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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
CPC分类号： B60C11/1353 , B60C11/042 , B60C11/1307 , B60C2011/1338 , B60C2011/1361
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.
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公开(公告)号：EP2879889B1
公开(公告)日：2016-06-15
申请号：EP13756328.4
申请日：2013-07-25
发明人： BOURGEOIS, Frédéric
IPC分类号： B60C15/06 , B60C15/024
CPC分类号： B60C15/0628 , B60C15/0242 , B60C15/06 , B60C15/0603 , B60C15/0653 , B60C2015/061 , B60C2015/0621 , B60C2015/0639 , B60C2015/0657 , B60C2015/0678
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公开(公告)号：EP2785539B1
公开(公告)日：2016-03-02
申请号：EP12791774.8
申请日：2012-11-28
IPC分类号： B60C15/06
CPC分类号： B60C15/0628 , B60C1/0025 , B60C15/06 , B60C2015/009 , B60C2015/061 , B60C2015/0621 , B60C2015/065 , B60C2015/0678 , B60C2015/0682
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公开(公告)号：EP2507078B1
公开(公告)日：2013-11-13
申请号：EP10788287.0
申请日：2010-11-29
发明人： BOURGEOIS, Frédéric
CPC分类号： B60C15/06 , B60C15/0009 , B60C15/0054 , B60C15/0603 , B60C15/0628 , B60C2015/009 , B60C2015/061 , B60C2015/0639 , B60C2015/0646 , B60C2015/065 , B60C2015/0657 , B60C2015/0675 , B60C2015/0692 , Y10T152/10828 , Y10T152/10837 , Y10T152/10864
摘要： Tire having two beads having an annular reinforcing structure and a carcass reinforcement anchored in the two beads by a turn-up. Each bead has a bead rubber filler extending a radial distance from the radially innermost point of the annular reinforcing structure of the bead. The radial distance is not more than 10% of the tire's radial height. A sidewall has rigidifying metal reinforcing elements oriented along an angle not more than 10° to the circumferential direction and positioned with the distance between the radially innermost point of the annular reinforcing structure and the radially outer end of the rigidifying reinforcement between 20% and 40%, inclusive, of the tire's radial height and with the distance between the radially innermost point of the annular reinforcing structure and the radially inner end of the rigidifying reinforcement not more than 20% of the tire's radial height.
摘要翻译： 轮胎包括两个胎圈（20），每个胎圈包括至少一个环形加强结构（70）和通过翻转固定在两个胎圈中的胎体增强件（60），其中每个胎圈包括由橡胶制成的胎圈填料（110） 胎圈填料从胎圈的环形加强结构的径向最内点径向延伸到径向距离DBE，径向距离DBE小于或等于轮胎径向高度H的10％，至少 轮胎的一个侧壁还包括由相对于圆周方向小于或等于10度的角度定向的多个金属加强元件（145,146,147）形成的刚性加固件（140），该刚性化钢筋被定位 使得环形增强结构的径向最内点（71）与刚性钢筋的径向外端（142）之间的距离DAE大于或等于20％ 高于或等于高度H的40％，并且使得环形增强结构的径向最内点（71）与刚性化钢筋的径向内端（141）之间的距离DAI小于或等于 高度H.
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公开(公告)号：EP2900487B1
公开(公告)日：2017-02-22
申请号：EP13766530.3
申请日：2013-09-25
CPC分类号： B60C11/1307 , B60C11/0309 , B60C19/002 , B60C2011/1338
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6.发明公开
公开(公告)号：EP3071427A1
公开(公告)日：2016-09-28
申请号：EP14796012.4
申请日：2014-10-31
CPC分类号： B60C19/002 , B60C11/13 , B60C11/1307 , B60C2011/1338
摘要： Tread for a tyre, having a tread surface (10) and comprising at least one groove (2) of width W and depth P delimited by two opposing lateral walls (21, 22) and by a groove bottom (20), at least one groove (2) having a plurality of closure devices composed of a flexible blade (3) for closing this groove in a rest position at a degree of closure at least equal to 90%, each flexible blade (3) being integral with the lateral walls delimiting the groove and also with the bottom of this groove and having appropriate dimensions to be able to deform, under the action of a flow of liquid, in the groove, thereby reducing its degree of closure to at most 40%.
