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    Tire tread having improved rigidity
    1.
    发明授权
    Tire tread having improved rigidity 有权
    轮胎胎面刚度提高

    公开(公告)号：US09174493B2

    公开(公告)日：2015-11-03

    申请号：US13497324

    申请日：2010-09-28

    申请人： Richard Audigier ,  Stéphane Oraison ,  Mathieu Vandaele ,  Gilles Douet

    发明人： Richard Audigier ,  Stéphane Oraison ,  Mathieu Vandaele ,  Gilles Douet

    IPC分类号： B60C11/13 ,  B60C11/04 ,  B60C11/03 ,  B60C11/12

    CPC分类号： B60C11/042 ,  B60C11/0309 ,  B60C11/032 ,  B60C11/0323 ,  B60C11/12 ,  B60C11/1281 ,  B60C11/1307

    摘要： Tire tread having at least two wearing layers, provided with at least one continuous groove having in the as new condition a plurality of external cavities opening onto the tread surface and a plurality of internal cavities placed radially and completely inside the tread surface, such that: the difference between the mean lengths of the internal cavities and of the external cavities is at most equal to 20% of the longest mean length, the difference in the mean cross-sectional areas of the internal and external cavities is at most equal to 20% of the largest mean area, each external cavity of a continuous groove being connected to at least two internal cavities of the same groove and having a plurality of incisions opening onto the tread surface, each connecting two consecutive external cavities of the same groove and at least two connecting channels and at least one internal cavity.

    摘要翻译： 轮胎胎面具有至少两个磨损层，设置有至少一个连续的槽，其具有在新的状态下的多个在胎面表面上开口的外部空腔以及径向和完全放置在胎面表面内部的多个内腔，使得： 内部空腔和外部空腔的平均长度之间的差异最多等于最长平均长度的20％，内部和外部空腔的平均横截面积的差异最多等于20％ 最大平均面积的每个外部空腔连接到相同凹槽的至少两个内部空腔，并且具有通向胎面表面上的多个切口，每个切口连接相同凹槽的两个连续的外部空腔，并且至少 两个连接通道和至少一个内部空腔。

    TIRE TREAD HAVING IMPROVED RIGIDITY
    2.
    发明申请
    TIRE TREAD HAVING IMPROVED RIGIDITY 有权
    轮胎有改善的刚性

    公开(公告)号：US20120227883A1

    公开(公告)日：2012-09-13

    申请号：US13497324

    申请日：2010-09-28

    申请人： Richard Audigier ,  Stéphane Oraison ,  Mathieu Vandaele ,  Gilles Douet

    发明人： Richard Audigier ,  Stéphane Oraison ,  Mathieu Vandaele ,  Gilles Douet

    IPC分类号： B60C11/13

    CPC分类号： B60C11/042 ,  B60C11/0309 ,  B60C11/032 ,  B60C11/0323 ,  B60C11/12 ,  B60C11/1281 ,  B60C11/1307

    摘要： Tire tread having at least two wearing layers, provided with at least one continuous groove having in the as new condition a plurality of external cavities opening onto the tread surface and a plurality of internal cavities placed radially and completely inside the tread surface, such that: the difference between the mean lengths of the internal cavities and of the external cavities is at most equal to 20% of the longest mean length, the difference in the mean cross-sectional areas of the internal and external cavities is at most equal to 20% of the largest mean area, each external cavity of a continuous groove being connected to at least two internal cavities of the same groove and having a plurality of incisions opening onto the tread surface, each connecting two consecutive external cavities of the same groove and at least two connecting channels and at least one internal cavity.

    摘要翻译： 轮胎胎面具有至少两个磨损层，设置有至少一个连续的槽，其具有在新的状态下的多个在胎面表面上开口的外部空腔以及径向和完全放置在胎面表面内部的多个内腔，使得： 内部空腔和外部空腔的平均长度之间的差异最多等于最长平均长度的20％，内部和外部空腔的平均横截面积的差异最多等于20％ 最大平均面积的每个外部空腔连接到相同凹槽的至少两个内部空腔，并且具有通向胎面表面上的多个切口，每个切口连接相同凹槽的两个连续的外部空腔，并且至少 两个连接通道和至少一个内部空腔。

    TREAD PROTECTION DEVICE
    6.
    发明申请
    TREAD PROTECTION DEVICE 有权
    TREAD保护装置

    公开(公告)号：US20130139937A1

    公开(公告)日：2013-06-06

    申请号：US13808854

    申请日：2011-07-06

    申请人： Christophe Gayton ,  Stéphan Oraison ,  Benjamin Quantinet ,  Mathieu Vandaele

    发明人： Christophe Gayton ,  Stéphan Oraison ,  Benjamin Quantinet ,  Mathieu Vandaele

    IPC分类号： B60C11/12

    CPC分类号： B60C11/12 ,  B60C11/0306 ,  B60C11/032 ,  B60C11/0323 ,  B60C11/04 ,  B60C11/11 ,  B60C11/1281 ,  B60C11/1392 ,  B60C2011/1209 ,  B60C2011/1231 ,  B60C2011/1268

    摘要： Tire with radial carcass reinforcement having a tread of thickness E, this tread having a tread surface to come into contact with a roadway and comprising at least one cut opening onto the tread surface to form edge corners, this cut extending into the tread over a total depth H at most equal to the thickness E of the tread, this cut being, between the tread surface and a depth H1 at most equal to the total depth H, in the form of a sipe having a width D suitable for being able to close up at least in part under normal running conditions of the tire. There is also formed, in the vicinity, i.e. at a minimum distance from the said edge corner that is at most equal to five times the width D of the cut, of at least one edge corner of this cut and on the tread surface, at least one cavity having a depth h that is small in comparison with the depth of the cut, i.e. that is at most equal to 30% of the depth H, this at least one cavity reducing the compression rigidity of the tread in the vicinity of the said at least one edge corner.

    摘要翻译： 具有径向胎体加强件的轮胎具有厚度E的胎面，该胎面具有与道路接触的胎面表面，并且在道路表面上包括至少一个切割开口以形成边缘拐角，该切口在总体上延伸到胎面中 深度H最多等于胎面的厚度E，该切口在胎面表面和最大等于总深度H的深度H1之间，具有适合于能够关闭的宽度D的刀槽花纹 至少部分地在轮胎的正常运行条件下。 在附近也形成了距离所述边角最小距离最远等于切割宽度D的五倍，该切口的至少一个边缘角和胎面表面上，在 至少一个具有与切割深度相比较小的深度h的空腔，即至多等于深度H的30％的至少一个空腔，该至少一个腔体降低了胎面附近的压缩刚度 至少说一个边角。