公开(公告)号：US20140138002A1

公开(公告)日：2014-05-22

申请号：US14127279

申请日：2012-05-17

申请人： Shinsaku Katayama

发明人： Shinsaku Katayama

IPC分类号： B60C3/04

CPC分类号： B60C3/04 ,  B60C9/0292 ,  B60C9/28 ,  B60C11/0083 ,  B60C15/0036 ,  B60C2009/283 ,  B60C2011/0033 ,  B60C2015/009 ,  Y02T10/862 ,  Y10T152/10765

摘要： Provided is a pneumatic tire having at least one carcass layer as a skeleton extending in toroidal shape over a pair of bead portions, at least one belt layer and a tread disposed on an outer side in the radial direction of a crown portion of the carcass. In a tire section in the widthwise direction in state where the tire is assembled to an application rim, ratio BD/BW of radius difference BD between radius at a center portion and radius at an end portion in the widthwise direction of an innermost layer of the belt layer, to width BW of the innermost layer, ranges from 0.01 to 0.04, and ratio TD/TW of radius difference TD between radius at a center portion and radius at an end portion of the tread in the widthwise direction of a tread ground surface, to tread ground-contact width TW, satisfies BD/BW

摘要翻译： 本发明提供一种充气轮胎，其具有至少一个胎体层作为骨架，在一对胎圈部分上以环形形状延伸，至少一个带束层和胎面设置在胎体冠部的径向外侧上。 在将轮胎组装到使用轮辋的状态下的宽度方向的轮胎截面中，中心部的半径与半径方向的半径的距离BD / BW与最内层的宽度方向的端部的半径 带层至最内层的宽度BW的范围为0.01至0.04，TD中心部分的半径之间的半径差TD的TD / TW与胎面的胎面接地面的宽度方向的端部的半径的比率 ，以达到接地宽度TW，满足BD / BW

公开(公告)号：US08272413B2

公开(公告)日：2012-09-25

申请号：US12064684

申请日：2006-08-24

申请人： Makoto Ishiyama ,  Hiroyuki Matsumoto ,  Shinsaku Katayama

发明人： Makoto Ishiyama ,  Hiroyuki Matsumoto ,  Shinsaku Katayama

IPC分类号： B60C11/03 ,  B60C11/12

CPC分类号： B60C11/0302 ,  B60C11/0306 ,  B60C2011/0313 ,  B60C2011/0341 ,  B60C2011/0374 ,  B60C2200/10

摘要： The present invention aims to provide a pneumatic tire for a motorcycle capable of improving turning performance on a wet road surface as compared to that of conventional tires. The pneumatic tire for a motorcycle comprises a tread 28 consisting of a tread central portion having a width of 60% of a tread developed width and tread side portions located outside of the tread central portion in the width direction of the tire and a plurality of wide inclined grooves 42 and narrow inclined grooves 44 inclined at an angle of less than 90 degrees with respect to the circumferential direction of the tire formed in the tread side portion such that the grooves continuously extend over a region of 50% or more of a width of the tread side portion. A groove width of the narrow inclined grooves 44 is set within a range between 0.3 mm and 2.5 mm. A total area of the wide inclined grooves 42 is set to not more than 20% of an area of the tread side portion. Such configuration can satisfy both of drainage performance and block stiffness of the tread contact portion in turning at a high level to obtain a higher grip force in turning on a wet road surface than that of conventional tires.

摘要翻译： 本发明的目的在于提供一种与现有轮胎相比能够提高湿路面的转向性能的摩托车用充气轮胎。 用于摩托车的充气轮胎包括胎面28，该胎面28由具有胎面展开宽度的60％的宽度的胎面中心部分和位于轮胎的宽度方向上的胎面中心部分的外侧的胎面侧部分组成，并且多个宽 相对于形成在胎面侧部分的轮胎的圆周方向以小于90度的角度倾斜的倾斜槽42和窄倾斜槽44，使得槽在50％以上的宽度的区域内连续延伸 胎面侧部分。 窄倾斜槽44的槽宽设定在0.3mm〜2.5mm的范围内。 宽倾斜槽42的总面积设定为不大于胎面侧部分的面积的20％。 这种构造能够在高水平转动时同时满足胎面接触部分的排水性能和块刚度，从而在湿路面上获得比传统轮胎更高的抓地力。