摘要翻译： 本文公开了一种用于轮胎的胎面，其中胎面提供对共振噪声降低装置的改进，并且同时寻求获得形成凹槽封闭装置的柔性刀片的容易的模制和脱模，并完全关闭 形成这些柔性叶片的每个凹槽的横截面。
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公开(公告)号：EP2849956A1
公开(公告)日：2015-03-25
申请号：EP13723090.0
申请日：2013-05-13
IPC分类号： B60C11/03
CPC分类号： B60C11/1307 , B60C11/0309 , B60C2011/1338
摘要： The invention relates to a tread comprising at least one groove (1) defined by two walls (20, 30) facing each other, said walls being interconnected by the bottom (10) of a groove, said groove (1) comprising a plurality of closing devices, each closing device consisting of at least one flexible blade (4, 4') of a thickness E suitable for allowing the bending of said blade under the effect of the circulation of a liquid in the groove, said at least one flexible blade being secured to a wall (20, 30) defining the groove (1), each flexible blade being defined by a bottom wall (40, 40') facing the bottom of the groove, an end wall (41) facing the other wall of the groove, and a contact wall (42, 42') that is to come into contact with the roadway and side walls (43, 44, 43', 44') that are interspaced by a distance equal to the thickness E of the blade, the bottom wall (40, 40') of each flexible blade comprising a notch (401, 401') arranged in the vicinity of the wall to which the blade (4, 4') is attached. Said tread is characterised in that each flexible blade is connected to one of the walls defining the groove inside a recess (21, 31) formed on the wall carrying said blade, each recess (21, 31) having a depth that can contain a total of one notch (401, 401').
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公开(公告)号：EP2788205A1
公开(公告)日：2014-10-15
申请号：EP12795782.7
申请日：2012-11-27
CPC分类号： B60C11/1392 , B60C11/0302 , B60C11/0304 , B60C11/0306 , B60C11/0332 , B60C11/11 , B60C11/12 , B60C11/1384
摘要： Tread comprising a plurality of grooves (2) running in a circumferential overall direction and delimiting the plurality of raised elements (4), this tread also comprising a plurality of cuts (3) in the form of grooves and/or sipes running transversally, each raised element (4) comprising a contact face (40) intended to come into contact with the road surface and lateral faces intersecting this contact face along edge corners intended to come into contact with a road surface during running, this tread comprising chamfers (410, 420) on at least a plurality of transverse edge corners of the raised elements (4), this tread when rolling in a straight line having a total contact surface area S comprising a portion Sc in which all the transverse edge corners are chamfered and a portion Snc in which all the transverse edge corners are non-chamfered, this tread having under cornering corresponding to a transverse acceleration equal to 0.3g (g being the acceleration due to gravity) a contact patch of total surface area S* formed of a portion Sc* comprising chamfers on all the transverse edge corners of its raised elements and a portion Snc* with no chamfers, this tread being such that the ratio Snc/Sc is at most equal to 2% and such that the ratio Snc*/Sc* is at least equal to 0%.
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公开(公告)号：EP2675635A1
公开(公告)日：2013-12-25
申请号：EP12705649.7
申请日：2012-02-16
CPC分类号： B60C15/0603 , B60C15/0027 , B60C15/06 , B60C15/0607 , B60C2015/009 , B60C2015/0621
摘要： Tyre(10) comprising two beads (50) comprising an annular reinforcing structure (70) and a carcass reinforcement (60) which is anchored in the two beads so as to form a main portion (62) and a wrapped-around portion (63), each wrapped-around portion extending radially outwards as far as an end (64) situated at a radial distance DEC that is less than or equal to 10% of the radial height H of the tyre; each bead comprising an apex (120) made of a rubber composition having an elastic modulus greater than 40MPa, extending radially as far as a radial distance DEE1 comprised between 10% and 15% of the height H; each bead further comprising an outer strip (130) made of a rubber composition that has an elastic modulus G' less than or equal to 15 MPa and a viscous modulus G'' such that: G'' [MPa] = 0.2 · G' [MPa] -0.2 MPa, extending at least between 20% and 25% of the height H, the apex having an axial thickness E(r) that is substantially a linear function of r, r denoting the distance with respect to the radially innermost point of the annular structure, wherein the entity formed by the apex and the outer strip has a thickness ET(r) such that, in the range of distances r comprised between 25 and 45% of the height H of the tyre, the variation in thickness (I) is negative and has an absolute value that is greater than or equal to 0.25 mm/mm over at least 4% of the height H; and wherein the said annular structure has a maximum axial width DE such that the ratio (II), where ET(r)max is the maximum value of the thickness ET(r), is less than 10%.
