| 摘要 |
<p>The invention relates to a tyre (10) that comprises two beads (20) each including at least one annular reinforcement structure (70), a padding gum (112) surrounding the annular reinforcement structure, a contention armature (121) folded around the padding gum, wherein, in any radial cross-section: the section SE of the assembly formed by the annular reinforcement structure (70) and the padding gum (112) is higher than or equal to 1.6 times the section ST of the annular reinforcement structure; the sections SU of the portion of the padding gum (112) radially outside the annular reinforcement structure (70), SD radially inside the annular reinforcement structure (70) and SO axially outside the annular reinforcement structure (70) are higher than or equal to 20% of the section ST; the section SI of the portion of the padding gum (112) axially inside the annular reinforcement structure (70) is higher than or equal to 10% of the section ST of the annular reinforcement structure.</p> |