公开(公告)号：US20110214792A1

公开(公告)日：2011-09-08

申请号：US13129910

申请日：2009-11-20

申请人： Shinsaku Katayama

发明人： Shinsaku Katayama

IPC分类号： B60C9/02

CPC分类号： B60C9/2204 ,  B60C2200/10

摘要： A pneumatic tire for motorcycles is provided which can improve the traction performance especially during sharp cornering by largely leaning a vehicle (motorbike) followed by acceleration, and the stability during leaning of a vehicle in addition to enhancing the steering stability at high speed.A pneumatic tire for motorcycles having a tread portion 11 formed in a circular shape, the tread portion 11 having a crown portion which has a spiral belt layer 3 in its inside in the radial direction of the tire, the spiral belt layer having an angle of 0 to 5° with respect to the circumferential direction of the tire and an arrangement width 0.5 to 0.8 times as large as the tread width, wherein the spiral belt layer is arranged in such a manner that the center of the transverse direction of the spiral belt layer coincides with the tire equator and the curvature radius (R1) from the end portion of the spiral belt layer to the end portion of the tread portion is larger than the curvature radius (R2) from the end portion of the spiral belt layer to the tire equatorial plane.

摘要翻译： 提供一种用于摩托车的充气轮胎，其特别是在急剧转弯期间，通过大幅度倾斜车辆（摩托车），随后加速，以及车辆倾斜期间的稳定性以及高速提高操纵稳定性，可以提高牵引性能。 一种用于摩托车的充气轮胎，其具有形成为圆形的胎面部分11，胎面部分11具有冠部，胎冠部分在轮胎的径向方向上在其内侧具有螺旋带束层3，螺旋带束层具有 相对于轮胎的圆周方向为0〜5°，胎面宽度为0.5〜0.8倍的布置宽度，螺旋带层以螺旋带的横向中心 层与轮胎赤道重合，从螺旋带束层的端部到胎面部的端部的曲率半径（R1）大于从螺旋带束层的端部到 轮胎赤道平面。

公开(公告)号：US20100282386A1

公开(公告)日：2010-11-11

申请号：US12738475

申请日：2008-10-17

申请人： Shinsaku Katayama ,  Masahumi Koide ,  Makoto Ishiyama

发明人： Shinsaku Katayama ,  Masahumi Koide ,  Makoto Ishiyama

IPC分类号： B60C11/00

CPC分类号： B29D30/60 ,  B60C9/2204 ,  B60C11/00 ,  B60C11/005 ,  B60C11/0075 ,  B60C2011/0025 ,  B60C2200/10

摘要： This invention provides a pneumatic tire for a two-wheeled vehicle with improved lateral grip at cornering, controlled tread wear in the shoulder regions, ensured uniformity of wear on the left and the right, and secured heat generation in the tread on an actual vehicle. The pneumatic tire has left and right dissimilar rubber layers (15b, 15c) disposed in an inner layer of the tread in the left and right shoulder regions (16), respectively. Of the left and right dissimilar rubber layers (15b, 15c), made of a dissimilar rubber of a smaller tan δ than that of the rubber of a tread surface layer (15a), the width is within a range of 5% to 25% of the extended tread width, the position of the end on the tread edge (15z) side is within a range of 5% to 14% of the extended tread width as measured from the tread edge (15z), the position of the end on the center region (17) side is within a range of 15% to 30% of the extended tread width as measured from the tread edge (15z), and the thickness is 20% to 70% of the whole thickness of the tread. Also, the tan δ of the rubber constituting the left dissimilar rubber layer (15b) disposed on the more frequently used left side is smaller than the tan δ of the rubber constituting the right dissimilar rubber layer (15c) disposed on the less frequently used right side.

