DISPOSITIF ANTI BRUIT NERVURÉ POUR PNEU
    1.
    发明公开
    DISPOSITIF ANTI BRUIT NERVURÉ POUR PNEU 有权
    翅片噪声设备轮胎

    公开(公告)号:EP3094504A1

    公开(公告)日:2016-11-23

    申请号:EP15701684.1

    申请日:2015-01-09

    IPC分类号: B60C11/04

    摘要: The invention relates to a tyre tread comprising at least one groove (1), said groove being delimited by two opposing walls (11, 12) connected to one another by a groove bottom (13), said groove having a width and a depth, said groove (1) comprising at least one device for preventing resonance noise, said device being formed by at least one strip (3) of flexible rubber attached to one of the walls (11, 12) delimiting the groove or on the bottom thereof (13) and at least partially closing the section of the groove, each flexible strip (3) comprising two main walls (31, 32) closing the section of the groove, end walls (30) delimiting said main walls and a linking wall with the tread, said device being such that each flexible strip (3) also comprises at least one raised rib (4) on at least one of the main walls (31, 32) thereof, said raised rib (4) starting on the wall or the bottom supporting the flexible strip and extending over at least 50% of the length of the flexible strip, said length being measured, in a direction perpendicular to the wall supporting said flexible strip, between two end walls.

    PNEUMATIQUE COMPORTANT UNE BANDE DE ROULEMENT PERFECTIONNEE
    3.
    发明公开
    PNEUMATIQUE COMPORTANT UNE BANDE DE ROULEMENT PERFECTIONNEE 审中-公开
    REIFEN MIT EINEM VERBESSERTEN PROFIL

    公开(公告)号:EP3041691A1

    公开(公告)日:2016-07-13

    申请号:EP14752832.7

    申请日:2014-08-14

    IPC分类号: B60C11/03 B60C11/00

    摘要: The invention relates to a tyre comprising a tread that comprises at least one central rib (411-413) and two side ribs (421-422) separated by circumferential grooves (141-144), wherein a first side rib (421), adjacent to the outer axial edge of the tread and at least one (and preferably each) of the central ribs comprise a first portion (4211, 4111, 4121, 4131) of which the axial width exceeds 20% of the axial width of the rib in question made from a rubber composition comprising an elastomer and a reinforcing filler, the majority of which consists of carbon black, and a second, axially adjacent portion (4212, 4112, 4122, 4132), made from a rubber composition comprising an elastomer and a reinforcing filler, the minority of which consists of carbon black, wherein the rubber compositions making up the second portion of the first side rib and the second portion of the central rib all have a value tan 00 that is lower than the value tan 00 of the rubber compositions forming the first portion of the first side rib and the first portion of the central rib, the values tan 00 being measured at a temperature of 0°C and under a stress of 0.7 MPa, wherein the first portion of the central rib extends axially from the outer border of the central rib, the axial width LPC of that portion being, over the entire radial depth of the central rib, greater than or equal to 20% of the axial width LC of the central rib, and wherein the second portion of the central rib is axially adjacent to the first portion of the central rib.

    摘要翻译: 轮胎胎面具有由周向槽(141-144)分隔的中央肋(411-413)和两个横向肋(421-422)。 与胎面的外轴向边缘相邻的第一横向肋(421)和中央肋具有其轴向宽度超过相关肋的轴向宽度的20%的第一部分(4211,4111,4121,4131) 从包含弹性体的第一橡胶组合物和主要由炭黑组成的增强填料和由含有弹性体和增强填料的第二橡胶组合物制成的轴向相邻的第二部分(4212,41212,4122,4132) 由炭黑组成。 第二橡胶组合物的tan d0值小于第一橡胶组合物的tan d0值,tan d0值在0℃的温度和0.7MPa的应力下测量。

    TYRE WITH IMPROVED BEADS.
    6.
    发明公开
    TYRE WITH IMPROVED BEADS. 有权
    带有改进的小珠的轮胎。

    公开(公告)号:EP2670610A1

    公开(公告)日:2013-12-11

    申请号:EP12708732.8

    申请日:2012-01-26

    IPC分类号: B60C15/06

    摘要: Tyre (10) comprising a carcass reinforcement (60) and two beads (50), each comprising at least one annular reinforcing structure (70), a bead filler (120) and an outer strip (130) made from a rubber composition having an elastic modulus G' of less than or equal to 15 MPa and a viscous modulus G" such that G" [MPa]

    摘要翻译: 包括胎体增强件60和两个胎圈50的轮胎10,每个胎圈包括至少一个环形增强结构70,胎圈填料120和由橡胶组合物制成的外部条带130, 小于或等于15MPa的弹性模量G'和使得G“[MPa] <0.2·G'[MPa] -0.2MPa的粘性模量G”,其中所述胎圈填胶的厚度E(r)垂直于 具有胎圈填料的胎体增强件,r表示与环形增强结构的径向最内点的距离,其中由胎圈填料和外条形成的组件具有厚度ET(r),其中厚度ET(r) 改变,使得在包括轮胎高度H的25%和45%之间的距离r的范围内,在高度H的至少4%的范围内,厚度变化小于或等于-0.25mm / mm,其中 对于距离r大于高度H的10%且小于35%的所有点,比率E(r)/ ET(r)i s大于0.3且小于或等于0.5,其中在任何径向截面中,所述胎圈填胶具有面积S1的横截面并且所述外条具有面积S2的横截面,所述比S1 /(S1 + S2)更大 并且其中所述环形增强结构具有最大轴向宽度DE,使得[公式应插入]的比率是所述厚度ET(r)的最大值,小于10%。

    PNEUMATIQUE COMPORTANT UNE BANDE DE ROULEMENT PERFECTIONNEE
    7.
    发明公开
    PNEUMATIQUE COMPORTANT UNE BANDE DE ROULEMENT PERFECTIONNEE 审中-公开
    PNEUMATIQUE COMPEANT UNE BANDE DE ROULEMENT PERFECTIONNEE

    公开(公告)号:EP3007911A1

    公开(公告)日:2016-04-20

    申请号:EP14729881.4

    申请日:2014-06-05

    IPC分类号: B60C11/00

    摘要: The invention relates to a tyre having a predetermined mounting direction on the vehicle, comprising a tread (40) comprising at least one central rib (411-413) and two side ribs (421, 422), separated by circumferential slots (141-144), in which the side ribs are made from a first rubber composition filled with at least 50% carbon black and at least one of the two central ribs comprises a portion (4111, 4121) made from a second rubber composition filled with more than 50% carbon black, the axial width (LP) of said portion being greater than or equal to 20% of the axial width (LC) of the central rib in question; wherein the first rubber composition has a tan delta value (tan delta is measured at 0°C and 0.7 MPa) that is below the tan delta value of said at least one second rubber composition.

    摘要翻译: 本发明涉及一种在车辆上具有预定安装方向的轮胎,包括胎面(40),所述胎面(40)包括至少一个中央肋(411-413)和两个侧肋(421,422),所述侧肋由圆周槽(141-144 ),其中侧肋由填充有至少50%炭黑的第一橡胶组合物制成,并且两个中央肋中的至少一个包括由填充有大于50的第二橡胶组合物制成的部分(4111,4121) %炭黑,所述部分的轴向宽度(LP)大于或等于所述中心肋的轴向宽度(LC)的20%; 其中所述第一橡胶组合物具有低于所述至少一种第二橡胶组合物的损耗角正切值的损耗角正切值(tanδ在0℃和0.7MPa下测量)。