公开(公告)号：US08371349B2

公开(公告)日：2013-02-12

申请号：US12452467

申请日：2007-07-05

Applicant: Gianfranco Colombo ,  Stefano Montesello ,  Roberto Sangalli ,  Nevio Zani

Inventor： Gianfranco Colombo ,  Stefano Montesello ,  Roberto Sangalli ,  Nevio Zani

IPC: B60C11/03

CPC classification number: B60C11/1369 ,  B60C11/0304 ,  B60C11/0306 ,  B60C11/032 ,  B60C2011/0381

Abstract: The tread band of a tire has two circumferential portions, a central one and an inner intermediate one, respectively, that are subdivided into center and intermediate blocks respectively; an inner-shoulder circumferential portion has first and second inner-shoulder cuts, axially offset from each other and distributed in an alternated sequence, to confine a continuous inner-shoulder rest surface with an undulated course; and an outer intermediate circumferential portion has first and second intermediate cuts, and an outer-shoulder circumferential portion has first and second outer-shoulder cuts. The first and second intermediate cuts and the outer-shoulder cuts, respectively, mutually converge at an angle of about 20° and are axially offset from each other and circumferentially distributed in an alternated sequence, to delimit continuous rest surfaces, an intermediate and outer-shoulder surface respectively, with an undulated course.

Abstract translation: 轮胎的胎面带分别具有两个圆周部分，分别分为中心部分和中间部分，中心部分和内部中间部分。 内肩周向部分具有彼此轴向偏移并以交替顺序分布的第一和第二内肩切口，以将连续的内肩部搁置表面限制为起伏的程度; 外周中间部分具有第一和第二中间切口，外肩周向部分具有第一和第二外肩切口。 第一和第二中间切口和外肩部切口分别以约20°的角度相互会聚，并且彼此轴向偏移并以交替的顺序周向分布，以限定连续的休息表面，中间和外侧切口， 肩部表面分别为波浪形。

公开(公告)号：US20130014868A1

公开(公告)日：2013-01-17

申请号：US13529323

申请日：2012-06-21

Applicant: Shingo ISHIDA

Inventor： Shingo ISHIDA

IPC: B60C11/11

CPC classification number: B60C11/11 ,  B60C11/033 ,  B60C11/1369 ,  B60C11/1376 ,  B60C11/1384 ,  B60C2200/10 ,  B60C2200/14

Abstract: A motorcycle tire for running on rough terrain comprises a tread portion provided with a plurality of blocks defining a block pattern. The blocks include center blocks whose centroids of their top surfaces are disposed within a center region of the tread portion defined as being centered on the tire equator and having a developed width of 25% of a developed tread width. The top surface of each of the center blocks is provided with an axially extending edge extending straight and parallel with the tire axial direction, and arc edges curved convexly toward the centroid of the top surface and disposed on both sides of the axially extending edge in the tire axial direction.

Abstract translation: 用于在崎岖地形上行驶的摩托车轮胎包括设置有限定块图案的多个块的胎面部。 这些块包括中心块，其顶表面的质心设置在胎面部分的中心区域内，该中心区域限定为以轮胎赤道为中心，并具有显影宽度为胎面宽度的25％。 每个中心块的顶表面设置有沿着轮胎轴向方向直线延伸并且平行的轴向延伸的边缘，并且弧形边缘朝向顶表面的质心凸起弯曲并设置在轴向延伸边缘的两侧 轮胎轴向。

公开(公告)号：US08272415B2

公开(公告)日：2012-09-25

申请号：US12084406

申请日：2006-12-13

Applicant: Kuniaki Itou

Inventor： Kuniaki Itou

IPC: B60C11/12 ,  B60C11/13

CPC classification number: B60C11/1369 ,  B60C11/0306 ,  B60C11/0309 ,  B60C11/12 ,  B60C11/125

Abstract: A heavy duty tire (1) comprising at least three rib-like land portions (7) with a block row where blocks (6) defined by circumferential main grooves (3) extending in the circumferential direction and lateral grooves (5) are arranged in the circumferential direction, wherein the lateral grooves (5) are provided, in their bottoms (S), with a sipe-forming region (Sy) having a sipe (20) which extends along the groove center line and has a width of 0.5 to 2.0 mm, and wherein the depth (DY) in the sipe-forming region (Sy) of the lateral grooves (5) is from 0.5 to 0.75 times the depth (H) of the circumferential main grooves (3), and the depth (DS) of the sipe (20) is from 0.75 to 1.0 times the depth (H) of the circumferential main grooves.