摘要翻译： 本发明提供了一种用于两轮车辆的充气轮胎，其具有改进的转弯侧向抓地力，肩部区域中受控的胎面磨损，确保左右磨损的均匀性，以及在实际车辆上胎面中的固定发热。 充气轮胎具有分别设置在左右肩部区域（16）的胎面内层的左右不同的橡胶层（15b，15c）。 在由与胎面表面层（15a）的橡胶相比较小tanδ的异种橡胶制成的左右不同橡胶层（15b，15c）中，宽度在5％〜25％的范围内， 在胎面边缘（15z）侧的端部的位置处于从胎面边缘（15z）测量的延伸胎面宽度的5％至14％的范围内，端部的位置在 中心区域（17）侧从胎面边缘（15z）测量的延伸胎面宽度的15％至30％的范围内，并且厚度为胎面整体厚度的20％至70％。 此外，构成更频繁使用的左侧的左异种橡胶层（15b）的橡胶的tanδ小于构成较不常用的右侧的右侧异种橡胶层（15c）的橡胶的tanδ 侧。

公开(公告)号：US20100065180A1

公开(公告)日：2010-03-18

申请号：US12515175

申请日：2007-11-16

申请人： Makoto Ishiyama ,  Masafumi Koide ,  Takashi Kawai ,  Shinsaku Katayama

发明人： Makoto Ishiyama ,  Masafumi Koide ,  Takashi Kawai ,  Shinsaku Katayama

IPC分类号： B60C9/22

CPC分类号： B60C9/2204 ,  B60C9/2009 ,  B60C9/22 ,  B60C2009/2029 ,  B60C2009/2219 ,  B60C2009/2223 ,  B60C2200/06

摘要： A belt reinforcement layer 16 disposed on a out side of a crossing belt 15 of the pneumatic tire across the full width of the crossing belt 15 comprises a first spiral reinforcement layer 17 covering the crossing belt 15 in wide range as a tread center portion is a center, being narrower than a tread width and being composed of an aromatic polyamide, a second spiral reinforcement layer 18 covering both end of two belt layer 15a and 15b of the crossing belt 15 and having a cord that a diameter thereof composed of a nylon is finer than a cord of the first spiral reinforcement layer 17 and a overlap portion 18z that a reinforcement layer overlaps is provided on a part of the second spiral reinforcement layer 18 so that separation between the belt layer and belt reinforcement layer can be controlled strongly and effective hoop effect is exhibited at the tread end portion so as to improve driving stability and durability at high-speed driving.

摘要翻译： 设置在交叉皮带15的整个宽度上的充气轮胎的交叉皮带15的外侧的皮带加强层16包括在胎面中心部分处宽度范围内覆盖交叉皮带15的第一螺旋加强层17 中心，比胎面宽度窄，由芳香族聚酰胺构成，覆盖交叉带15的两个带束层15a和15b的两端的第二螺旋形加强层18和具有由尼龙构成的直径的帘线 比第一螺旋加强层17的绳索和加强层重叠的重叠部分18z更细，在第二螺旋加强层18的一部分上设置，使得带束层和带束层加强层之间的分离能够被强烈有效地控制 在胎面端部表现出环绕效果，从而提高高速行驶时的行驶稳定性和耐久性。

公开(公告)号：US20120193008A1

公开(公告)日：2012-08-02

申请号：US13500481

申请日：2010-09-30

申请人： Shinsaku Katayama

发明人： Shinsaku Katayama

IPC分类号： B60C9/18

CPC分类号： B60C9/28 ,  B60C3/04 ,  B60C15/0036 ,  B60C2009/283 ,  B60C2015/009 ,  Y10T152/10765 ,  Y10T152/10864

摘要： There is provided a pneumatic tire having excellent uneven wear resistance performance, low rolling resistance and durability of side portion's appearance. The pneumatic tire comprises a carcass as a framework consisting of at least one carcass ply troidally extending between bead portions embedded with a pair of bead cores and turned around the bead cores from an inner side to an outer side in a tire width direction, a belt comprising at least one inclined belt layer and a tread successively disposed on a radially outer side of a crown portion of the carcass, wherein a ratio BD/BW is in a range between 0.01 and 0.04 in a section of the tire in the width direction in a state where the tire is mounted on an application rim, where BD is radius difference between radius at a central portion and radius at an end portion in the tire width direction of the outermost layer of the inclined belt layer and BW is a width of the outermost layer and CSEh is larger than SWh, where CSEh is a shortest distance from an end of a turn-up portion of the at least one carcass ply to a line drawn in parallel with a tire rotation axis at a bead toe and SWh is a shortest distance between a line drawn in parallel with the tire rotation axis at a maximum width position of the tire and the line drawn in parallel with the tire rotation axis at the bead toe.

