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    • 2. 发明专利
    • Pneumatic radial tire
    • 气动辐射轮胎
    • JP2013147229A
    • 2013-08-01
    • JP2012011257
    • 2012-01-23
    • Bridgestone Corp株式会社ブリヂストン
    • HAYASHI SHINTAROKURATA TAKAYUKI
    • B60C9/22B60C9/18B60C9/20
    • PROBLEM TO BE SOLVED: To reduce the weight of a pneumatic radial tire, to reduce rolling resistance, to improve partial wear resistance performance, and to secure durability.SOLUTION: A pneumatic radial tire includes: a first inclined belt layer 21 comprising a plurality of steel cords which are inclined from a center side in a width direction of the tire to one of outer sides in the width direction of the tire with respect to a tire rotation direction R, and coated with rubber; a second inclined belt layer 22 arranged at an outer side of a carcass ply 18 in a tire radial direction to be parallel to the first inclined belt layer 21, and comprising a plurality of steel cords which are inclined from the center side in the width direction of the tire to the other one of outer sides in the width direction of the tire with respect to the tire rotation direction R, and coated with rubber; a circumferential belt layer 24 arranged in the tire radial direction of the first inclined belt layer 21 and the second inclined belt layer 22; and reinforcing layers 26 arranged in a manner of covering ends 21A, 22A of the first inclined belt layer 21 and the second inclined belt layer 22, respectively, at the center side in the width direction of the tire, and comprising organic fibers coated with rubber.
    • 要解决的问题:减轻充气子午线轮胎的重量,降低滚动阻力,提高部分耐磨性能并确保耐久性。解决方案:一种充气子午线轮胎包括:第一倾斜带束层21,包括多个 钢帘线从轮胎的宽度方向的中心侧向轮胎宽度方向的外侧相对于轮胎转动方向R倾斜,并涂覆有橡胶; 布置在胎体帘布层18的轮胎径向外侧平行于第一倾斜带束层21的第二倾斜带层22,并且包括从宽度方向中央侧倾斜的多根钢丝帘线 轮胎相对于轮胎旋转方向R在轮胎的宽度方向上的另一侧的另一侧,并且涂覆有橡胶; 布置在第一倾斜带束层21和第二倾斜带束层22的轮胎径向的圆周带束层24; 以及加强层26,其分别以轮胎的宽度方向的中心侧覆盖第一倾斜带束层21和第二倾斜带束层22的端部21A,22A,并且包括涂覆有橡胶的有机纤维 。
    • 3. 发明专利
    • Pneumatic tire
    • 气动轮胎
    • JP2012188080A
    • 2012-10-04
    • JP2011055585
    • 2011-03-14
    • Bridgestone Corp株式会社ブリヂストン
    • TOMITA TATSUYAHAYASHI SHINTARO
    • B60C11/04B60C11/13
    • PROBLEM TO BE SOLVED: To provide a pneumatic tire in which traction performance on snow is enhanced while securing braking performance on a dry road surface.SOLUTION: The tire 10 includes a central circumferential main groove 14 provided in a tread 12 to extend in a circumferential direction of the tire, in which narrow parts 14A and wide parts 14B are alternately formed in the circumferential direction of the tire, and a width direction groove 24 continuously formed over a central land part 18 and an intermediate land part 20 on both sides of each of the wide parts 14B in a tire width direction to extend in a direction crossed with the central circumferential main groove 14, respectively terminated in the central land part 18 and the intermediate land part 20.
