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21. 发明授权

US08783313B2 Tire tread with directional pattern 有权
标题翻译：轮胎胎面带方向图案
公开(公告)号：US08783313B2
公开(公告)日：2014-07-22
申请号：US13059420
申请日：2009-08-06
申请人： Jacky Pineau , Matthieu Bonnamour , Sébastien Fugier
发明人： Jacky Pineau , Matthieu Bonnamour , Sébastien Fugier
IPC分类号： B60C11/03
CPC分类号： B60C11/0302 , B60C2011/0374 , B60C2011/0388
摘要： A tread for a tire provided with a pattern comprising a plurality of main grooves formed on each half of the tread on each side of a median plane X-X′, each of these main grooves, of mean width L, opening axially to the outside and extending axially inward as far as a distance from the median plane X-X′ that is comprised between 2.5 and 10% of the width TW of the tread, these main grooves giving this tread a preferred direction of running, this tread further comprising a plurality of additional grooves comprising a first and a second end, the mean direction connecting the first and second ends forming, with the circumferential direction, a small angle A greater than zero degrees and at most equal to 20 degrees, this tread being characterized in that opening onto each main groove is at least one additional groove and in that the axially innermost end of each additional groove comes into contact with the road surface before the axially outermost end of the same additional groove.
摘要翻译：轮胎的胎面，其具有包括在中间平面XX'的每一侧上形成在胎面的每一半上的多个主槽的图案，每个主槽具有平均宽度L，轴向向外延伸并延伸轴向向内延伸至距中心面XX'的距离，其中胎面的宽度TW为2.5至10％，这些主槽给予该胎面优选的行驶方向，该胎面还包括多个附加槽包括第一和第二端，连接第一和第二端的平均方向与圆周方向形成大于零度并且至多等于20度的小角度A，其特征在于，在每个主体槽是至少一个附加槽，并且每个附加槽的轴向最内端在相同附加槽的轴向最外端之前与路面接触。

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