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公开(公告)号：US09919568B2
公开(公告)日：2018-03-20
申请号：US14487391
申请日：2014-09-16
Applicant: Bridgestone Americas Tire Operations, LLC
Inventor： Robert Asper
CPC classification number: B60C15/0045 , B60C15/06 , B60C17/0009 , B60C17/0018 , B60C2009/1878 , B60C2017/0063 , B60C2017/0072 , B60C2017/0081
Abstract: A tire includes a tread formed in a crown region of the tire and sidewall regions extending from the crown region to bead areas. The tire further includes a toroidal element extending across a crown region of the tire, and further extending along at least a portion of each sidewall region of the tire. The toroidal element has a central region located between inner and outer regions. The central region is more elastic than the inner and outer regions.
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公开(公告)号：US20160325591A1
公开(公告)日：2016-11-10
申请号：US15111816
申请日：2015-01-07
Applicant: BRIDGESTONE CORPORATION
Inventor： Gaku OGAWA
CPC classification number: B60C17/0009 , B60C9/02 , B60C11/00 , B60C15/0603 , B60C17/0027 , B60C2013/007 , B60C2015/009 , B60C2015/061 , B60C2017/0072
Abstract: A run-flat tire includes a carcass, a tire side portion and a side reinforcement layer. The carcass bridges between a pair of bead portions. The tire side portion links between a bead portion and a tread portion. A carcass maximum width position of the tire side portion, at which the width of the carcass is at a maximum, is provided at the tire radial direction outer side relative to a position that is at 40% of the tire section height. The side reinforcement layer is provided at the tire width direction inner side of the carcass. A thickness of the side reinforcement layer at the position that is at 40% of the tire section height is not more than 65% of a thickness of the side reinforcement layer at the carcass maximum width position.
Abstract translation: 漏气保用轮胎包括胎体，轮胎侧部和侧部加强层。 胎体在一对胎圈部之间桥接。 轮胎侧部分在胎圈部分和胎面部分之间连接。 在胎体宽度最大的轮胎侧部的胎体最大宽度位置相对于轮胎胎面高度的40％的位置设置在轮胎径向外侧。 侧部加强层设置在胎体的轮胎宽度方向内侧。 处于轮胎截面高度的40％的位置处的侧面加强层的厚度不大于胎体最大宽度位置处侧面加强层的厚度的65％。
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公开(公告)号：US20160250900A1
公开(公告)日：2016-09-01
申请号：US15032312
申请日：2014-06-02
Applicant: BRIDGESTONE CORPORATION
Inventor： Gaku OGAWA
CPC classification number: B60C17/0036 , B60C9/0007 , B60C9/08 , B60C9/20 , B60C9/2009 , B60C9/28 , B60C15/00 , B60C17/0009 , B60C2009/0035 , B60C2009/2016 , B60C2009/2219 , B60C2017/0072
Abstract: A run-flat radial tire including a carcass spanning between a pair of bead portions, a side reinforcement layer provided to tire side portions coupling the bead portion and the tread portion together, and a reinforcement cord layer. The reinforcement cord layer is provided at a tire radial direction outside of the carcass, includes cord inclined to a tire circumferential direction at an angle of inclination of from 60 degrees to 90 degrees, and is disposed such that, when the side reinforcement layer is projected along a tire radial direction, an overlap width P of the reinforcement cord layer overlapping with the side reinforcement layer has a length of 7.5% of a tire section height, or greater.
Abstract translation: 一种扁平的子午线轮胎，包括跨越一对胎圈部之间的胎体，设置在将胎圈部和胎面部联接在一起的轮胎侧部的侧面加强层和加强帘线层。 增强帘线层设置在胎体外侧的轮胎径向，包括以60度〜90度的倾斜角度倾斜于轮胎周向的帘线，并且设置成当侧向加强层突出时 沿着轮胎径向，与侧面加强层重叠的加强帘线层的重叠宽度P的轮胎截面高度的长度为7.5％以上。
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公开(公告)号：US20160159149A1
公开(公告)日：2016-06-09
申请号：US14906552
申请日：2014-06-17
Applicant: BRIDGESTONE CORPORATION
Inventor： Takuto KAWASHIMA , Shinichiro KAWAKAMI
CPC classification number: B60C3/04 , B60C11/00 , B60C13/00 , B60C15/0009 , B60C15/0045 , B60C17/0009 , B60C2013/007 , B60C2017/0072
Abstract: A run-flat tire (10) includes: a pair of bead portions (12); side wall portions 14 that are respectively connected to the bead portions (12); a carcass (16) that spans between the pair of bead portions (12) and that includes a main body portion (16A) positioned between bead cores (24), and a folded-back portion (16B) folded back from an inner side toward an outer side about each bead core (24); a tread (18) that is provided at the tire radial direction outer side of the main body portion (16A); a side reinforcing layer (20) that is disposed at a tire width direction inner side of the main body portion (16A) and that is configured so as to respectively gradually decrease in thickness toward a crown portion (16C) of the carcass (16) and toward the bead portion (12); and side rubber (22) (a side layer) that is disposed in the side wall portion (14) at the tire outer side of the main body portion (16A), that configures a tire outer face, and that satisfies Gs/Gt6≦0.35, wherein Gs is a thickness of the side rubber (22) and Gt6 is an overall thickness of the side wall portion (14) at a position of a maximum width CW of the main body portion (16A) in the tire width direction.
