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公开(公告)号：US10071599B2
公开(公告)日：2018-09-11
申请号：US14916108
申请日：2014-08-28
发明人： Kouji Takenaka
IPC分类号： B60C11/03
CPC分类号： B60C11/0302 , B60C11/032 , B60C11/033 , B60C2011/0313 , B60C2011/0334 , B60C2011/0344 , B60C2011/0358 , B60C2011/0374 , B60C2011/0376 , B60C2011/0379 , B60C2011/0388 , B60C2200/10
摘要： A tire for a two-wheeled motor vehicle has a tread (2) including: a center region (Cr); a pair of middle regions (Mr) located on both sides of the center region (Cr); and a pair of inner shoulder regions (Sr) located on both sides of the middle regions (Mr). The tread (2) has provided therein: inner tilted grooves (10) having outer ends (10e) provided within the middle regions (Mr); and outer tilted grooves (11) having inner ends (11i) provided within the middle regions (Mr). The groove area ratio of the center region (Cr) is from 34% to 39%, the groove area ratio of the middle regions (Mr) is from 14% to 19%, and the groove area ratio of the inner shoulder regions (Sr) is from 14% to 19%.
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公开(公告)号：US09688102B2
公开(公告)日：2017-06-27
申请号：US13756629
申请日：2013-02-01
发明人： Kouji Takenaka
IPC分类号： B60C11/03 , B60C11/117
CPC分类号： B60C11/0302 , B60C2011/0372 , B60C2011/0374 , B60C2200/10
摘要： A motorcycle tire improved in transient characteristics when leaned is disclosed, wherein the tread portion has a unidirectional tread pattern comprising: inside oblique main grooves disposed on each side of the tire equator staggeredly, inclined to the axially outside toward the intended rotational direction (R) at an angle of 5 to 30 degrees with respect to the circumferential direction, and each having an inner end (Ai) at a distance of 0 to 30% of the half tread width (W) from the tire equator; and outside oblique main grooves 11 disposed on each side of the tire equator staggeredly, inclined to the axially outside toward the counter-rotational direction at an angle of 10 to 60 degrees with respect to the circumferential direction, and each having an inner end (Bi) axially inside the outer end (Ao).
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公开(公告)号：US09340070B2
公开(公告)日：2016-05-17
申请号：US13756853
申请日：2013-02-01
发明人： Kouji Takenaka
IPC分类号： B60C11/03 , B60C11/117
CPC分类号： B60C11/0302 , B60C11/032 , B60C2011/0372 , B60C2011/0374 , B60C2200/10
摘要： A motorcycle tire includes a tread portion having a first region and a second region divided by the tire equator, with the tread portion being provided with first inner inclined grooves provided in the first region and second inner inclined grooves provided in the second region, first and second inner inclined grooves alternately arranged in a tire circumferential direction, the inner inclined groove extending from an axially inner end Ai toward an anti-designated rolling direction to an axially outer end Ao at an angle α of 0-20 to the tire circumferential direction, and first outer inclined grooves provided in the first region and second outer inclined grooves provided in the second region, and first and second outer inclined grooves alternately arranged in the tire circumferential direction, the outer inclined groove extending from an axially inner end Bi toward a designated rolling direction to an axially outer end Bo.
摘要翻译： 摩托车轮胎包括具有第一区域和由轮胎赤道划分的第二区域的胎面部，胎面部设置有设置在第一区域中的第一内部倾斜槽和设置在第二区域中的第二内部倾斜槽， 沿轮胎周向交替布置的第二内倾斜槽，内倾斜槽从轴向内端部A 1朝防滚动方向延伸到轴向外端部Ao，其角度α为轮胎周向的0-20度， 设置在第一区域中的第一外倾斜槽和设置在第二区域中的第二外倾斜槽，以及沿轮胎周向交替布置的第一和第二外倾斜槽，外倾斜槽从轴向内端Bi朝向指定 轧制方向到轴向外端Bo。
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公开(公告)号：US10071600B2
公开(公告)日：2018-09-11
申请号：US14903533
申请日：2014-07-01
发明人： Kouji Takenaka
IPC分类号： B60C11/03
CPC分类号： B60C11/032 , B60C11/0302 , B60C11/0304 , B60C11/033 , B60C2011/0334 , B60C2011/0374 , B60C2011/0381 , B60C2200/10
摘要： A tire for a motorbike can improve turning performance and dry grip performance with good balance. In a tire for a motorbike, a tread part is provided with a first inclined groove and a second inclined groove disposed closer to a tread end than is the first inclined groove. The first inclined groove is provided to a forward-movement grounded area. An inner end of the second inclined groove is provided in an area within a range 2% of a tread expansion radius centered about an end edge of the forward-movement grounded area. An outer end of the second inclined groove is provided to a position displaced from the inner end of the second inclined groove toward the tread end by an interval 20%-30% of the tread expansion radius. Either no other grooves besides the second inclined groove are provided to a second inclined groove formation area, or the length of the area in the direction of expansion width where another groove is located in the second inclined groove formation area is 25% or less of the expansion width of the second inclined groove formation area.
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