Abstract translation: 一种重载轮胎（1），包括至少三个具有块排的肋状陆部（7），其中沿圆周方向延伸的周向主槽（3）限定的块（6）和横向槽（5） 在其底部（S）中设置有横向槽（5）的圆周方向，刀槽花纹形成区域（Sy）具有沿着槽中心线延伸的刀槽花纹（20），宽度为0.5至 2.0mm，并且其中横向槽（5）的刀槽花纹形成区域（Sy）中的深度（DY）为周向主槽（3）的深度（H）的0.5至0.75倍，深度（ 刀槽花纹（20）的DS）为周向主槽的深度（H）的0.75至1.0倍。

公开(公告)号：US20120145295A1

公开(公告)日：2012-06-14

申请号：US13323858

申请日：2011-12-13

Applicant: Hiroshi YAMADA

Inventor： Hiroshi YAMADA

IPC: B60C11/11 ,  B60C11/12 ,  B60C11/13 ,  B60C11/117

CPC classification number: B60C11/1369 ,  B60C11/0306 ,  B60C11/11 ,  B60C11/12 ,  B60C11/125 ,  B60C2011/133

Abstract: A pneumatic tire comprises a tread portion divided into a crown land region, two middle land regions and two shoulder land regions. The crown land region and middle land regions are each divided into triangular blocks by axial grooves arranged in a zigzag fashion. The shoulder land regions are each divided into shoulder blocks by axial grooves extending at an angle of not less than 70 degrees. The shoulder block is subdivided into an axially inner part and an axially outer part by a secondary groove extending at an angle of not more than 10 degrees. The outer part is provided with sipes extending at an angle of not less than 70 degrees, each angle with respect the circumferential direction.

Abstract translation: 充气轮胎包括分割成胎冠区域，两个中间区域区域和两个胎肩区域的胎面部分。 冠部陆地区域和中间陆地区域以锯齿形的方式被分成三角形块状的轴向凹槽。 肩部陆地区域通过以不小于70度的角度延伸的轴向凹槽分成肩部块。 肩部块通过以不大于10度的角度延伸的次级槽细分成轴向内部部分和轴向外部部分。 外侧部分设置有以不小于70度的角度延伸的刀槽花纹，每个角度相对于圆周方向。

公开(公告)号：US20120018067A1

公开(公告)日：2012-01-26

申请号：US13183692

申请日：2011-07-15

Applicant: Masahiro HIKITA

Inventor： Masahiro HIKITA

IPC: B60C11/11

CPC classification number: B60C11/11 ,  B60C11/1369 ,  B60C2200/10 ,  B60C2200/14

Abstract: A motorcycle tire for running on rough terrain comprises a tread portion having a developed tread width and provided with a plurality of tread blocks. The tread blocks include a plurality of crown blocks defined as having a ground contacting top surface whose centroid is located within a crown region defined as having a developed width of ⅓ of the developed tread width and centered on the tire equator. The crown blocks include a plurality of central crown blocks whose axial distance from the tire equatorial plane to the centroid is not more than 2% of the developed tread width, and a plurality of off-center crown blocks whose axial distance from the tire equatorial plane to the centroid is more than 2% and not more than 6% of the developed tread width.

Abstract translation: 用于在崎岖的地形上行驶的摩托车轮胎包括具有展开的胎面宽度的胎面部分，并且设置有多个胎面花纹块。 胎面花纹块包括被定义为具有地面接触顶表面的多个冠块，其重心位于冠状区域内，冠部区域被定义为具有显影宽度的胎面宽度的1/3，并以轮胎赤道为中心。 冠块包括多个中心冠块，其从轮胎赤道平面到重心的轴向距离不大于胎面宽度的2％，以及多个偏心冠状块，其与轮胎赤道面的轴向距离 重心大于2％且不超过发达胎面宽度的6％。

公开(公告)号：US20100294409A1

公开(公告)日：2010-11-25

申请号：US12741367

申请日：2007-11-05

Applicant: Roberto Bolzoni ,  Roberto Sangalli ,  Dario Scaltritti

Inventor： Roberto Bolzoni ,  Roberto Sangalli ,  Dario Scaltritti

IPC: B60C11/03

CPC classification number: B60C11/1263 ,  B60C11/0304 ,  B60C11/0306 ,  B60C11/0309 ,  B60C11/033 ,  B60C11/1369 ,  B60C2011/0369 ,  B60C2011/0372

Abstract: A pneumatic tyre for a car having a tread, including a central portion disposed astride an equatorial plane and two shoulder portions. The central portion is separated from the tread shoulder portions by two circumferential grooves and at least one circumferential row, included between a first and a second circumferential groove, is present in the central portion. The tread has a hollow/solid ratio lower than 0.28. The circumferential row comprises transverse grooves extending over at least 80% of the width of the circumferential row. Each transverse groove includes a median line having at least one first rectilinear stretch and one curvilinear stretch. The transverse grooves have a smaller width than that of the circumferential grooves.

