公开(公告)号：US09102203B2

公开(公告)日：2015-08-11

申请号：US13153962

申请日：2011-06-06

Applicant: Kazuki Numata

Inventor： Kazuki Numata

IPC: B60C11/14 ,  B60C11/16 ,  B60C11/03 ,  B60C11/12

CPC classification number: B60C11/0318 ,  B60C11/0302 ,  B60C11/12 ,  B60C11/1625

Abstract: A pneumatic tire provided with a tread pattern, wherein a tread half which is one half of the tread pattern on each side of the tire equator is made up of repeat design units arranged circumferentially of the tire. The repeat design units have at least two different circumferential pitch lengths, and the repeat design units are each provided with at least one stud hole.

Abstract translation: 一种设置有胎面花纹的充气轮胎，其特征在于，轮胎赤道的每一侧的胎面花纹的一半的胎面半部由轮胎周向配置的重复设计单元构成。 重复设计单元具有至少两个不同的圆周间距长度，并且重复设计单元各自设置有至少一个螺柱孔。

公开(公告)号：US07784510B2

公开(公告)日：2010-08-31

申请号：US11517286

申请日：2006-09-08

Applicant: Kazuki Numata

Inventor： Kazuki Numata

IPC: B60C1/00 ,  B60C11/00

CPC classification number: B60C11/00 ,  B60C9/2006 ,  B60C11/005 ,  B60C2009/1864 ,  B60C2011/0025 ,  B60C2011/0033 ,  B60C2013/006 ,  Y02T10/862

Abstract: A heavy duty tire having both an excellent wear resistance and a low rolling resistance and comprising a tread rubber having a two layer structure composed of a cap rubber layer 2Gb and a base rubber layer 2Ga underlying the cap layer, wherein the tread rubber extends axially outward from the tire equator and is bent at its edges to extend radially downward so that the cap layer is located axially outward of the base layer, and a pair of sidewall rubbers are disposed so that the radially outer end portion of each sidewall rubber covers the surface of the axially outer end of the tread rubber.

Abstract translation: 一种具有优异的耐磨性和低滚动阻力的重载轮胎，包括具有由盖橡胶层2Gb和盖层下方的基底橡胶层2Ga组成的两层结构的胎面橡胶，其中胎面橡胶沿轴向向外延伸 从轮胎赤道弯曲并在其边缘处弯曲以径向向下延伸，使得盖层位于轴向向外的基层外侧，并且一对侧壁橡胶被设置成使得每个侧壁橡胶的径向外端部覆盖表面 的胎面橡胶的轴向外端。

公开(公告)号：US07172002B2

公开(公告)日：2007-02-06

申请号：US10250365

申请日：2002-01-11

Applicant: Kiyoshi Ueyoko ,  Minoru Nishi ,  Kazuki Numata

Inventor： Kiyoshi Ueyoko ,  Minoru Nishi ,  Kazuki Numata

IPC: B60C15/06 ,  B60C15/04 ,  B60C15/00 ,  B60C5/14

CPC classification number: B60C15/0027 ,  B60C5/14 ,  B60C5/142 ,  B60C15/06 ,  B60C15/0607 ,  B60C2015/0614 ,  B60C2200/06 ,  Y10T152/10828 ,  Y10T152/10846

Abstract: A pneumatic tire comprises a tread portion, a pair of sidewall portions, a pair of bead portions, a bead core disposed in each bead portion, a carcass comprising a ply of carcass cords extending between the bead portions through the tread portion and sidewall portions and turned up around the bead core in each bead portion, and an inner liner made of air-impermeable rubber extending on the tire cavity side of the carcass from one of the bead portions to the other. The radially inner end of the inner liner is located radially inside the radially innermost end of the carcass. In a radial region between the radially innermost end of the carcass and the radially outermost end of the bead core, the thickness of the inner liner is not less than 0.15 time but not more than 4.0 times the cross section diameter of the carcass cord.