Abstract translation: 漏气保用轮胎（10）包括：一对胎圈部（12）; 分别连接到胎圈部分（12）的侧壁部分14; 跨越所述一对胎圈部分（12）之间的胎体（16），并且包括位于胎圈芯（24）之间的主体部分（16A）和从内侧向后折叠的折回部分（16B） 围绕每个胎圈芯（24）的外侧; 设置在主体部（16A）的轮胎径向外侧的胎面（18）; 侧部加强层（20），其设置在主体部（16A）的轮胎宽度方向内侧，并且被构造成朝向胎体（16）的胎冠部（16C）分别逐渐减小， 并朝向胎圈部分（12）; 以及配置在主体部（16A）的轮胎外侧的侧壁部（14）中的侧橡胶（22），其构成轮胎外面，满足Gs / Gt6＆nlE; 0.35，其中Gs是侧橡胶（22）的厚度，Gt6是在轮胎宽度方向上的主体部（16A）的最大宽度CW的位置处的侧壁部（14）的总厚度。
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公开(公告)号：US20110284143A1
公开(公告)日：2011-11-24
申请号：US13111913
申请日：2011-05-19
Applicant: Kenji Horiuchi
Inventor： Kenji Horiuchi
IPC: B60C17/00
CPC classification number: B60C17/0027 , B60C9/005 , B60C15/00 , B60C15/0009 , B60C15/0018 , B60C15/0045 , B60C17/0009 , B60C2009/2252 , B60C2013/006 , B60C2013/007 , B60C2017/0063 , B60C2017/0072 , Y10T152/10819 , Y10T152/10837
Abstract: A side wall reinforced run flat tire, wherein a second carcass layer that does not reach a bead core is disposed along the outer peripheral surface of a carcass layer. A position of an outer peripheral edge of a bead filler, a relationship between a rubber thickness Gc of the inner side and a rubber thickness Ga of an outer side taken on the line X normal to the rim line and centered on the carcass layer, a relationship between the rubber thicknesses Ga and Gb of the side wall rubber in an upper region of a bead portion, and a position of a folded up end of the carcass layer are each stipulated.
Abstract translation: 一种侧壁加强的无水平轮胎，其中不存在胎圈芯的第二胎体层沿着胎体层的外周面设置。 胎圈填料的外周边缘的位置，内侧的橡胶厚度Gc与外侧线的橡胶厚度Ga之间的关系，该外侧的橡胶厚度Ga与轮缘线垂直并以胎体层为中心， 分别规定胎圈部的上部区域中的侧壁橡胶的橡胶厚度Ga和Gb与胎体层的折叠端的位置之间的关系。
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Patent Agency Ranking
公开(公告)号：US20180257439A1
公开(公告)日：2018-09-13
申请号：US15757294
申请日：2016-07-27
Applicant: The Yokohama Rubber Co., LTD.
Inventor： Hiraku Kouda
CPC classification number: B60C17/08 , B60C3/06 , B60C5/00 , B60C9/00 , B60C9/0292 , B60C9/08 , B60C9/17 , B60C13/003 , B60C17/00 , B60C17/0009 , B60C2017/0054 , B60C2017/0072
Abstract: A pneumatic tire has a designated vehicle inner/outer side orientation for when mounted on a vehicle, and includes: a reinforcing rubber layer disposed in sidewall portions on sides in a tire lateral direction, the reinforcing rubber layer having a crescent shaped meridian cross-section; wherein a radius of curvature with an arc joining intersections of straight lines and a tire external contour, and a radius of curvature with an arc joining intersections of the straight lines and a carcass layer have a relationship such that, on the vehicle outer side, a radius of curvature of the carcass layer is large with respect to a radius of curvature of the tire external contour, and on the vehicle inner side, a radius of curvature of the carcass layer is small with respect to a radius of curvature of the tire external contour.
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公开(公告)号：US09895939B2
公开(公告)日：2018-02-20
申请号：US14238072
申请日：2012-10-05
Applicant: SUMITOMO RUBBER INDUSTRIES, LTD.
Inventor： Susumu Tanaka
CPC classification number: B60C17/0009 , B60C3/06 , B60C19/001 , B60C2013/007 , B60C2017/0063 , B60C2017/0072 , Y10T29/49494 , Y10T152/10504
Abstract: A run-flat tire 1 comprises a carcass 6, a pair of side reinforcing rubber layers 9, and a pair of sidewall rubber components 10. At a tire maximum-width position, a first side reinforcing rubber layer 9A disposed in the side of a first bead portion has a thickness B1 greater than a thickness B2 of a second side reinforcing rubber layer disposed in the side of a second bead portion, and a first sidewall rubber component disposed in the side of the first bead portion has a thickness A1 smaller than a thickness A2 of a second sidewall rubber component disposed in the side of the second bead portion.
