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    PNEUMATIQUE A CARCASSE RADIALE OU CROISEE
    2.
    发明公开
    PNEUMATIQUE A CARCASSE RADIALE OU CROISEE 有权
    径向或层BORDER轮胎胎体

    公开(公告)号：EP2834087A1

    公开(公告)日：2015-02-11

    申请号：EP13717452.0

    申请日：2013-04-04

    申请人： Compagnie Générale des Etablissements Michelin ,  MICHELIN Recherche et Technique S.A.

    发明人： HUYGHE, Jean-Michel

    IPC分类号： B60C9/18 ,  B60C9/20

    CPC分类号： B60C9/20 ,  B60C9/18 ,  B60C9/1807 ,  B60C9/185 ,  B60C19/08 ,  B60C2009/1842 ,  B60C2009/1864 ,  B60C2009/2012 ,  B60C2009/2035 ,  B60C2009/2051

    摘要： The invention concerns a tyre comprising at least one carcass reinforcement, a belt reinforcement comprising a first and second end, a tread, said belt reinforcement comprising the following distinct elements: -a reinforcing ply, having transverse half-width L2, comprising a reinforcing polymer layer disposed between two layers of rubber coating, -at least one bracing ply, mounted on the reinforcing ply, and having transverse half-width L1, and comprising two-by-two parallel wire reinforcement elements, forming, at the most, an angle at most equal to 7° relative to the circumferential direction of the tyre, the tyre comprising at least one layer of edge decoupling gum (7), disposed at least radially between the bracing ply (5) and the reinforcing ply (6) and disposed at at least one transverse end of the belt reinforcement, said layer of edge decoupling gum (7) having a total length of between 10 and 40 mm and a thickness of between 0.2 and 1.2 mm, characterised in that it comprises at least one reinforcing ply, and in that at at least one end of the belt reinforcement (3), half-widths L1 and L2 are different, and have a difference (L1-L2) of between 5 and 10 mm.