发明名称 HEAVY DUTY PNEUMATIC TIRE
摘要 PROBLEM TO BE SOLVED: To provide a heavy duty pneumatic tire having both wet performance and on-snow performance compatibly.SOLUTION: A heavy duty pneumatic tire 1 has plural blocks 8 on a tread 2. At least one of the blocks 8 is partitioned into 3 portions of a first outside piece 21, a second outside piece 22 and a central piece 24 between the first and second outside pieces by only two division sipes 18. The first outside piece 21 has a first protrusion 26 protruding stepwise on one side of the central piece 24 in a tire axial direction. Besides, the second outside piece 22 has a second protrusion 27 protruding stepwise on the other side of the central piece 24 in the tire axial direction.SELECTED DRAWING: Figure 1
申请公布号 JP2016101801(A) 申请公布日期 2016.06.02
申请号 JP20140240397 申请日期 2014.11.27
申请人 SUMITOMO RUBBER IND LTD 发明人 MATSUDA YOSHIE
分类号 B60C11/03;B60C11/12 主分类号 B60C11/03
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