Abstract translation: 充气轮胎包括胎面部分，一对侧壁部分，一对胎圈部分，设置在每个胎圈部分中的胎圈芯，胎体，其包括通过胎面部分和侧壁部分在胎圈部分之间延伸的胎体帘布层层， 在每个胎圈部分中的胎圈芯圈周围，以及由不透气橡胶制成的内衬，其从胎圈部分之一延伸到胎体的轮胎腔侧。 内衬的径向内端位于胎体径向最内端的径向内侧。 在胎体的径向最内端和胎圈芯的径向最外端之间的径向区域中，内衬的厚度不小于胎体帘线的横截面直径的0.15倍但不超过4.0倍。

公开(公告)号：USD377635S

公开(公告)日：1997-01-28

申请号：US38606

申请日：1995-05-09

Applicant: Kazuki Numata

Designer： Kazuki Numata

公开(公告)号：US5109904A

公开(公告)日：1992-05-05

申请号：US478406

申请日：1990-02-12

Applicant: Kazuki Numata ,  Kiyoshi Ochiai

Inventor： Kazuki Numata ,  Kiyoshi Ochiai

IPC: B60C11/11 ,  B60C11/12

CPC classification number: B60C11/11 ,  B60C11/12 ,  B60C11/1263 ,  B60C2011/1213 ,  B60C2011/1268 ,  Y10S152/03 ,  Y10S152/902

Abstract: A snow tire which has tread blocks provided with slits extending between the side edges of the block, and the slit comprises: the first part extending axially of the tire from one side edge toward the other side edge of the block; the second part extending axially of the tire from the said other side edge toward said one side edge of the block; and the third part extending obliquely with respect to the tire axial direction to connect the first part with the second part, wherein the depth of the slit is varied in the tire axial direction to form a shallow portion and a deep portion, the axial length of the first part is more than 0.25 times and less than 0.48 times the total axial length of the slit, the axial length of the second part is more than 0.25 times and less than 0.48 times the total axial length of the slit, the ratio between the axial length of the first part to the axial length of the second part is more than 0.8 and less than 1.2, the axial length of the third part is more than 0.04 times and less than 0.5 times the total axial length of the slit, the circumferential length of the third part is more than 0.04 times and less than 0.5 times the total axial length of the slit, the ratio of the depth of the deep portion of the slit to the depth of a circumferential groove which extends circumferentially of the tire to define said blocks is not less than 0.6 and not more than 0.8, the ratio the depth of the shallow portion of the slit to said depth of the circumferential groove is not less than 0.3 and not more than 0.55, and the ratio of the axial length of the shallow portion of the slit to the total axial length of the slit is not less than 0.25 and not more than 0.4, whereby uneven wear of the blocks is lessened without deteriorating the on-the-snow performance.

Abstract translation: 具有设置有在所述块的侧边缘之间延伸的狭缝的所述胎面花纹和所述狭缝的雪轮包括：所述第一部分从所述块的一个侧边缘朝向所述另一侧边缘轴向延伸; 所述第二部分从所述另一侧边缘朝向所述块的所述一个侧边缘轴向延伸; 并且第三部分相对于轮胎轴向倾斜地延伸，以将第一部分与第二部分连接，其中狭缝的深度在轮胎轴向方向上变化以形成浅部和深部，轴向长度 第一部分是缝隙总轴向长度的0.25倍以上且小于0.48倍，第二部分的轴向长度大于缝隙总轴向长度的0.25倍且小于0.48倍， 第一部分的轴向长度与第二部分的轴向长度大于0.8且小于1.2，第三部分的轴向长度大于狭缝总轴向长度的0.04倍且小于0.5倍，圆周 第三部分的长度大于切口的总轴向长度的0.04倍且小于0.5倍，狭缝的深部的深度与轮胎t周向延伸的周向槽的深度的比率 o限定所述块不小于0.6且不大于0.8，所述狭缝的浅部的深度与所述周向槽的所述深度的比率不小于0.3且不大于0.55，并且所述轴向 狭缝的浅部的长度与狭缝的总轴向长度不小于0.25且不大于0.4，由此在不降低雪上性能的情况下减少块的不均匀磨损。

