RUN-FLAT TIRE
    91.
    发明申请
    RUN-FLAT TIRE 审中-公开
    跑平轮胎

    公开(公告)号:US20120145299A1

    公开(公告)日:2012-06-14

    申请号:US13391209

    申请日:2010-07-21

    Abstract: Disclosed is a run-flat tire having greatly increased run-flat endurance. The disclosed run-flat tire is provided with: a carcass (6) extending from a tread section (2) through a sidewall portion (3) to a bead core (5) of a bead portion (4); and a side-reinforcement rubber layer (9) that has a crescent-shaped cross-section and is disposed inside the carcass (6) in the sidewall portion (3). A heat-conducting rubber (11) having a coefficient of thermal conductivity of not less than 0.3 W/(m·K) is disposed on the inner cavity surface (12) of the tire. At least part of said heat-conducting rubber (11) is disposed in a side-reinforcement rubber layer projection area (T) where the side-reinforcement rubber layer (9) is projected onto the inner cavity surface (12) of the tire.

    Abstract translation: 公开了一种具有大大增加耐久性的耐疲劳轮胎。 所公开的漏气保用轮胎设置有:从胎面部分(2)穿过胎侧部分(3)延伸到胎圈部分(4)的胎圈芯(5)的胎体(6); 以及具有月牙形截面且设置在侧壁部(3)内的胎体(6)内侧的侧面增强橡胶层(9)。 在轮胎的内腔面(12)上配置导热系数为0.3W /(m·K以上)的导热橡胶(11)。 所述导热橡胶(11)的至少一部分设置在侧面增强橡胶层投影区域(T)中,侧面增强橡胶层(9)突出到轮胎的内腔表面(12)上。

    PNEUMATIC TIRE FOR HEAVY LOAD
    92.
    发明申请
    PNEUMATIC TIRE FOR HEAVY LOAD 有权
    用于重载的气动轮胎

    公开(公告)号:US20120103497A1

    公开(公告)日:2012-05-03

    申请号:US13320580

    申请日:2010-05-18

    Abstract: In a pneumatic tire for heavy load in which a rubber chafer 8 is disposed at least in a part brought into contact with a rim in a bead part 1, the rubber chafer uses a rubber composition which comprises 45 to 55 parts by mass of butadiene base rubbers containing 10 to 30 parts by mass of a syndiotactic 1,2-structure-containing polybutadiene rubber and 45 to 55 parts by mass of a natural rubber as a rubber component and more than 50 parts by mass and less than 60 parts by mass of carbon black having DBP of 85 to 115 ml/100 g and a specific surface area by nitrogen adsorption (N2SA) of 50 to 100 m2/g based on 100 parts by mass of the rubber component.

    Abstract translation: 在用于重载荷的充气轮胎中,橡胶胎圈包布8至少设置在与胎圈部1中的轮辋接触的部分中,橡胶胎圈包布使用橡胶组合物,其包含45至55质量份的丁二烯基 含有10〜30质量份的含间同立构的1,2-结构的聚丁二烯橡胶的橡胶和45〜55质量份作为橡胶成分的天然橡胶,50质量份以上且小于60质量份的 DBP为85〜115ml / 100g,炭黑的比表面积为50〜100m 2 / g,通过氮吸附比(N2SA)为100质量份。

    Rubber composition for tire
    94.
    发明授权
    Rubber composition for tire 有权
    轮胎橡胶组合物

    公开(公告)号:US08110627B2

    公开(公告)日:2012-02-07

    申请号:US12501843

    申请日:2009-07-13

    Inventor: Tatsuya Miyazaki

    Abstract: A rubber composition for a tire superior in low heat build-up (tan δ) and superior in fracture strength is provided. A rubber composition for a tire comprising (B) 5 to 80 parts by mass of silica based on 100 parts by mass of (A) including (a) 10 to 60% by mass of a butadiene rubber including 2.5 to 20% by mass of 1,2-syndiotactic polybutadiene crystals, (b) 5 to 60% by mass of a modified diene rubber and (c) 20 to 75% by mass of a diene rubber other than (a) and (b).

    Abstract translation: 提供了一种低发热性(tanδ)优异且断裂强度优异的轮胎用橡胶组合物。 一种轮胎用橡胶组合物,其特征在于,含有(B)5〜80质量份的二氧化硅,相对于(A)100质量份,(A)10质量%〜60质量%的丁二烯橡胶,其含有2.5〜20质量% 1,2-间同立构聚丁二烯结晶,(b)5〜60质量%的改性二烯系橡胶和(c)20〜75质量%的除(a)和(b)以外的二烯橡胶。

    TIRE HAVING GUM STRIP AND CHAFER
    96.
    发明申请
    TIRE HAVING GUM STRIP AND CHAFER 有权
    有轮胎和轮胎的轮胎

    公开(公告)号:US20110186202A1

    公开(公告)日:2011-08-04

    申请号:US12700051

    申请日:2010-02-04

    Abstract: A tire having a circumferential tread, at least one belt, an inner liner, a pair of sidewalls, at least one carcass ply, and a pair of bead portions. The pair of bead portions each further includes a bead core, a bead filler having an upper end, a chaffer, and a gum strip. The chaffer extends axially outward from the inner liner towards the sidewall and curves radially upward along an axially outer portion of the bead core. The sidewall gum strip extends radially upward from a curved portion of the chaffer, wherein the sidewall gumstrip is located axially between the at least one carcass ply turn-up end and a sidewall.

