| 摘要 |
The invention concerns a tyre (P) with radial body ply reinforcement (1) with maximum axial width S0, comprising a crown ply reinforcement (3) formed of at least two working breaker strips (32, 34) of inextensible reinforcing elements, criss-crossed from one breaker strip to the other forming with the circumferential direction angles between 10 DEG and 45 DEG , said breaker strips having axial widths L32, L34 not less than 80 % of the width S0, and, radially arranged between said working breaker strips, an additional breaker (33) made of reinforcing elements substantially parallel to the circumferential direction, the working breaker strips (32, 34) of widths L32, L34 greater than the width L33 of the additional breaker (33) by at least 16 % of the width S0, being on either side of the equatorial plane and in the immediate axial extension of the additional breaker (33) coupled over an axial distance l not less than 3 % of the width S0, to be then separated by a section (4) of rubber mixture with a thickness not less than 2 mm. |