公开(公告)号：US07543619B2

公开(公告)日：2009-06-09

申请号：US11517463

申请日：2006-09-08

Applicant: Kazuki Numata

Inventor： Kazuki Numata

IPC: B60C13/00 ,  B60C13/04 ,  B60C15/00

CPC classification number: B60C13/04 ,  B60C1/0025 ,  B60C15/06 ,  B60C2013/006 ,  B60C2013/045 ,  Y02T10/862 ,  Y10T152/10819

Abstract: A heavy duty tire with decreased rolling resistance without impairing durability, comprising carcass 6, belt layer 7 disposed radially outward of the carcass in tread portion 2, and sidewall rubber 3g disposed axially outward of the carcass in sidewall portion 3 and extending in the radial direction of the tire, wherein the sidewall rubber includes an axially inner rubber portion 10 disposed axially outward of the carcass and an axially outer rubber portion 11 disposed axially outward of the inner rubber portion to form the tire outer surface, the inner rubber portion 10 has a lower loss tangent “tan δ” than the outer rubber portion 11 by a difference of 0.010 to 0.035, and the inner rubber portion 10 has a lower complex elastic modulus than the outer rubber portion 11 by a difference of 0.5 to 1.4 MPa.

Abstract translation: 具有降低滚动阻力而不损害耐久性的重型轮胎，包括胎体6，设置在胎面部2中的胎体径向外侧的带束层7和在侧壁部3中沿轴向向外设置并且沿径向延伸的侧壁橡胶3g 所述侧壁橡胶包括沿所述胎体轴向设置的轴向内部橡胶部分10和沿所述内部橡胶部分的轴向外侧设置以形成所述轮胎外表面的轴向外部橡胶部分11，所述内部橡胶部分10具有 低于外橡胶部11的损耗角正切“tanδ”为0.010〜0.035的差，内橡胶部10的复数弹性模量比外橡胶部11的差为0.5〜1.4MPa。

公开(公告)号：US20070151649A1

公开(公告)日：2007-07-05

申请号：US11517463

申请日：2006-09-08

Applicant: Kazuki Numata

Inventor： Kazuki Numata

IPC: B60C13/00

CPC classification number: B60C13/04 ,  B60C1/0025 ,  B60C15/06 ,  B60C2013/006 ,  B60C2013/045 ,  Y02T10/862 ,  Y10T152/10819

Abstract: A heavy duty tire with decreased rolling resistance without impairing durability, comprising carcass 6, belt layer 7 disposed radially outward of the carcass in tread portion 2, and sidewall rubber 3g disposed axially outward of the carcass in sidewall portion 3 and extending in the radial direction of the tire, wherein the sidewall rubber includes an axially inner rubber portion 10 disposed axially outward of the carcass and an axially outer rubber portion 11 disposed axially outward of the inner rubber portion to form the tire outer surface, the inner rubber portion 10 has a lower loss tangent “tan δ” than the outer rubber portion 11 by a difference of 0.010 to 0.035, and the inner rubber portion 10 has a lower complex elastic modulus than the outer rubber portion 11 by a difference of 0.5 to 1.4 MPa.

Abstract translation: 具有降低的滚动阻力而不损害耐久性的重型轮胎，包括胎体6，在胎面部分2中设置在胎体的径向外侧的带束层7和侧壁橡胶3g，侧壁橡胶3g在侧壁部分3中轴向向外设置在胎体上并且在径向 轮胎的方向，其中侧壁橡胶包括沿胎体轴向设置的轴向内部橡胶部分10和沿内部橡胶部分轴向外侧设置以形成轮胎外表面的轴向外部橡胶部分11，内部橡胶部分10具有 比外橡胶部11的损耗角正切“tanδ”低0.010〜0.035，内橡胶部10的复数弹性模量比外橡胶部11的差为0.5〜1.4MPa。