    • 要解决的问题:提供一种在干燥路面上确保制动性能的同时提高雪上的牵引性能的充气轮胎。 解决方案:轮胎10包括设置在胎面12中沿圆周方向延伸的中心圆周主槽14,其中在轮胎的圆周方向上交替形成有窄部分14A和宽部分14B, 以及沿轮胎宽度方向连续地形成在每个宽部14B的两侧的中央陆部18和中间陆部20上的宽度方向槽24,分别沿与中心圆周主槽14交叉的方向延伸 终止于中央陆地部分18和中间陆地部分20.版权所有(C)2013,JPO&INPIT
    • 4. 发明专利
    • Pneumatic tire
    • 气动轮胎
    • JP2012035790A
    • 2012-02-23
    • JP2010178799
    • 2010-08-09
    • Bridgestone Corp株式会社ブリヂストン
    • HAYASHI SHINTARO
    • B60C9/20B60C9/22
    • PROBLEM TO BE SOLVED: To provide a pneumatic tire which enhances the durability performance.SOLUTION: The pneumatic tire includes: a carcass 3 which extends toroidally between a pair of bead parts, and is composed of at least a piece of carcass ply; an inclined belt layer 4 of at least a layer which is arranged on the peripheral side of a crown region of the carcass 3, and extends a cord to incline to a circumferential direction of a tread; a circumferential belt layer 5 of at least a layer which is arranged on the peripheral side of the inclined belt layer 4, and extends a steel cord to the circumferential direction of the tread; and tread rubber 6 which is arranged on the peripheral side of the circumferential belt layer 5, and forms a tread grounding face. The steel cord of the circumferential belt layer 5 is formed by intertwining a plurality of steel filaments, and when a line diameter of the steel filament at an edge of the circumferential belt layer 5 in a crosswise direction of the tread is Ds and a line diameter of the steel filament at a center part of the circumferential belt layer in the crosswise direction of the tread is Dc, Ds is smaller than Dc.
    • 要解决的问题:提供一种提高耐久性能的充气轮胎。 解决方案:充气轮胎包括:胎体3,其环状地延伸在一对胎圈部之间,并且由至少一块胎体帘布层构成; 布置在胎体3的胎冠区域的周边的至少一层的倾斜带束层4,并且使帘线沿胎面的圆周方向倾斜; 设置在倾斜带束层4的周边的至少一层的周向带束层5,沿着胎面的圆周方向延伸钢丝绳; 以及布置在周向带束层5的周向侧上的胎面橡胶6,并形成胎面接地面。 周向带束层5的钢丝帘线通过缠绕多条钢丝而形成,当在圆周带束层5的胎面横向上的边缘处的钢丝线的直径为Ds,线径 在圆周带束层的胎面横向方向的中心部分的钢丝是Dc,Ds小于Dc。 版权所有(C)2012,JPO&INPIT
    • 5. 发明专利
    • Pneumatic tire
    • 气动轮胎
    • JP2011162166A
    • 2011-08-25
    • JP2010030588
    • 2010-02-15
    • Bridgestone Corp株式会社ブリヂストン
    • HAYASHI SHINTARO
    • B60C9/22B60C9/18B60C9/20
    • B60C9/2204B60C9/0064B60C9/2006B60C9/2009B60C9/28B60C2009/2077B60C2009/2087B60C2009/2257B60C2009/2266B60C2009/2285
    • PROBLEM TO BE SOLVED: To provide a pneumatic tire capable of reducing weight and fuel consumption while securing durability. SOLUTION: This pneumatic tire includes an inclined steel belt layer 3 of one layer arranged on the outer peripheral side of a crown part of a carcass 2 with the carcass 2 as a skeleton so as to extend in a toroidal shape by straddling between a pair of bead cores 1 respectively embedded in a pair of left-right bead parts and arranging a plurality of cords slantingly extending in the tire circumferential direction and a circumferential directional belt layer 4 of one layer arranged on the outer peripheral side of the inclined steel belt layer 3 and substantially arranging a plurality of cords in parallel to the tire circumferential direction. The cords 5 of the inclined steel belt layer 3 are juxtaposed in the belt width direction with a bundle of arranging a plurality of steel filaments as a unit, and the cords 6 of the circumferential directional belt layer 4 are juxtaposed in the belt width direction by intertwisting a plurality of filaments. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种能够在确保耐用性的同时减轻重量和燃料消耗的充气轮胎。 解决方案:该充​​气轮胎包括设置在胎体2的胎冠部分的外周侧上的一层的倾斜钢带束层3,胎体2作为骨架,从而通过跨越 一对胎圈芯1,其分别嵌入一对左右的胎圈部,并配置多个在轮胎周向上倾斜延伸的帘线;以及布置在倾斜钢的外周侧的一层的周向定向带层4 带束层3,并且平行于轮胎周向大致布置多根帘线。 倾斜钢带束层3的帘线5在带宽方向上并列配置有多根钢丝作为一个单元,并且周向定向带束层4的帘线6沿带宽方向并列, 交织多根细丝。 版权所有(C)2011,JPO&INPIT
    • 6. 发明专利
    • Supporting body and pneumatic run flat tire
    • 支撑身体和气动跑步平面轮胎
    • JP2008080817A
    • 2008-04-10
    • JP2006259563
    • 2006-09-25
    • Bridgestone Corp株式会社ブリヂストン
    • HAYASHI SHINTARO
    • B60C17/06B60B21/12
    • PROBLEM TO BE SOLVED: To provide a supporting body and a pneumatic run flat tire having excellent balance, excellent preserving consistency of a lubricant, and excellent handling properties of the supporting body while rim assembling work is simple, without increasing the weight and the cost.