    Abstract translation: 具有圆周胎面,至少一个带,内衬,一对侧壁,至少一个胎体帘布层和一对胎圈部分的轮胎。 所述一对胎圈部分还包括胎圈芯,具有上端的胎圈填料,砂砾和胶条。 锯齿从内衬筒朝向侧壁轴向向外延伸并且沿着胎圈芯的轴向外部部分径向向上弯曲。 所述侧壁胶条从所述气桐的弯曲部分径向向上延伸,其中所述侧壁胶条轴向位于所述至少一个胎体帘布层上翻端和侧壁之间。

    HEAVY-LOAD TIRE
    97.
    发明申请
    HEAVY-LOAD TIRE 有权
    重载轮胎

    公开(公告)号:US20110162775A1

    公开(公告)日:2011-07-07

    申请号:US13047204

    申请日:2011-03-14

    Applicant: Kiyoto MARUOKA

    Inventor: Kiyoto MARUOKA

    Abstract: A heavy-load tire has a wind bead structure in which a turned-up portion of a carcass ply is wound around a bead core, in which a bead portion is equipped with a bead reinforcing layer having a u-shaped cross section and a bead apex rubber having a triangular-shaped cross section. The turned-up portion has an auxiliary turned-up portion passing through the vicinity of a radially outer side of the bead core. The bead apex rubber includes a high elasticity inner apex portion disposed at a radially inner side and a low elasticity outer apex portion disposed at a radially outer side. The inner apex portion has an L-shaped cross section including a bottom piece portion along the radially outer side of the auxiliary turned-up portion, and a raised piece portion which rises at an axially inner end side of the bottom piece portion and extends radially outwardly in a tapering manner along the body portion of the carcass ply.

    Abstract translation: 重负载轮胎具有风胎结构,其中胎体帘布层的折叠部分缠绕在胎圈芯上,胎圈部分配备有具有u形横截面的胎圈加强层和胎圈 三角形橡胶具有三角形横截面。 折回部分具有穿过胎圈芯的径向外侧附近的辅助翻边部分。 胎圈三棱胶包括设置在径向内侧的高弹性内顶点部分和设置在径向外侧的低弹性外顶部部分。 内顶部具有L形截面,其包括沿着辅助翻边部分的径向外侧的底部部分和在底部部分的轴向内端侧上升并且径向延伸的凸起部分 向外沿着胎体帘布层的主体部分以锥形方式向外延伸。

    Rubber Composition for Tire Comprising an Organosiloxane Coupling Agent
    98.
    发明申请
    Rubber Composition for Tire Comprising an Organosiloxane Coupling Agent 有权
    用于包含有机硅氧烷偶联剂的轮胎的橡胶组合物

    公开(公告)号:US20110152458A1

    公开(公告)日:2011-06-23

    申请号:US13038887

    申请日:2011-03-02

    Abstract: A subject-matter of the present invention is a rubber composition intended for the manufacture of tyres or of tyre semi-finished products, based on at least one isoprene elastomer, an inorganic filler as reinforcing filler and a polyfunctional organosiloxane coupling agent capable of providing the bonding between the reinforcing inorganic filler and the isoprene elastomer, comprising per molecule, grafted to its silicon atoms, on the one hand at least one hydroxyl or hydrolysable functional group allowing it to be grafted to the reinforcing inorganic filler and, on the other hand, at least one group bearing at least one azodicarbonyl functional group —CO—N═N—CO— allowing it to be grafted to the isoprene elastomer.

    Abstract translation: 本发明的主题是用于制造轮胎或轮胎半成品的橡胶组合物,其基于至少一种异戊二烯弹性体,作为增强填料的无机填料和能够提供该功能的多官能有机硅氧烷偶联剂 增强无机填料和异戊二烯弹性体之间的键合,一方面包含每分子接枝到其硅原子上的至少一个羟基或可水解官能团,使其能够接枝到增强无机填料上,另一方面, 至少一个带有至少一个偶氮二羰基官能团-CO-N = N-CO-的基团,使其能够接枝到异戊二烯弹性体上。

