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    TIRE TREAD HAVING IMPROVED RIGIDITY
    12.
    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

    Applicant: Richard Audigier ,  Stéphane Oraison ,  Mathieu Vandaele ,  Gilles Douet

    Inventor： Richard Audigier ,  Stéphane Oraison ,  Mathieu Vandaele ,  Gilles Douet

    IPC: B60C11/13

    CPC classification number: B60C11/042 ,  B60C11/0309 ,  B60C11/032 ,  B60C11/0323 ,  B60C11/12 ,  B60C11/1281 ,  B60C11/1307

    Abstract: 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.

    Abstract translation: 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
    15.
    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

    Applicant: Richard Audigier ,  Stéphane Oraison ,  Mathieu Vandaele ,  Gilles Douet

    Inventor： Richard Audigier ,  Stéphane Oraison ,  Mathieu Vandaele ,  Gilles Douet

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

    CPC classification number: B60C11/042 ,  B60C11/0309 ,  B60C11/032 ,  B60C11/0323 ,  B60C11/12 ,  B60C11/1281 ,  B60C11/1307

    Abstract: 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.

    Abstract translation: 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。

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