发明名称 Pneumatic tire
摘要 A pneumatic tire comprises a tread portion provided with a circumferential shoulder main groove, shoulder lateral grooves extending from the shoulder main groove toward a tread edge, and middle lateral 1 grooves extending from the shoulder main groove toward a tire equatorial plane, the shoulder main groove extending in a zigzag manner through an axially innermost and outermost points alternately, each middle lateral groove extending from each innermost point of the shoulder main groove with an angle of 50-75 degrees with respect to a tire axial direction, and each shoulder lateral groove extending from the shoulder main groove with the same inclination direction with the middle lateral groove at an angle of 10-25 degrees with respect to the tire axial direction, wherein the number of shoulder lateral grooves is larger than the number of middle lateral grooves.
申请公布号 EP2653320(A2) 申请公布日期 2013.10.23
申请号 EP20130163870 申请日期 2013.04.16
申请人 SUMITOMO RUBBER INDUSTRIES, LTD. 发明人 KOYAMA, TOSHIO;HIGUCHI, KEIJI;TAKANO, HIROKAZU
分类号 B60C11/04 主分类号 B60C11/04
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