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公开(公告)号：US10245897B2
公开(公告)日：2019-04-02
申请号：US14351065
申请日：2012-10-12
Applicant: BRIDGESTONE CORPORATION
Inventor： Yuki Kawakami
Abstract: A pneumatic tire according to the present invention including a tread surface having at least one circumferential groove extending along a tire circumferential direction and a plurality of widthwise grooves opening to the circumferential groove, the widthwise grooves having a groove width wider than a groove width of the circumferential groove at least in a portion opening to the circumferential groove and, the widthwise grooves extending in a direction inclined with respect to the tire circumferential direction, wherein a recess is formed on a groove wall surface of the circumferential groove opposite to the widthwise groove.
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公开(公告)号：US09162532B2
公开(公告)日：2015-10-20
申请号：US14359885
申请日：2012-11-22
Applicant: BRIDGESTONE CORPORATION
Inventor： Yuki Kawakami
CPC classification number: B60C11/0306 , B60C11/0304 , B60C11/11 , B60C11/1384 , B60C11/1392 , B60C2011/013 , B60C2200/065
Abstract: The tire includes a tread portion to come into contact with a road surface. A lateral groove portion extending in a direction intersecting with a tire circumferential direction, and a land portion partitioned by the lateral groove portion are formed in the tread portion. The land portion includes: a ground-contact face to come into contact with the road surface; a side face formed on an outer side in a tread width direction of the land portion; a lateral groove face constituting a groove wall of the lateral groove portion formed on one end in the tire circumferential direction of the land portion; and a tapered face which meets the ground-contact face, the side face, and the lateral groove face in a corner portion formed by the ground-contact face, the side face, and the lateral groove face.
Abstract translation: 轮胎包括与路面接触的胎面部。 在胎面部形成有沿与轮胎周向交叉的方向延伸的横向槽部和由横向槽部分隔开的台阶部。 地面部分包括：接地面与路面接触; 侧面，形成在所述陆部的胎面宽度方向的外侧; 横向槽面，其形成在所述陆部的轮胎周向上的一端上形成的横向槽部的槽壁; 以及在由接地面，侧面和横向槽面形成的角部中与接地面，侧面和横向槽面相遇的锥面。
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公开(公告)号：US20150151590A1
公开(公告)日：2015-06-04
申请号：US14412518
申请日：2013-07-04
Applicant: BRIDGESTONE CORPORATION
Inventor： Kazutaka Matsuzawa , Shun Ogane , Yuki Kawakami
CPC classification number: B60C11/1369 , B60C11/0302 , B60C11/0304 , B60C11/0306 , B60C11/0311 , B60C11/0316 , B60C11/042 , B60C2011/0372 , B60C2011/0388 , B60C2011/1361 , B60C2200/065
Abstract: A tire is a tire in which circumferential grooves, and lug grooves comprising opening portion in tread end and which extend in the tread width direction from the tread end to the circumferential groove, are formed. Projection parts are provided in the groove bottom of the circumferential grooves. The projection parts extend from one side wall forming a circumferential groove to the other side wall opposite the one side wall. Multiple lug grooves are formed at predetermined intervals in the circumferential direction. In the tread surface view of the tire, given points of intersection as the points at which a circumferential groove extension that passes through a circumferential groove intersects with a lug groove extension that passes through a lug groove, the projection parts are provided between a first point of intersection and a second point of intersection adjacent to the first point of intersection in the circumferential direction.
Abstract translation: 轮胎是轮胎，其中形成有周向槽和包括胎面端部的开口部分并且从胎面宽度方向从胎面端延伸到周向槽的横向花纹沟。 在圆周槽的凹槽底部设置有投射部。 突起部分从形成周向槽的一个侧壁延伸到与一个侧壁相对的另一个侧壁。 在圆周方向上以预定的间隔形成多个横向花纹沟。 在轮胎的胎面表面视图中，作为通过周向槽的周向槽延伸部与通过横向花纹槽的横向花纹槽延伸部相交的点的给定交点，所述突出部设置在第一点 并且在圆周方向上与第一交点相邻的第二交点。
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公开(公告)号：US20140318676A1
公开(公告)日：2014-10-30
申请号：US14359885
申请日：2012-11-22
Applicant: BRIDGESTONE CORPORATION
Inventor： Yuki Kawakami
IPC: B60C11/03
CPC classification number: B60C11/0306 , B60C11/0304 , B60C11/11 , B60C11/1384 , B60C11/1392 , B60C2011/013 , B60C2200/065
Abstract: The tire includes a tread portion to come into contact with a road surface. A lateral groove portion extending in a direction intersecting with a tire circumferential direction, and a land portion partitioned by the lateral groove portion are formed in the tread portion. The land portion includes: a ground-contact face to come into contact with the road surface; a side face formed on an outer side in a tread width direction of the land portion; a lateral groove face constituting a groove wall of the lateral groove portion formed on one end in the tire circumferential direction of the land portion; and a tapered face which meets the ground-contact face, the side face, and the lateral groove face in a corner portion formed by the ground-contact face, the side face, and the lateral groove face.
