发明名称 Pneumatiskt däck
摘要 <p>A pneumatic tire including rib-like land portions partitioned by a plurality of main grooves extending in a tire circumferential direction and/or block-like land portions partitioned by the plurality of main grooves and a plurality of lug grooves intersecting the main grooves in a tread surface. A plurality of protrusions are provided on a surface of the land portions, and at least two types of the protrusions, having different surface areas, are provided. Moreover, at least a majority of the protrusions adjacent to a small protrusion having a relatively small surface area are large protrusions having a relatively large surface area.</p>
申请公布号 FI20115970(A0) 申请公布日期 2011.10.03
申请号 FI20110005970 申请日期 2011.10.03
申请人 THE YOKOHAMA RUBBER CO., LTD. 发明人 FURUSAWA, HIROSHI
分类号 B60C 主分类号 B60C
代理机构 代理人
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