发明名称 Heavy duty pneumatic tire
摘要 A heavy duty pneumatic tire includes a tread portion (2) provided with at least one circumferentially and continuously extending main groove (3), and a plurality of lateral grooves (7) to form circumferentially repeated pitch elements P, each of which consists of one lateral groove and a block element (10) arranged between two adjacent lateral grooves. The tread portion has a land ratio in a range of from 70% to 80%, and a number of pitch elements in a range of from 40 to 50. Each lateral groove has a circumferential groove width W2 in a range of from 5% to 15% in relation to a circumferential length of the pitch element, and an angle in a range of from 45 to 85 degrees with respect to a circumferential direction of the tire.
申请公布号 EP2765011(A1) 申请公布日期 2014.08.13
申请号 EP20140151559 申请日期 2014.01.17
申请人 SUMITOMO RUBBER INDUSTRIES, LTD. 发明人 OKABE, TARO
分类号 B60C11/03;B60C11/12 主分类号 B60C11/03
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