| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a pneumatic radial tire in which controllability is improved and durability during run-flat traveling and high-speed durability are made compatible. <P>SOLUTION: For the pneumatic radial tire, the shape of a bead filler is made appropriate, and a ratio of the cross section area of the bead filler to the cross section area of side reinforcing rubber in a tire width direction is turned to an appropriate range. <P>COPYRIGHT: (C)2013,JPO&INPIT |