      SOLUTION: In the supporting body and the pneumatic run flat tire having the supporting body, the supporting body 12 is annular in shape, and arranged inside a pneumatic tire 14 and assembled to the rim 16 together with the pneumatic tire 14 to support the load in a run flat running mode, and preferably has two or more projecting parts (two projecting parts 26A, 26B in the figure 1) which are projected outwardly in the radial direction, and one or more recessed parts (one recessed part 26C in Fig. 1) which are projected inwardly in the radial direction. A film 32 is arranged on the outer side of the outer circumferential surface (preferably, on the outer side in the radial direction of the recessed part 26C). A sealed area is formed between the outer circumferential surface and the film 32 (preferably, on the outer side in the radial direction of the recessed part 26C), and a lubricant 30 is sealed in the sealed area.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种具有优异平衡性,优异的润滑剂保存一致性和支撑体的优异操作性的支撑体和气动扁平轮胎,而轮辋组装工作简单,而不增加重量和 成本。 解决方案:在具有支撑体的支撑体和气动扁平轮胎中,支撑体12形状为环形,并配置在充气轮胎14的内部,并与充气轮胎14一起组装到轮辋16上以支撑 并且优选具有沿径向向外突出的两个以上的突出部(图1中的两个突出部26A,26B)和一个以上的凹部(一个凹部26C in 图1)沿径向向内突出。 在外周面的外侧(优选地,在凹部26C的径向的外侧)上配置有膜32。 在外周面与膜32(优选在凹部26C的径向外侧)上形成密封区域,在密封区域密封润滑剂30。 版权所有(C)2008,JPO&INPIT
    • 8. 发明专利
    • Pneumatic radial tire
    • 气动辐射轮胎
    • JP2012201126A
    • 2012-10-22
    • JP2011064659
    • 2011-03-23
    • Bridgestone Corp株式会社ブリヂストン
    • HAYASHI SHINTARO
    • B60C9/18
    • PROBLEM TO BE SOLVED: To solve the following problems of a conventional pneumatic radial tire including an inclined steel belt layer and a circumferential belt layer positioned on the outer peripheral side of the inclined steel belt layer: when a vehicle with the tire travels at a high speed by a person standing on a road, pass-by noise is generated.SOLUTION: This tire includes: a radial carcass 11 formed of one or more pieces of carcass ply; an inclined belt layer 17; and at least one circumferential belt layer 18. The cross directional dimension of the inclined belt layer 17 is set in a range of 100-120% of a wheel tread width of tread rubbers, which are laminated on the outer peripheral side of the circumferential belt layer 18 to form a wheel tread 13a. The thickness of the rubber between codes as the thickness of the rubber from a cord of the radial carcass 11 to a cord of the inclined belt layer 17 is formed larger in a central part thereof in the cross direction of the wheel tread 13a than other parts thereof except the central part.
