To provide a pneumatic tire capable of effectively reducing the rolling resistance by optimizing an arrangement relationship between a circumferential groove formed in a tread rubber and a belt without considerably increasing the weight of the tire.
The pneumatic tire includes a carcass 5 consisting of one or more carcass plies extending in a toroidal manner, a belt 6 consisting of two or more belt layers, and a tread rubber 8. At least one circumferential groove 9 extending along the tire circumferential direction is arranged in a tread of the tread rubber 8. A first belt part 6a of the belt 6 forming a part corresponding to a groove bottom position of the circumferential groove has an overlapping part 11 in which the number of belt layers thereof is larger than that of a second belt part 6b forming a part corresponding to other position than the groove bottom of the circumferential groove. When viewed in the section in the tire width direction, the dimension b in the width direction of the overlapping part 11 is larger than the opening dimension a of the circumferential groove 9 located corresponding to the overlapping part 11.
| JPH05238206A | 1993-09-17 | |||
| JP2002337509A | 2002-11-27 | |||
| JP2009067244A | 2009-04-02 | |||
| JPH08156519A | 1996-06-18 | |||
| JP2003054219A | 2003-02-26 | |||
| JP2003146024A | 2003-05-21 | |||
| JP2001163013A | 2001-06-19 | |||
| JP2005035345A | 2005-02-10 | |||
| JP2008006892A | 2008-01-17 | |||
| JPH06143924A | 1994-05-24 | |||
| JPH05319026A | 1993-12-03 | |||
| JPH05238206A | 1993-09-17 | |||
| JPH08175107A | 1996-07-09 |
Kiyoshi Kuruma
Yuta Terashima