发明名称 SURFACE STATE OF THE TREAD OF A TYRE
摘要 The invention relates to a tread (1) for a tyre, that comprises a plurality of grooves (21, 22) defining blocks (4) and/or ribs, the grooves having an average thickness H. The tread has a rolling surface (10) intended to be in contact with the road when rolling, the rolling surface being characterised in that it is in contact with the road only by a plurality of relief contact lines (7), the relief contact lines intersecting each other in order to define a plurality of cavities on the rolling surface (10), i.e. portions located radially inside said rolling surface.
申请公布号 EA016319(B1) 申请公布日期 2012.04.30
申请号 EA20100070399 申请日期 2008.09.29
申请人 SOCIETE DE TECHNOLOGIE MICHELIN;MICHELIN RECHERCHE ET TECHNIQUE S.A. 发明人 NARITA NOBUTAKA
分类号 B60C11/03;B60C11/117 主分类号 B60C11/03
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