公开(公告)号：US20070084533A1

公开(公告)日：2007-04-19

申请号：US11517286

申请日：2006-09-08

Applicant: Kazuki Numata

Inventor： Kazuki Numata

IPC: B60C11/00

CPC classification number: B60C11/00 ,  B60C9/2006 ,  B60C11/005 ,  B60C2009/1864 ,  B60C2011/0025 ,  B60C2011/0033 ,  B60C2013/006 ,  Y02T10/862

Abstract: A heavy duty tire having both an excellent wear resistance and a low rolling resistance and comprising a tread rubber having a two layer structure composed of a cap rubber layer 2Gb and a base rubber layer 2Ga underlying the cap layer, wherein the tread rubber extends axially outward from the tire equator and is bent at its edges to extend radially downward so that the cap layer is located axially outward of the base layer, and a pair of sidewall rubbers are disposed so that the radially outer end portion of each sidewall rubber covers the surface of the axially outer end of the tread rubber, and wherein the cap layer, the base layer and the sidewall rubber satisfy the dimensional relationships that on a lateral base line X drawn in the tire axial direction from an axially outer end 7Be of a belt ply 7B having the maximum width, the La/Lt ratio of a thickness La of the base layer 2Ga in the bent portion to a distance Lt from the axially outer end 7Be to the tire outer surface is 0.6 to 0.8, the Lb/Lt ratio of a thickness Lb of the cap layer 2Gb in the bent portion to the distance Lt is 0.1 to 0.3, and the Ls/Lt ratio of a thickness Ls of the sidewall rubber is 0.1 to 0.2; on a normal line N extending from the axially outer end 7Be to the tread outer surface, the Ta/Tt ratio of a thickness Ta of the base layer 2Ga to a distance Tt from the axially outer end 7Be to the tread outer surface is 0.35 to 0.45; and the Cb/Tb ratio of a thickness Cb of the cap layer 2Gb in a tread center region Yc to a thickness Tb of the cap layer 2Gb on the normal line N is between more than 1.0 and less than 1.6.

Abstract translation: 一种具有优异的耐磨性和低滚动阻力的重载轮胎，包括具有由盖橡胶层2Gb和基底橡胶层2 Ga构成的两层结构的胎面橡胶，所述基底橡胶层2 Ga位于盖层下方，其中胎面橡胶延伸 从轮胎赤道轴向向外弯曲并在其边缘处弯曲以径向向下延伸，使得盖层位于基层的轴向外侧，并且一对侧壁橡胶被设置成使得每个侧壁橡胶的径向外端部分覆盖 所述胎面橡胶的轴向外端的表面，并且其中所述帽层，所述基底层和所述侧壁橡胶满足在从轮胎轴向方向从所述轮胎轴向方向绘制的侧向基线X上的轴向外端7 Be 具有最大宽度的带束帘布层7B，弯曲部分中的基底层2Ga的厚度La与从轴向外端部7Bb到轮胎外表面的距离Lt的La / Lt比为 0.6〜0.8，弯曲部的盖层2Gb的厚度Lb与距离Lt的Lb / Lt比为0.1〜0.3，侧壁橡胶的厚度Ls的Ls / Lt比为0.1〜0.2 ; 在从轴向外端部7b延伸到胎面外表面的法线N上，基底层2 Ga的厚度Ta与从轴向外端部7b的距离Tt的比Ta / Tt与胎面外表面 为0.35〜0.45; 并且胎面中心区域Yc中的盖层2Gb的厚度Cb与法线N上的盖层2Gb的厚度Tb之间的Cb / Tb比大于1.0且小于1.6。

公开(公告)号：US06820670B1

公开(公告)日：2004-11-23

申请号：US09655842

申请日：2000-09-06

Applicant: Kiyoshi Ueyoko ,  Shinichi Miyazaki ,  Kazuki Numata ,  Tsuneyuki Nakagawa

