％的范围内，并且封闭刀槽花纹的深度尺寸设定在深度尺寸的105〜140％的范围内 开口刀槽。 因此，在确保块刚性的同时，获得了在冰上的高性能。

公开(公告)号：US20110290392A1

公开(公告)日：2011-12-01

申请号：US13150766

申请日：2011-06-01

Applicant: Toshiyuki Ohashi ,  Kazuo Shimomura

Inventor： Toshiyuki Ohashi ,  Kazuo Shimomura

IPC: B60C11/12

CPC classification number: B60C11/1218 ,  B60C11/11 ,  B60C11/1281 ,  B60C2011/1209 ,  B60C2011/1254

Abstract: A sipe extending in a tire width direction is provided in a land part (block) of a tread shoulder region, and the sipe is configured to include a first sipe part, a second sipe part having a groove width larger than the first sipe part and a third sipe part larger than the second sipe part. The first sipe part is formed over the whole of a sipe length direction in an opening side region of the sipe and the whole of a sipe depth direction in an inner region on the side of a tire equator; the third sipe part is formed in an outer region on the side of a tread ground contact end in a sipe bottom part region; and the second sipe part is formed in a region between the first sipe part and the third sipe part.

Abstract translation: 轮胎宽度方向延伸的刀槽花纹设置在胎面胎肩区域的胎面部分（块）中，刀槽花纹被配置为包括第一刀槽花纹部分，具有比第一刀槽花纹部分宽的槽宽度的第二刀槽花纹部分， 第三刀槽花纹部分大于第二刀槽花纹部分。 第一刀槽花纹部在轮胎赤道侧的内侧区域的刀槽花纹的开口侧区域和刀槽宽度方向的整体上形成在刀槽花纹长度方向的整体上; 第三刀槽花纹部分形成在刀槽花纹底部区域中的胎面接地端侧的外部区域中; 并且第二刀槽花纹部形成在第一刀槽花纹部和第三刀槽花纹部之间的区域中。

公开(公告)号：US20110100521A1

公开(公告)日：2011-05-05

申请号：US13002462

申请日：2009-06-10

Applicant: Daisuke Sakamoto

Inventor： Daisuke Sakamoto

IPC: B60C11/13

CPC classification number: B60C11/042 ,  B60C11/0008 ,  B60C11/04 ,  B60C11/12 ,  B60C11/1323 ,  B60C2011/0025 ,  B60C2011/1254 ,  Y02T10/862 ,  Y10S152/03

Abstract: There is provided a pneumatic tire capable of reducing rolling resistance and suppressing river wear of uneven wear.A pneumatic tire according to the present invention comprises a tread portion provided with one or more circumferential grooves extending in parallel with a tire equator to define a plurality of land portions, wherein at least surface rubber of the tread portion has tan δ of not less than 0.02 and not more than 0.2, a wall angle of a widthwise outer wall of the circumferential groove is larger than a wall angle of a widthwise inner wall of the circumferential groove, a plurality of sipes extending in a direction across the tire equator are provided in the land portions, and a length of the sipe formed in an end portion of the land portion arranged adjacent to the circumferential groove in the widthwise outer side is longer than a length of the sipe formed in an end portion of the land portion arranged adjacent to the circumferential groove in the widthwise inner side.

Abstract translation: 提供了能够降低滚动阻力并抑制不均匀磨损的河流磨损的充气轮胎。 根据本发明的充气轮胎包括：胎面部，其设置有与轮胎赤道平行延伸的一个或多个周向槽，以限定多个胎面部，其中，至少胎面部的表面橡胶的tanδ不小于 0.02以上且0.2以下，所述周向槽的宽度方向外壁的壁角大于所述周向槽的宽度方向内壁的壁角，在所述轮胎赤道的横截面上延伸的多个刀槽花纹设置在 形成在与宽度方向外侧相邻的周向槽相邻的陆部的端部中形成的刀槽花纹的长度比形成在邻接的周边槽的端部的刀槽花纹的长度长 宽度方向内侧的周向槽。

公开(公告)号：US20080302457A1

公开(公告)日：2008-12-11

申请号：US11760015

申请日：2007-06-08

Applicant: Francis J. Byrne

Inventor： Francis J. Byrne

IPC: B60C11/03

CPC classification number: B60C11/12 ,  B60C11/032 ,  B60C11/11 ,  B60C11/13 ,  B60C2011/1254 ,  Y10S152/03

Abstract: A tire comprising a circumferential tread including at least one tread block having at least one edge. The tread block includes at least one void provided therein not more than about 4 millimeters from the edge of the tread block. Exemplary voids include sipes, such as one-end open sipes, two-end open sipes, and internal sipes, and cutouts, such as internal cut-outs and edge cut-outs.

Abstract translation: 一种轮胎，其包括具有至少一个具有至少一个边缘的胎面花纹块的周向胎面。 胎面花纹块包括至少一个设置在其中的距离胎面花纹块边缘不超过约4毫米的空隙。 示例性的空隙包括刀槽花纹，例如一端开口刀槽花纹，两端开口刀槽花纹和内部刀槽花纹，以及切口，例如内部切口和边缘切口。