发明名称 PNEUMATIC TIRE
摘要 PROBLEM TO BE SOLVED: To provide a pneumatic tire that is improved in groove crack resistance performance.SOLUTION: The pneumatic tire has: a tread rubber 5 (cap rubbers 50) that forms a grounding surface on which grooves 5a extending in a tire circumferential direction are arranged; and net-like rubbers 52, which are arranged in a peripheral region Ar positioned on both sides in a tire width direction WD and inside in a tire radial direction RD of the grooves 5a in a tire meridian cross section, that are formed of rubbers higher in hardness than the tread rubber 5 (the cap rubbers 50). The entire wall surfaces of the grooves 5a are not formed of the net-like rubbers 52 and at least some of the wall surfaces of the grooves are formed of the tread rubber 5 (the cap rubbers 50).
申请公布号 JP2015013519(A) 申请公布日期 2015.01.22
申请号 JP20130140142 申请日期 2013.07.03
申请人 TOYO TIRE & RUBBER CO LTD 发明人 SAKATA KOICHI
分类号 B60C11/00;B60C11/04;B60C11/13 主分类号 B60C11/00
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