Abstract translation: 一种具有胎面的汽车用充气轮胎，其包括跨越赤道平面和两个肩部设置的中心部。 中心部分通过两个周向沟槽与胎面肩部分离，并且包括在第一和第二周向槽之间的至少一个周向排位于中心部分中。 胎面的中空/固体比低于0.28。 周向行包括在周向行的宽度的至少80％上延伸的横向槽。 每个横向槽包括具有至少一个第一直线拉伸和一个曲线拉伸的中线。 横向槽具有比周向槽宽的宽度。

公开(公告)号：US20100212795A1

公开(公告)日：2010-08-26

申请号：US12681537

申请日：2008-09-30

Applicant: Takehiko Murata

Inventor： Takehiko Murata

IPC: B60C11/117

CPC classification number: B60C11/1369 ,  B60C11/0304 ,  B60C11/0306 ,  B60C11/0309 ,  B60C11/033 ,  B60C11/1323 ,  B60C11/1392 ,  B60C2011/0381 ,  B60C2011/0383

Abstract: A pneumatic tire having on-snow performance improved by increasing traction performance on snow-covered road with maintaining dry grip performance high, and comprising tread surface 2 having at least one circumferential main groove 3 in an outer region 2o facing outward of a vehicle, the circumferential main groove 3 being a straight groove wherein ridge lines 21 at which groove wall surfaces 20 intersect with the tread surface 2 extend straight, each groove wall surface 20 comprising a gently-inclined upper wall surface 20U extending from the ridge line 21 at an angle θ1 of 40 to 60° with respect to a normal line to tread surface 2 and a steeply-inclined lower wall surface 20L extending to groove bottom 22 at an angle θ2 smaller than the angle θ1, and the lower wall surface 20L including projections 23 which are disposed at intervals in the circumferential direction and have a triangular cross section with slope surface 23S extending from lower end Ue of the upper wall surface 20U to groove bottom 22 at an angle θ3 which is not greater than the angle θ1 but is greater than the angle θ2.

Abstract translation: 具有雪覆盖性能的充气轮胎通过在雪覆盖的道路上增加牵引性能而得到改善，并且保持高的干抓地性能，并且包括具有至少一个周向主槽3的胎面表面2，所述胎面表面2在外部区域2o中面向车辆外侧， 周向主槽3是直槽，其中槽壁表面20与胎面表面2相交的脊线21直线延伸，每个槽壁表面20包括从脊线21以一定角度延伸的缓慢倾斜的上壁表面20U ＆amp; t;相对于与胎面表面2的法线相比为40至60°的1;和以角度θ延伸到槽底部22的陡峭倾斜的下壁表面20L; 2小于角度＆amp; 1;以及下壁 表面20L包括突起23，它们沿圆周方向间隔设置并且具有三角形横截面，斜面23S从斜坡的下端Ue延伸 r壁表面20U以一定角度θ与凹槽底部22相交; 3不大于角度＆amp;θ; 1但大于角度＆amp;θ; 2。

公开(公告)号：US20100200134A1

公开(公告)日：2010-08-12

申请号：US12671187

申请日：2008-08-01

Applicant: Takehiko Murata

Inventor： Takehiko Murata

IPC: B60C11/03

CPC classification number: B60C11/0304 ,  B60C11/0306 ,  B60C11/0309 ,  B60C11/0332 ,  B60C11/1323 ,  B60C11/1369 ,  B60C11/1392 ,  B60C2011/0369 ,  B60C2011/0381 ,  B60C2011/0383

Abstract: To enhance uneven wear resistance with achieving higher levels of dry grip performance and wet performance, a tread surface 2 is provided with one circumferential main groove 3 in an outer region 2o thereof directed outward of a vehicle and with first and second circumferential main grooves 4 and 5 in an inner region 2i thereof directed inward of the vehicle, a central region Rc between the circumferential main grooves 3 and 4 is formed into a rib 10 extending continuously in the circumferential direction, an outer shoulder region Ro between the circumferential main groove 3 and TEo is formed into a row of outer blocks 12 defined by inclined main grooves 6, and the outer blocks 12 are provided with inclined sub-grooves 13 having an inclination direction different from that of the inclined main grooves 6, thereby dividing each of the outer blocks 12 into a first block portion 12A on a tire equator side and a second block portion 12B on a ground contact edge side.

