| 摘要 |
A radial pneumatic tire 10 has a pair of bead cores 26 disposed one in each bead portion 22 of the tire; a carcass 30 having a carcass ply 40 having radially arranged cords extending between and turned up around the bead cores 26 from the axially inside to the outside to form a pair of turnup ends 44, 44' ; a rubber tread 12 disposed radially outside the carcass 30 ; a belt structure 36 having at least a first belt ply 37 and a second belt ply 39 disposed adjacently between the carcass 30 and the tread 12 and wherein each of the turned up ends 44, 44' of said carcass ply 40 extends radially outward overlying at least a portion of one or both of the at least first and second belt plies 37, 39 . The tire 10 is as described above is manufactured by a method of shaping a carcass 30 and applying a belt reinforcing structure 36 to the carcass 30 and then turning up a pair of carcass ply turnup ends 44, 44' over at least a portion of the belt reinforcing structure 36 along each respective lateral edge of at least one belt layer 37 , preferably covering all the lateral edges of two or more belt layers 37,39.
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