发明名称 PNEUMATIC TIRE
摘要 PROBLEM TO BE SOLVED: To provide a pneumatic tire 2 having a carcass ply 36 of a super-high turn-up structure and excellent ride quality while any ply-loose hardly occurs. SOLUTION: The carcass ply 36 comprises a main portion 38 and a return portion 40. The return portion 40 overlaps a belt 18 in the axial direction. An end 48 of the return portion 40 leads immediately below the belt 18. The end 48 is covered with a covering rubber 22. The width Wc of the covering rubber 22 is≥3 mm. The thickness of the covering rubber 22 is≥0.3 mm. The complex modulus of elasticity E<SP>*</SP>of the covering rubber 22 is≥6 MPa and≤11 MPa. The distance Lo between the end 48 of the covering rubber 22 and an end 50 of the belt 18 is≤15 mm. COPYRIGHT: (C)2008,JPO&INPIT
申请公布号 JP2008114717(A) 申请公布日期 2008.05.22
申请号 JP20060299761 申请日期 2006.11.06
申请人 SUMITOMO RUBBER IND LTD 发明人 IMAOKA SHUJI
分类号 B60C9/08;B60C9/04;B60C9/20 主分类号 B60C9/08
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