Inventor： Kiyoshi Ueyoko ,  Shinichi Miyazaki ,  Kazuki Numata ,  Tsuneyuki Nakagawa

IPC: B60C1504

CPC classification number: B60C15/06 ,  B60C15/04 ,  B60C2015/044 ,  Y10T152/10819 ,  Y10T152/10828 ,  Y10T152/10837

Abstract: A pneumatic tire comprises a pair of bead portions each provided therein with a bead core made of windings of at least one wire, a carcass ply of cords extending between the bead portions and turned up around the bead core from the axially inside to the outside of the tire to form a pair of turnup portions and a main portion therebetween, a rubber bead apex disposed radially outside the bead core and between each said turnup portion and the main portion, and a fiber reinforced rubber spacer interposed between the bead core and the carcass ply to provide a positive distance between the carcass ply cords and bead core wire. The fiber reinforced rubber spacer has a securing portion which extends radially outwardly and axially outwardly from the axially inside of the bead core while separating from the bead core but contacting with the rubber bead apex. A distance (L1, L2) between an outermost point of the securing portion and the bead core is in a range of from 0.05 to 1.0 times a height of the bead core.

Abstract translation: 充气轮胎包括一对胎圈部分，每个胎圈部分中设置有由至少一个线圈的绕组制成的胎圈芯，胎圈帘布层帘线帘线在胎圈部分之间延伸并且从胎圈芯的轴向内侧向外延伸 所述轮胎在它们之间形成一对翻转部分和主要部分，设置在胎圈芯的径向外侧和每个所述翻转部分和主要部分之间的橡胶胎圈三角形和设置在胎圈芯和胎体之间的纤维增强橡胶隔离物 帘布层以在胎体帘布层绳和胎圈芯线之间提供正距离。 纤维增强橡胶隔离物具有固定部分，其从胎圈芯的轴向内部径向向外和向外向外延伸，同时与胎圈芯分离但与橡胶胎圈三角胶接触。 固定部分的最外点与胎圈芯之间的距离（L1，L2）在胎圈芯的高度的0.05至1.0倍的范围内。

公开(公告)号：US06752188B2

公开(公告)日：2004-06-22

申请号：US09888517

申请日：2001-06-26

Applicant: Yoshio Ohara ,  Yukio Endo ,  Kiyoshi Ueyoko ,  Kazuki Numata ,  Ikuji Ikeda

Inventor： Yoshio Ohara ,  Yukio Endo ,  Kiyoshi Ueyoko ,  Kazuki Numata ,  Ikuji Ikeda

IPC: B60C1500

CPC classification number: B60C15/04 ,  B29D2030/481 ,  B60C1/0008 ,  B60C15/06 ,  B60C2015/044 ,  Y10T152/10819 ,  Y10T152/10837 ,  Y10T152/10846

Abstract: A pneumatic tire comprises a carcass ply extending between bead portions and is turned up around a bead core in each bead portion to form two turnup portions and a main portion therebetween; each of the turnup portion extends radially outwardly and adjoins the main portion from a certain height above the bead core; a space is surrounded by the carcass ply main portion, and each turnup portion and the bead core is filled with a small size bead apex rubber or a gas; and the bead portion is provided between the carcass ply and the bead core with a bead core cover for preventing the carcass cords from direct contacting with the bead core.

Abstract translation: 充气轮胎包括在胎圈部分之间延伸的胎体帘布层，并且在每个胎圈部分中围绕胎圈芯卷起，形成两个翻转部分和它们之间的主要部分; 每个所述翻转部分径向向外延伸并且从所述胎圈芯上方的特定高度邻接所述主要部分; 一个空间由胎体帘布层主体部分围绕，每个翻转部分和胎圈芯都填充有小尺寸的胎圈三角橡胶或气体; 并且胎圈部分设置在胎体帘布层和胎圈芯之间，胎圈芯罩用于防止胎体帘线与胎圈芯直接接触。