    • 解决的问题:为了解决现有的具有位于倾斜钢带束层的外周侧的倾斜钢带层和周向带束层的充气子午线轮胎的以下问题:当具有轮胎的车辆行驶时 站立在路上的人高速地产生了通过噪音。 解决方案:该轮胎包括:由一个或多个胎体帘布层形成的径向胎体11; 倾斜带层17; 和至少一个圆周带束层18.倾斜带束层17的横向尺寸设定在胎面橡胶的轮胎胎面宽度的100-120%的范围内,胎面橡胶层压在周向带的外周侧 层18以形成轮胎胎面13a。 作为从径向胎体11的绳索到倾斜带束层17的绳索的橡胶的厚度,橡胶的厚度在其轮胎胎面13a的横向上的中心部分比其他部分 除中央部分外。 版权所有(C)2013,JPO&INPIT
    • 9. 发明专利
    • Pneumatic tire
    • 气动轮胎
    • JP2012030650A
    • 2012-02-16
    • JP2010170681
    • 2010-07-29
    • Bridgestone Corp株式会社ブリヂストン
    • HAYASHI SHINTARO
    • B60C9/18B60C9/22
    • PROBLEM TO BE SOLVED: To provide a pneumatic tire securing sufficient high-speed durability and steering stability without increasing tire weight.SOLUTION: This pneumatic tire includes two peripheral direction belt layers having a plurality of cords extending along a tire equatorial plane and coated with rubber, and a tread in this order at the radially outside of a crown part of a carcass toroidally stretching between a pair of bead parts. A fiber reinforcing layer is disposed between the two peripheral direction belt layers. The fiber reinforcing layer is a rubber-filament fiber composite body with thickness of 0.05-1.6 mm including filament fibers and rubber components having diameters or maximum diameters of 0.0001-0.1 mm and lengths of ≥8 mm.
    • 要解决的问题:提供一种确保足够的高速耐久性和操纵稳定性而不增加轮胎重量的充气轮胎。 解决方案:该充​​气轮胎包括两个圆周方向带层,其具有多个沿着轮胎赤道平面延伸并且涂覆有橡胶的帘线,并且在胎体的胎冠部的径向外侧依次铺设胎面, 一对珠子零件。 纤维增强层设置在两个周向带束层之间。 纤维增强层是厚度为0.05-1.6mm的橡胶丝纤维复合体,其包括直径或最大直径为0.0001-0.1mm且长度≥8mm的长丝纤维和橡胶组分。 版权所有(C)2012,JPO&INPIT
    • 10. 发明专利
    • Pneumatic radial tire
    • 气动辐射轮胎
    • JP2011152862A
    • 2011-08-11
    • JP2010015892
    • 2010-01-27
    • Bridgestone Corp株式会社ブリヂストン
    • HAYASHI SHINTARO
    • B60C9/20B60C9/00B60C9/18B60C9/22
    • PROBLEM TO BE SOLVED: To provide a lightweight and fuel consumption-saving pneumatic radial tire which is superior in durability in cornering, and makes both compatible in high speed durability and manufacturability.
      SOLUTION: This pneumatic radial tire includes a carcass composed of at least one ply of a cord extending at an angle of substantially forming 90° to the tire circumferential direction, an inclined steel belt layer of one layer arranged on the outer peripheral side of its crown part and arranging a plurality of cords slantingly extending to the tire circumferential direction, and a circumferential directional steel belt layer of at least one layer arranged on its outer peripheral side and arranging a plurality of cords in substantially parallel to the tire circumferential direction. The cord 20 of the circumferential directional steel belt layer is formed by intertwisting a plurality of steel filaments 21 having a tensile strength of 2,700 N/mm
      2 or more, and a cross-sectional shape of the cord when viewed from a cross section in the tire width direction, presents a C-shape having an opening part 22 in part between the steel filaments.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种在转弯时的耐久性优异的轻量且节省燃料的充气子午线轮胎,并且兼具高速耐久性和可制造性。 < P>解决方案:该充​​气子午线轮胎包括由基本上形成与轮胎周向成90°的角度的帘线的至少一层构成的胎体,设置在外周侧的一层的倾斜钢带层 并且设置多个沿着轮胎周向倾斜延伸的绳索,以及设置在其外周侧的至少一层的圆周方向钢带束层,并且布置大致平行于轮胎周向的多根帘线 。 圆周方向钢带层层的帘线20是通过将多根钢丝21的拉伸强度为2,700N / mm 2以上的钢丝21和/或以上的钢丝的横截面形状 从轮胎宽度方向的横截面观察,在钢丝之间呈部分地具有开口部22的C形。 版权所有(C)2011,JPO&INPIT