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公开(公告)号：US20170036495A1
公开(公告)日：2017-02-09
申请号：US15305098
申请日：2015-02-06
Applicant: BRIDGESTONE CORPORATION
Inventor： Gaku OGAWA
CPC classification number: B60C17/0009 , B60C9/20 , B60C9/30 , B60C17/00 , B60C2009/2012 , B60C2017/0072
Abstract: A run-flat radial tire has a tire section height SH equal to or greater than 115 mm and is equipped with a side-reinforcing rubber layer extending along an inner surface of a carcass from one tire side portion to another tire side portion wherein a tire equatorial plane CL is sandwiched in between the one tire side portion and the another tire side portion, wherein a thickness GE of the side-reinforcing rubber layer at the position of the tire equatorial plane and a thickness GA of the side-reinforcing rubber layer at positions where the carcass reaches its maximum width satisfy the relational expression GE≦0.6×GA.
Abstract translation: 扁平的子午线轮胎具有等于或大于115mm的轮胎截面高度SH，并且具有沿着胎体的内表面延伸的侧加强橡胶层，其从一个轮胎侧部到另一轮胎侧部，其中轮胎 赤道平面CL被夹在一个轮胎侧部和另一个轮胎侧部之间，其中侧面加强橡胶层在轮胎赤道面的位置处的厚度GE和侧面增强橡胶层的厚度GA在 胎体达到最大宽度的位置满足关系式GE≤0.6×GA。
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公开(公告)号：US20160144670A1
公开(公告)日：2016-05-26
申请号：US14897644
申请日：2014-05-12
Applicant: BRIDGESTONE CORPORATION
Inventor： Kenichi SAKURAI , Osamu MOTOORI , Gaku OGAWA
CPC classification number: B60C17/0009 , B60C9/02 , B60C15/0603 , B60C17/08 , B60C2015/061 , B60C2017/0054 , B60C2017/0063 , B60C2017/0072 , Y10T152/10837
Abstract: A tire includes: bead cores; a carcass; a bead filler that extends along an outer face of the carcass from the bead core toward a tire radial direction outer side; and side reinforcing rubber that is provided at a tire side portion that extends in the tire radial direction along an inner face of the carcass, that decreases in thickness on progression toward the bead core side and toward a tread portion side, that has an end portion at the bead core side that overlaps with bead filler with the carcass sandwiched therebetween, and that has an elongation at break of 130% or above, wherein a thickness of the side reinforcing rubber at a midpoint between an end portion at the tire radial direction outer side of the bead filler running along the carcass, and the end portion is 40% to 80% of a maximum thickness.
Abstract translation: 轮胎包括：胎圈芯; 胴体 胎圈填料，其沿胎体的外表面从胎圈芯向轮胎径向外侧延伸; 以及侧部增强橡胶，其设置在轮胎侧部，沿着胎体的内表面沿轮胎径向延伸，胎圈芯侧朝向胎面部侧朝向胎面部侧的厚度减小， 在与胎圈填料重叠的胎圈芯侧，胎体夹在胎圈芯之间，断裂伸长率为130％以上，其中，在轮胎径向外侧的端部之间的中点处的侧面增强橡胶的厚度 胎边填料沿着胎体延伸的一侧，并且端部为最大厚度的40％至80％。
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10.发明授权公开(公告)号：US08869852B2
公开(公告)日：2014-10-28
申请号：US13367889
申请日：2012-02-07
Applicant: Kenji Horiuchi
Inventor： Kenji Horiuchi
CPC classification number: B60C17/0009 , B60C9/005 , B60C9/22 , B60C15/0009 , B60C15/0018 , B60C15/06 , B60C15/0603 , B60C17/0018 , B60C2009/2252 , B60C2013/006 , B60C2013/007 , B60C2013/045 , B60C2015/0614 , B60C2017/0063 , B60C2017/0072 , Y10T152/10846
Abstract: A run flat tire with reinforced sides, wherein inner and outer rubber thickness ratios centered on a carcass layer in a side wall portion are stipulated and a side filler extending in the tire radial direction is embedded on the outer wall surface side of the side wall portion. In this run flat tire, the modulus of the side filler/modulus of a side reinforcing layer, the modulus of a rim cushion/a modulus of the side filler, the cross-sectional area of a bead filler/cross-sectional area of the side filler, the cross-sectional area of the side filler/cross-sectional area of the side reinforcing layer, the rubber hardness of the side reinforcing layer, and the material of belt cover layers are each stipulated.
Abstract translation: 具有加强侧面的防漏轮胎，其中规定了侧壁部分中的胎体层中心的内部和外部橡胶厚度比，并且在轮胎径向方向上延伸的侧部填料嵌入在侧壁部分的外壁表面侧上 。 在该平坦轮胎中，侧面填充物的模量/侧面增强层的模量，边缘垫的模量/侧面填料的模量，填料的横截面积/横截面积 侧面填料的侧面填充物的横截面积，侧面增强层的横截面积，侧面增强层的橡胶硬度，以及带束层的材料。
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