摘要翻译： 包括两个包括环形加强结构（70）和胎体增强件（60）的胎圈（10）的轮胎（10），胎体增强件锚定在两个胎圈中以形成主要部分（62）和缠绕部分 ），每个缠绕部分径向向外延伸直至以小于或等于轮胎的径向高度H的10％的径向距离DEC定位的端部（64）; 每个胎圈包括由弹性模量大于40MPa的橡胶组合物制成的顶点（120），径向延伸直至高度H的10％和15％之间的径向距离DEE1; 每个胎圈进一步包括由具有小于或等于15MPa的弹性模量G'和如下粘性模量G“的橡胶组合物制成的外部条带（130）：G”[MPa] = 0.2·G' [MPa] -0.2MPa，延伸高度H的至少20％和25％之间，所述顶端具有基本上是r的线性函数的轴向厚度E（r），r表示相对于径向最内侧 其中由顶点和外条形成的实体具有厚度ET（r），使得在包括轮胎高度H的25％和45％之间的距离r的范围内， 厚度（I）为负值且在高度H的至少4％处具有大于或等于0.25mm / mm的绝对值; 并且其中所述环形结构具有最大轴向宽度DE，使得其中ET（r）max是厚度ET（r）的最大值的比率（II）小于10％。
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公开(公告)号：EP2651663A1
公开(公告)日：2013-10-23
申请号：EP11794155.9
申请日：2011-12-09
CPC分类号： B60C15/06
摘要： Tyre comprising two beads (20) comprising an annular reinforcing structure (70) and a carcass reinforcement (60) which is anchored in the two beads by being wrapped around the annular reinforcing structure so as to form, in each bead, a main portion (62) and a wrapped-around portion (63), in which each bead comprises a bead filler (110) situated between the main portion and the wrapped-around portion of the carcass reinforcement, and an outer strip (120) positioned axially on the outside of the carcass reinforcement and of the bead filler, the bead filler (110) and the outer strip (120) being made of a rubber compound that has an elastic modulus G' less than or equal to 15 MPa and a viscous modulus G" such that: G" [MPa] ≤ 0.2 ⋅ G' [MPa] - 0.2 MPa, the elastic and viscous moduli being measured at 23° C; in which the entity formed by the bead filler (110) and the outer strip (120) has a thickness E(r), the thickness E(r) changes as a function of the distance r such that, in the range of distances r comprised between 25 and 45% of the height H of the tyre, the variation in thickness (X) is less than or equal to - 0.25 mm/mm over at least 4% of the height H of the tyre, and in which the annular reinforcing structure has a maximum axial width DE such that the ratio (Y), where E(r)
max is the maximum value of the thickness E(r), is less than or equal to 10%.摘要翻译： 轮胎包括两个胎圈（20），胎圈（20）包括环形加强结构（70）和胎体增强件（60），胎体增强件通过围绕环形增强结构缠绕而锚定在两个胎圈中，以便在每个胎圈中形成主要部分 其中每个胎圈包括位于主体部分和胎体增强件的缠绕部分之间的胎圈填充物（110）;以及外带（120），所述外带（120）沿轴向定位在胎体增强件的缠绕部分 在胎体增强件和胎圈填充物之外，胎圈填充物（110）和外部条带（120）由弹性模量G'小于或等于15MPa和粘性模量G“ 使得：G“[MPa]≤0.2×G'[MPa] - 0.2MPa，弹性模量和粘性模量在23℃下测量; 其中由胎圈填充物（110）和外部条带（120）形成的实体具有厚度E（r），厚度E（r）作为距离r的函数而变化，使得在距离r 包括在轮胎高度H的25％和45％之间，在轮胎高度H的至少4％上，厚度（X）的变化小于或等于-0.25mm / mm，并且其中环形 加强结构具有最大轴向宽度DE，使得其中E（r）max是厚度E（r）的最大值的比率（Y）小于或等于10％。
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