    PNEUMATIC TIRE
    99.
    发明申请
    PNEUMATIC TIRE 有权
    气动轮胎

    公开(公告)号:US20100243115A1

    公开(公告)日:2010-09-30

    申请号:US12741339

    申请日:2008-08-05

    Applicant: Takao Wada

    Inventor: Takao Wada

    Abstract: Accumulation of static electricity is prevented while enhancing rolling resistance performance of tire. Tread rubber 2G has tread rubber body 15 forming tread ground contact surface 2S, under tread 16 disposed radially inward of the tread rubber body, and terminal portion 17 penetrating the tread rubber body in the radial direction, the under tread 16 being in contact with cushion rubbers 13 each having cushion main portion 13A interposed between edge portion 7E of tread-reinforcing layer 7 and carcass 6 over an overlap width W1 of 1 mm or more. Tread rubber body 15, topping rubber 7G of tread-reinforcing layer 7 and sidewall rubbers 3G are made of an insulating rubber material 20 having a volume resistivity of at least 1×108 Ω·cm, and under tread 16, terminal portion 17, cushion rubber 13, topping rubber 6G of carcass 6 and chafer rubber 11 are made of a conductive rubber material having a volume resistivity of less than 1×108 Ω·cm.

    Abstract translation: 在提高轮胎的滚动阻力性能的同时防止静电积聚。 轮胎橡胶2G具有胎面橡胶体15,其形成胎面接地面2S,在胎面橡胶体径向内侧设置的胎面16下方,胎面橡胶体沿径向穿过胎面橡胶体,下胎面16与衬垫接触 橡胶13各自具有夹持在胎面增强层7的边缘部分7E和胎体6之间的衬垫主体部分13A,其重叠宽度W1为1mm以上。 踏面橡胶体15,胎面增强层7和侧壁橡胶3G的顶部橡胶7G由体积电阻率为至少1×10 8Ω·cm·cm的绝缘橡胶材料20制成,并且在胎面16下端子部分17, 缓冲橡胶13,胎体6和胎圈包布橡胶11的顶部橡胶6G由体积电阻率小于1×10 8Ω·cm·cm的导电橡胶材料制成。

    HEAVY-LOAD TIRE
    100.
    发明申请
    HEAVY-LOAD TIRE 有权
    重载轮胎

    公开(公告)号:US20100230026A1

    公开(公告)日:2010-09-16

    申请号:US12700265

    申请日:2010-02-04

    Inventor: Kazumi YAMAZAKI

    Abstract: A heavy-load tire comprises a tread portion, a pair of sidewall portions, a pair of bead portions each with a bead core therein, a carcass comprising a carcass ply of cords including a main portion extending between the bead cores, and a pair of turnup portions each turned up around the bead core from the axially inside to the outside of the tire, and an inner liner made from air-impermeable rubber and disposed on the tire internal cavity surface, wherein each bead portion includes a bead reinforcing layer with an L-shaped cross section, the bead reinforcing layer comprising an axially outer piece portion disposed along the axially outside the turnup portion and a bottom piece portion integral with the outer piece portion and terminating in a sub-core area between a first radial line extending inwards along the radial direction of the tire from an innermost axial point of the bead core, and a second radial line extending inwards along the radial direction of the tire from an outermost axial point of the bead core, the inner liner includes a radially inner portion that terminates radial inside than a lateral reference line passing through the innermost axial point and outermost axial point of the bead core, a rubber thickness ta is in a range of from 2.5 to 5.0 mm ranging from the tire internal cavity surface to the cord of the carcass ply on the lateral reference line, and an inner liner thickness tb is smaller than the rubber thickness ta and is in a range of from 0.5 to 3.0 mm on the lateral reference line.

    Abstract translation: 重载轮胎包括胎面部分,一对侧壁部分,一对胎圈部分,每个胎圈部分均具有胎圈芯,胎体包括胎体帘布层帘线层,帘线帘布层包括在胎圈芯之间延伸的主要部分,以及一对胎圈 轮胎胎圈部分从轮胎的轴向内侧到外侧都卷绕在胎圈芯上,并且由不透气的橡胶制成并设置在轮胎内部空腔表面上的内衬,其中每个胎圈部分包括胎圈加强层, L形横截面,所述胎圈加强层包括沿所述翻转部分的轴向外侧设置的轴向外部件部分和与所述外部件部分成一体的底部部件,并且终止于向内延伸的第一径向线之间的副芯部区域 沿着胎圈芯的最内侧的轴向方向的轮胎的径向方向,以及沿着轮胎的径向向内延伸的第二径向线, 胎圈芯的轴向点,内衬包括径向内部,该径向内部部分比穿过胎圈芯的最内轴向点和最外侧轴向点的横向参考线径向内侧,橡胶厚度ta在2.5 至轮胎内侧表面之间的距离为5.0mm,侧面基准线上的胎体帘布帘帘线的帘线宽度为5.0mm,内衬层厚度tb小于橡胶厚度ta,并且在侧面上为0.5-3.0mm的范围内 参考线。

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