Abstract translation: 轮胎包括与路面接触的胎面部。 在胎面部形成有沿与轮胎周向交叉的方向延伸的横向槽部和由横向槽部分隔开的台阶部。 地面部分包括：接地面与路面接触; 侧面，形成在所述陆部的胎面宽度方向的外侧; 横向槽面，其形成在所述陆部的轮胎周向上的一端上形成的横向槽部的槽壁; 以及在由接地面，侧面和横向槽面形成的角部中与接地面，侧面和横向槽面相遇的锥面。
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公开(公告)号：US12168366B2
公开(公告)日：2024-12-17
申请号：US17601597
申请日：2020-06-17
Applicant: BRIDGESTONE CORPORATION
Inventor： Yuki Kawakami
Abstract: A vehicle wheel having a rim part to which a tire is mounted and a vehicle body attachment part which is attached to a vehicle body, in which the rim part has, on an inner circumferential surface thereof, a plurality of fins each having a heat dissipation surface, and in which the fins are arranged periodically along a circumferential direction.
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Patent Agency Ranking
公开(公告)号：US10391820B2
公开(公告)日：2019-08-27
申请号：US14773850
申请日：2014-03-13
Applicant: BRIDGESTONE CORPORATION
Inventor： Yuki Kawakami
Abstract: Provided is a pneumatic tire being improved in heat dissipation effect in the tread portion while being ensured in rigidity of the land portion. A narrow groove (9) is formed on a tread surface (1), the narrow groove extending in a direction inclined relative to the tire circumferential direction and having a groove width (W1) and a groove depth (D1), the groove width (W1) being smaller than the groove depth (D1). The narrow groove (9) opens at both ends thereof to the outside of the land portion. An air inflow part (10) is formed on at least one of the groove walls (9c) of the narrow groove (9), the groove walls facing each other in the tire circumferential direction, where the narrow groove (9) has a maximum depth (D1) and the air inflow part (10) has a maximum depth (D2), the D1 and the D2 satisfying 5
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公开(公告)号：US09566830B2
公开(公告)日：2017-02-14
申请号：US14379146
申请日：2013-02-22
Applicant: BRIDGESTONE CORPORATION
Inventor： Takayoshi Hironaka , Yuki Kawakami
CPC classification number: B60C11/13 , B60C11/01 , B60C11/0311 , B60C11/0316 , B60C11/12 , B60C13/002 , B60C2011/0313 , B60C2011/0344 , B60C2011/0348 , B60C2011/0365 , B60C2200/065
Abstract: A pneumatic tire adapted to effectively suppress temperature rise of a tread portion during loaded rolling of the tire, and sufficiently suppress failure of the tread portion due to the temperature rise. The tread portion of the pneumatic tire extends between both tread ends and has a tread surface with lug grooves. Each lug groove extends in a tire width direction and has an opening at its one end to a buttress that extends from the tread end radially inwards of the tire. The buttress has a surface with a projection on one side, in a tire circumferential direction, of the buttress-side opening of the lug groove to protrude in the tire width direction. The projection has a radially outer end in a radially outer side than a radially inner end of the buttress-side opening of the lug groove.