Abstract translation: 为了提高不均匀的耐磨性，通过实现更高水平的干抓地性能和湿润性能，胎面表面2在其指向车辆外侧的外部区域2o中设置有一个周向主槽3，并且具有第一和第二周向主槽4和 5在其内部区域2i中指向车辆内侧，周向主槽3和4之间的中心区域Rc形成为沿圆周方向连续延伸的肋10，在周向主槽3和 TEo形成为由倾斜主槽6限定的一排外部块12，并且外部块12设置有倾斜的副槽13，其倾斜方向与倾斜主槽6的倾斜方向不同，从而将每个外部块 块12插入轮胎赤道侧的第一块部12A和接地边缘侧的第二块部12B。

公开(公告)号：US20100108214A1

公开(公告)日：2010-05-06

申请号：US12452467

申请日：2007-07-05

Applicant: Gianfranco Colombo ,  Stefano Montesello ,  Roberto Sangalli ,  Nevio Zani

Inventor： Gianfranco Colombo ,  Stefano Montesello ,  Roberto Sangalli ,  Nevio Zani

IPC: B60C11/03

CPC classification number: B60C11/1369 ,  B60C11/0304 ,  B60C11/0306 ,  B60C11/032 ,  B60C2011/0381

Abstract: The tread band of a tyre has two circumferential portions, a central one and an inner intermediate one, respectively, that are subdivided into centre and intermediate blocks respectively; an inner-shoulder circumferential portion has first and second inner-shoulder cuts, axially offset from each other and distributed in an alternated sequence, to confine a continuous inner-shoulder rest surface with an undulated course; and an outer intermediate circumferential portion has first and second intermediate cuts, and an outer-shoulder circumferential portion has first and second outer-shoulder cuts. The first and second intermediate cuts and the outer-shoulder cuts, respectively, mutually converge at an angle of about 20° and are axially offset from each other and circumferentially distributed in an alternated sequence, to delimit continuous rest surfaces, an intermediate and outer-shoulder surface respectively, with an undulated course.

Abstract translation: 轮胎的胎面带分别具有两个圆周部分，分别分为中心部分和中间部分，中心部分和内部中间部分。 内肩周向部分具有彼此轴向偏移并以交替顺序分布的第一和第二内肩切口，以将连续的内肩部搁置表面限制为起伏的程度; 外周中间部分具有第一和第二中间切口，外肩周向部分具有第一和第二外肩切口。 第一和第二中间切口和外肩部切口分别以约20°的角度相互会聚，并且彼此轴向偏移并以交替的顺序周向分布，以限定连续的休息表面，中间和外侧切口， 肩部表面分别为波浪形。

公开(公告)号：US20090301623A1

公开(公告)日：2009-12-10

申请号：US12466050

申请日：2009-05-14

Applicant: Daichi Nakamura

Inventor： Daichi Nakamura

IPC: B60C11/13 ,  B60C11/12

CPC classification number: B60C11/0302 ,  B60C11/0306 ,  B60C11/13 ,  B60C11/1369 ,  B60C2011/0381 ,  Y10S152/03

Abstract: Provided is a pneumatic tire that has a directional tread pattern and includes: a rib-shaped first land area extending in the tire-circumferential direction in a center section of a tread portion; paired first main grooves being adjacent respectively to the two sides of the first land area; paired second land areas being adjacent respectively to the outer sides of the first main grooves; paired second main grooves being adjacent respectively to the outer sides of the second land areas; paired third land areas being adjacent respectively to the outer sides of the second main grooves; a fine groove extending at the center of the first land area; plural lug grooves formed in the first land area; and plural sipes formed in the first land area. The lug grooves alternate with the sipes along the tire-circumferential direction. Each lug groove intersects with a corresponding sipe. An end of the lug groove formed in the first land area is formed as a dead end between the fine groove and a corresponding first main groove. The width and depth of each lug groove formed in the first land area are gradually reduced from its open-end side to its closed-end side. Each sipe formed in the first land area communicates with the fine groove, and includes: a deeper section between a corresponding first main groove and the intersection with a corresponding lug groove; and a shallower section between the fine groove and the intersection with the corresponding lug groove, the shallower section being shallower than the deeper section.

Abstract translation: 本发明提供一种具有定向胎面花纹的充气轮胎，其特征在于，包括：在胎面部的中央部沿轮胎周向延伸的肋状的第一胎面区域; 成对的第一主槽分别相邻于第一陆地区域的两侧; 成对的第二陆地区域分别相邻于第一主槽的外侧; 成对的第二主槽分别与第二区域的外侧相邻; 成对的第三陆地区域分别与第二主槽的外侧相邻; 在第一陆地区域的中心延伸的细槽; 形成在第一陆地区域中的多个横向花纹槽; 以及形成在第一陆地区域中的多个刀槽花纹。 横向花纹沟沿着轮胎周向与刀槽花纹交替。 每个横向花纹沟与相应的刀槽花纹相交。 形成在第一平台区域中的横向花纹沟的端部形成为细微槽与对应的第一主槽之间的死角。 形成在第一平台区域中的每个横向花纹沟的宽度和深度从其开口端逐渐减小到其封闭端侧。 形成在第一区域中的每个刀槽花纹与细槽沟通，并且包括：相应的第一主槽与与相应的横向花纹沟的交点之间的较深部分; 并且在细槽与相应的横向花纹沟的交点之间较浅的部分，较浅的部分比较深的部分浅。