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公开(公告)号：US09950572B2
公开(公告)日：2018-04-24
申请号：US14229193
申请日：2014-03-28
发明人： Yoshiaki Takemoto
CPC分类号： B60C11/0304 , B60C11/12 , B60C11/1236 , B60C2011/0348 , B60C2011/0353 , B60C2011/0365 , B60C2011/0372 , B60C2011/0381 , B60C2011/0383 , B60C2011/0388 , B60C2011/039 , B60C2011/129 , B60C2011/1295
摘要： A pneumatic tire has a tread portion provided with an asymmetrical tread pattern and comprising an inboard shoulder land portion, an inboard shoulder main groove, an inboard middle land portion, an inboard crown main groove, a center land portion, an outboard crown main groove, an outboard middle land portion, an outboard shoulder main groove, and an outboard shoulder land portion. The inboard middle land portion is provided with inboard middle axial grooves extending from the inboard shoulder main groove and each comprising a main portion and a turnback portion. The inboard shoulder land portion is provided with inboard shoulder sipes extending from the inboard shoulder main groove.
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公开(公告)号：US09555669B2
公开(公告)日：2017-01-31
申请号：US14020225
申请日：2013-09-06
发明人： Yoshiaki Takemoto
CPC分类号： B60C11/0304 , B60C11/12 , B60C11/1218 , B60C11/1236 , B60C2011/0346 , B60C2011/0348 , B60C2011/0374 , B60C2011/0381 , B60C2011/0395 , B60C2011/1227
摘要： A pneumatic tire includes a tread portion with an asymmetric pattern including an outboard shoulder main groove, an inboard shoulder main groove, an outboard shoulder portion between the outboard shoulder main groove and an outboard tread edge, a middle portion between the outboard shoulder main groove and the inboard shoulder main groove, and an inboard shoulder portion between the inboard shoulder main groove and an inboard tread edge, wherein the outboard shoulder portion is provided with a three dimensional sipe that has a pair of sipe surfaces extending to a depth direction of the sipe while changing its direction or opening configuration, and the inboard shoulder portion or the middle portion is provided with a two dimensional sipe that has a pair of sipe surfaces extending to a depth direction of the sipe while maintaining its direction and opening configuration.
摘要翻译： 一种充气轮胎，包括具有非对称图案的胎面部，所述胎面部包括外侧胎肩主槽，内侧胎肩主槽，所述外侧胎肩主槽和外侧胎面边缘之间的外侧肩部，所述外侧胎肩主槽和 内侧胎肩主槽和内侧胎肩主槽和内侧胎面边缘之间的内侧肩部，其中，所述外侧胎肩部设置有三维刀槽花纹，所述三维刀槽花纹具有延伸至所述刀槽花纹的深度方向的一对刀槽花纹 同时改变其方向或打开构造，并且内侧肩部或中间部分设置有二维刀槽花纹，其具有在保持其方向和开口构造的同时延伸到刀槽花纹的深度方向的一对刀槽花纹表面。
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公开(公告)号：US10343462B2
公开(公告)日：2019-07-09
申请号：US14933701
申请日：2015-11-05
发明人： Yoshiaki Takemoto
摘要： A pneumatic tire comprises a tread portion 2 provided with two shoulder main grooves 3, a crown main grooves 4, two shoulder land zones 8, and two middle land zones 7. The shoulder land zones 8 are each provided with shoulder lateral grooves 11. The middle land zones 7 are each provided with middle narrow grooves 10. Each of the middle narrow grooves 10 comprises a sipe-like narrow portion 12 whose groove width is less than 2 mm, and a wide portion 14 whose groove width is not less than 2 mm. The wide portion 14 includes an axially outer wide portion 15 formed at the axially outer end of the middle narrow groove 10.
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公开(公告)号：US20160152090A1
公开(公告)日：2016-06-02
申请号：US14933701
申请日：2015-11-05
发明人： Yoshiaki Takemoto
CPC分类号： B60C11/0327 , B60C11/0306 , B60C11/1236 , B60C11/125 , B60C11/1272 , B60C11/1281 , B60C11/1376 , B60C2011/0334 , B60C2011/0344 , B60C2011/036 , B60C2011/0365 , B60C2011/0381 , B60C2011/0395
摘要： A pneumatic tire comprises a tread portion 2 provided with two shoulder main grooves 3, a crown main grooves 4, two shoulder land zones 8, and two middle land zones 7. The shoulder land zones 8 are each provided with shoulder lateral grooves 11. The middle land zones 7 are each provided with middle narrow grooves 10. Each of the middle narrow grooves 10 comprises a sipe-like narrow portion 12 whose groove width is less than 2 mm, and a wide portion 14 whose groove width is not less than 2 mm. The wide portion 14 includes an axially outer wide portion 15 formed at the axially outer end of the middle narrow groove 10.
摘要翻译： 充气轮胎包括设置有两个胎肩主槽3，胎冠主槽4，两个胎肩区域8和两个中间陆地区域7的胎面部分2.胎肩接地区域8分别设置有肩部横向槽11。 中间区域7分别设置有中间窄槽10.每个中间窄槽10包括槽宽度小于2mm的刀槽花纹狭窄部分12和槽宽度不小于2的宽部分14 mm。 宽部14包括形成在中间窄槽10的轴向外端的轴向外部宽部15。
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公开(公告)号：US10384491B2
公开(公告)日：2019-08-20
申请号：US15359753
申请日：2016-11-23
发明人： Yoshiaki Takemoto
摘要： A pneumatic tire whose position when mounted on a vehicle is specified has a tread portion 2 having an outside tread edge Teo, an inside tread edge Tei, an outside crown land region 6, and an inside crown land region 7. In a meridian cross-section of the tire including the rotational axis of the tire in its regular state mounted on a regular rim, inflated to a regular pressure and loaded with no tire load, the outside crown land region 6 and the inside crown land region 7 each have a tread convexed outwardly in the tire radial direction, and the radius of curvature R1 of the tread of the outside crown land region 6 is greater than the radius of curvature R2 of the tread of the inside crown land region 7.
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公开(公告)号：US09981508B2
公开(公告)日：2018-05-29
申请号：US14916500
申请日：2014-09-03
发明人： Yoshiaki Takemoto
CPC分类号： B60C11/1236 , B60C11/0304 , B60C11/0306 , B60C11/0327 , B60C11/1281 , B60C11/1307 , B60C11/1392 , B60C2011/0334 , B60C2011/0341 , B60C2011/0358 , B60C2011/0381 , B60C2011/0383 , B60C2011/0388 , B60C2011/039 , B60C2011/1209 , B60C2011/1245 , B60C2011/1254
摘要： It is a pneumatic tire 1 which is provided with a pair of shoulder land portions 4A defined between shoulder main grooves 3A and tread edges 2t by having the grooves 3A. At least one of the shoulder land portions 4A is provided with a plurality of shoulder lug grooves 5 and a plurality of shoulder sipes 6. The shoulder lug grooves 5 include first shoulder lug grooves 5A extending axially inward from the tread edge 2t and terminating without reaching the shoulder main groove 3A. The shoulder sipes 6 include first shoulder sipes 6A extending axially inward from the axially inner ends 5Ai of the first shoulder lug grooves 5A and connected to the shoulder main groove 3A, and second shoulder sipes 6B intersecting the first shoulder sipes 6A and extending in the tire circumferential direction.
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