摘要翻译： 提供了一种具有优异的不均匀耐磨性能，低滚动阻力和侧部外观的耐久性的充气轮胎。 充气轮胎包括作为框架的胎体，所述胎体由至少一个胎体帘布层构成，所述胎体帘布层在嵌入有一对胎圈芯的胎圈部分之间并且在轮胎宽度方向上从内侧向外侧转动， 包括至少一个倾斜带束层和相邻地设置在胎体冠部的径向外侧上的胎面，其中BD / BW在轮胎宽度方向上的截面中的比率为0.01和0.04之间 轮胎安装在应用轮辋上的状态，其中BD是中心部分的半径与倾斜带束层的最外层的轮胎宽度方向上的端部的半径之间的半径差，BW是宽度 最外层和CSEh大于SWh，其中CSEh是从至少一个胎体帘布层的卷起部分的端部到与胎圈趾部的轮胎旋转轴线平行绘制的线的最短距离，并且SWh是 在轮胎的最大宽度位置处与轮胎旋转轴平行绘制的线之间的最短距离和在胎圈趾处与轮胎旋转轴线平行绘制的线。

公开(公告)号：US20090255615A1

公开(公告)日：2009-10-15

申请号：US12064684

申请日：2006-08-24

申请人： Makoto Ishiyama ,  Hiroyuki Matsumoto ,  Shinsaku Katayama

发明人： Makoto Ishiyama ,  Hiroyuki Matsumoto ,  Shinsaku Katayama

IPC分类号： B60C11/04 ,  B60C11/03

CPC分类号： B60C11/0302 ,  B60C11/0306 ,  B60C2011/0313 ,  B60C2011/0341 ,  B60C2011/0374 ,  B60C2200/10

摘要： The present invention aims to provide a pneumatic tire for a motorcycle capable of improving turning performance on a wet road surface as compared to that of conventional tires. The pneumatic tire for a motorcycle comprises a tread 28 consisting of a tread central portion having a width of 60% of a tread developed width and tread side portions located outside of the tread central portion in the width direction of the tire and a plurality of wide inclined grooves 42 and narrow inclined grooves 44 inclined at an angle of less than 90 degrees with respect to the circumferential direction of the tire formed in the tread side portion such that the grooves continuously extend over a region of 50% or more of a width of the tread side portion. A groove width of the narrow inclined grooves 44 is set within a range between 0.3 mm and 2.5 mm. A total area of the wide inclined grooves 42 is set to not more than 20% of an area of the tread side portion. Such configuration can satisfy both of drainage performance and block stiffness of the tread contact portion in turning at a high level to obtain a higher grip force in turning on a wet road surface than that of conventional tires.

摘要翻译： 本发明的目的在于提供一种与现有轮胎相比能够提高湿路面的转向性能的摩托车用充气轮胎。 用于摩托车的充气轮胎包括胎面28，该胎面28由具有胎面展开宽度的60％的宽度的胎面中心部分和位于轮胎的宽度方向上的胎面中心部分的外侧的胎面侧部分组成，并且多个宽 相对于形成在胎面侧部分的轮胎的圆周方向以小于90度的角度倾斜的倾斜槽42和窄倾斜槽44，使得槽在50％以上的宽度的区域内连续延伸 胎面侧部分。 窄倾斜槽44的槽宽设定在0.3mm〜2.5mm的范围内。 宽倾斜槽42的总面积设定为不大于胎面侧部分的面积的20％。 这种构造能够在高水平转动时同时满足胎面接触部分的排水性能和块刚度，从而在湿路面上获得比传统轮胎更高的抓地力。