Abstract translation: 一种充气轮胎，其适于在轮胎的加载滚动期间有效地抑制胎面部的温度上升，并且充分地抑制由于温度升高引起的胎面部的失效。 充气轮胎的胎面部分在两个胎面端部之间延伸并且具有带有花纹沟的胎面。 每个横向花纹沟在轮胎宽度方向上延伸，并且在其一端具有从轮胎径向向内的胎面端延伸的支撑件的开口。 支撑体具有在横向花纹沟的支撑侧开口的轮胎周向的一侧上突出的表面，以在轮胎宽度方向上突出。 突出部在径向外侧具有径向外端，而不是横向槽的支撑侧开口的径向内端。
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公开(公告)号：US20150007918A1
公开(公告)日：2015-01-08
申请号：US14379146
申请日：2013-02-22
Applicant: BRIDGESTONE CORPORATION
Inventor： Takayoshi Hironaka , Yuki Kawakami
CPC classification number: B60C11/13 , B60C11/01 , B60C11/0311 , B60C11/0316 , B60C11/12 , B60C13/002 , B60C2011/0313 , B60C2011/0344 , B60C2011/0348 , B60C2011/0365 , B60C2200/065
Abstract: A pneumatic tire adapted to effectively suppress temperature rise of a tread portion during loaded rolling of the tire, and sufficiently suppress failure of the tread portion due to the temperature, rise. The tread portion of the pneumatic tire extends between both tread ends and has a tread surface with lug grooves. Each lug groove extends in a tire width direction and has an opening at its one end to a buttress that extends from the tread end radially inwards of the tire. The buttress has a surface with a projection on one side, in a tire circumferential direction, of the buttress-side opening of the lug groove to protrude in the tire width direction. The projection has a radially outer end in a radially outer side than a radially inner end of the buttress-side opening of the lug groove.
Abstract translation: 一种充气轮胎，其适于在轮胎的负载滚动期间有效地抑制胎面部的温度升高，并且充分抑制由于温度导致的胎面部的失效。 充气轮胎的胎面部分在两个胎面端部之间延伸并且具有带有花纹沟的胎面。 每个横向花纹沟在轮胎宽度方向上延伸，并且在其一端具有从轮胎径向向内的胎面端延伸的支撑件的开口。 支撑体具有在横向花纹沟的支撑侧开口的轮胎周向的一侧上突出的表面，以在轮胎宽度方向上突出。 突出部在径向外侧具有径向外端，而不是横向槽的支撑侧开口的径向内端。
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公开(公告)号：US20140290817A1
公开(公告)日：2014-10-02
申请号：US14351065
申请日：2012-10-12
Applicant: BRIDGESTONE CORPORATION
Inventor： Yuki Kawakami
IPC: B60C11/13
CPC classification number: B60C11/1307 , B60C11/0306 , B60C2011/0358 , B60C2011/0365 , B60C2011/133
Abstract: A pneumatic tire according to the present invention including a tread surface having at least one circumferential groove extending along a tire circumferential direction and a plurality of widthwise grooves opening to the circumferential groove, the widthwise grooves having a groove width wider than a groove width of the circumferential groove at least in a portion opening to the circumferential groove and, the widthwise grooves extending in a direction inclined with respect to the tire circumferential direction, wherein a recess is formed on a groove wall surface of the circumferential groove opposite to the widthwise groove.
Abstract translation: 根据本发明的充气轮胎，包括具有沿着轮胎周向延伸的至少一个周向槽的胎面表面和与所述周向槽相通的多个宽度方向槽，所述宽度方向槽的槽宽度宽于所述轮胎周向槽的槽宽度 至少在与所述周向槽相对的部分中的所述周向槽，并且所述宽度方向槽沿相对于轮胎周向倾斜的方向延伸，其中在所述周向槽的与所述宽度方向槽相对的槽壁表面上形成有凹部。
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公开(公告)号：US09815337B2
公开(公告)日：2017-11-14
申请号：US14412518
申请日：2013-07-04
Applicant: BRIDGESTONE CORPORATION
Inventor： Kazutaka Matsuzawa , Shun Ogane , Yuki Kawakami
CPC classification number: B60C11/1369 , B60C11/0302 , B60C11/0304 , B60C11/0306 , B60C11/0311 , B60C11/0316 , B60C11/042 , B60C2011/0372 , B60C2011/0388 , B60C2011/1361 , B60C2200/065
Abstract: A tire is a tire in which circumferential grooves, and lug grooves comprising opening portion in tread end and which extend in the tread width direction from the tread end to the circumferential groove, are formed. Projection parts are provided in the groove bottom of the circumferential grooves. The projection parts extend from one side wall forming a circumferential groove to the other side wall opposite the one side wall. Multiple lug grooves are formed at predetermined intervals in the circumferential direction. In the tread surface view of the tire, given points of intersection as the points at which a circumferential groove extension that passes through a circumferential groove intersects with a lug groove extension that passes through a lug groove, the projection parts are provided between a first point of intersection and a second point of intersection adjacent to the first point of intersection in the circumferential direction.
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