发明名称 TREAD PATTERN FOR A PNEUMATIC TYRE
摘要 <p>The tread pattern proposed according to the invention for a winter tyre has profile elements which are provided with fine indents. Arranged in the central area of the tread there is at least one rib which runs in the circumferential direction and whose fine indents are approximately evenly spaced and have an average normal spacing from one another which is at least 15% smaller than the average normal spacing of fine indents provided in the side areas of the tread and adjacent within a profile element.</p>
申请公布号 EP0330643(A3) 申请公布日期 1990.02.07
申请号 EP19890890009 申请日期 1989.01.12
申请人 SEMPERIT REIFEN AKTIENGESELLSCHAFT 发明人 DIENSTHUBER, FRANZ
分类号 B60C11/04;B60C11/12;(IPC1-7):B60C11/04 主分类号 B60C11/04
代理机构 代理人
主权项
地址