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    Pneumatic tire having foamed rubber
    23.
    发明授权
    Pneumatic tire having foamed rubber 失效
    具有发泡橡胶的气动轮胎

    公开(公告)号：US5788786A

    公开(公告)日：1998-08-04

    申请号：US858917

    申请日：1997-05-19

    申请人： Koji Yamauchi ,  Nobuyuki Okamura ,  Kojiro Yamaguchi ,  Kazunori Shinohara

    发明人： Koji Yamauchi ,  Nobuyuki Okamura ,  Kojiro Yamaguchi ,  Kazunori Shinohara

    IPC分类号： B60C1/00 ,  B60C11/00 ,  B60C11/14 ,  C08K3/00 ,  C08K3/04 ,  C08K3/36 ,  C08L9/00 ,  C08L21/00

    CPC分类号： B60C11/14 ,  B60C1/0016 ,  B60C11/00 ,  C08K3/36 ,  B60C2011/147

    摘要： A pneumatic tire in which a foamed rubber layer having closed cells is provided at a surface of a tire tread which substantially contacts at least a road surface, wherein the foamed rubber layer has closed cells whose average diameter is about 1 m to about 120 m and has an expansion ratio of about 1% to about 100%, a solid-phase rubber portion of the foamed rubber layer has a rubber composition in which at least both of a diene-type rubber and silica are mixed, and an amount of the silica is about 10 to about 80 parts by weight based on 100 parts by weight of the diene-type rubber. The pneumatic tire exhibits excellent traction and braking abilities and controllability on snowy, icy and wet road surfaces.

    摘要翻译： 一种充气轮胎，其特征在于，在轮胎胎面的至少与路面接触的表面设有具有闭孔的发泡橡胶层，其特征在于，所述发泡橡胶层的平均直径约为1μm〜120μm左右， 具有约1％至约100％的膨胀比，发泡橡胶层的固相橡胶部分具有其中混合二烯类橡胶和二氧化硅中的至少两者的橡胶组合物，以及一定量的二氧化硅 基于100重量份的二烯类橡胶为约10至约80重量份。 充气轮胎在雪，冰冷和潮湿的路面表现出优异的牵引力和制动能力和可控性。