公开(公告)号：US08881783B2

公开(公告)日：2014-11-11

申请号：US13500481

申请日：2010-09-30

申请人： Shinsaku Katayama

发明人： Shinsaku Katayama

IPC分类号： B60C3/04 ,  B60C9/28 ,  B60C15/00

CPC分类号： B60C9/28 ,  B60C3/04 ,  B60C15/0036 ,  B60C2009/283 ,  B60C2015/009 ,  Y10T152/10765 ,  Y10T152/10864

摘要： There is provided a pneumatic tire having excellent uneven wear resistance performance, low rolling resistance and durability of side portion's appearance. The pneumatic tire comprises a carcass as a framework consisting of at least one carcass ply troidally extending between bead portions embedded with a pair of bead cores and turned around the bead cores from an inner side to an outer side in a tire width direction, a belt comprising at least one inclined belt layer and a tread successively disposed on a radially outer side of a crown portion of the carcass, wherein a ratio BD/BW is in a range between 0.01 and 0.04 in a section of the tire in the width direction in a state where the tire is mounted on an application rim, where BD is radius difference between radius at a central portion and radius at an end portion in the tire width direction of the outermost layer of the inclined belt layer and BW is a width of the outermost layer and CSEh is larger than SWh, where CSEh is a shortest distance from an end of a turn-up portion of the at least one carcass ply to a line drawn in parallel with a tire rotation axis at a bead toe and SWh is a shortest distance between a line drawn in parallel with the tire rotation axis at a maximum width position of the tire and the line drawn in parallel with the tire rotation axis at the bead toe.

摘要翻译： 提供了一种具有优异的不均匀耐磨性能，低滚动阻力和侧部外观的耐久性的充气轮胎。 充气轮胎包括作为框架的胎体，所述胎体由至少一个胎体帘布层构成，所述胎体帘布层在嵌入有一对胎圈芯的胎圈部分之间并且在轮胎宽度方向上从内侧向外侧转动， 包括至少一个倾斜带束层和相邻地设置在胎体冠部的径向外侧上的胎面，其中BD / BW在轮胎宽度方向上的截面中的比率为0.01和0.04之间 轮胎安装在应用轮辋上的状态，其中BD是中心部分的半径与倾斜带束层的最外层的轮胎宽度方向上的端部的半径之间的半径差，BW是宽度 最外层和CSEh大于SWh，其中CSEh是从至少一个胎体帘布层的卷起部分的端部到与胎圈趾部的轮胎旋转轴线平行绘制的线的最短距离，并且SWh是 在轮胎的最大宽度位置处与轮胎旋转轴平行绘制的线之间的最短距离和在胎圈趾处与轮胎旋转轴线平行绘制的线。

公开(公告)号：USD722557S1

公开(公告)日：2015-02-17

申请号：US29454499

申请日：2013-05-10

申请人： Ataka Takei ,  Hiroyuki Katsuno ,  Yoshikage Sato ,  Satoshi Ishikawa ,  Masakazu Amano ,  Koichi Ota ,  Eisuke Seta ,  Yoshio Kaji ,  Shinsaku Katayama ,  Masafumi Koide ,  Takayuki Kurata

设计人： Ataka Takei ,  Hiroyuki Katsuno ,  Yoshikage Sato ,  Satoshi Ishikawa ,  Masakazu Amano ,  Koichi Ota ,  Eisuke Seta ,  Yoshio Kaji ,  Shinsaku Katayama ,  Masafumi Koide ,  Takayuki Kurata

公开(公告)号：USD722556S1

公开(公告)日：2015-02-17

申请号：US29454494

申请日：2013-05-10

申请人： Ataka Takei ,  Hiroyuki Katsuno ,  Satoshi Ishikawa ,  Yoshikage Sato ,  Koichi Ota ,  Shinsaku Katayama ,  Eisuke Seta ,  Yoshio Kaji ,  Masafumi Koide ,  Takayuki Kurata ,  Masakazu Amano

设计人： Ataka Takei ,  Hiroyuki Katsuno ,  Satoshi Ishikawa ,  Yoshikage Sato ,  Koichi Ota ,  Shinsaku Katayama ,  Eisuke Seta ,  Yoshio Kaji ,  Masafumi Koide ,  Takayuki Kurata ,  Masakazu Amano