The invention relates to improvements to the endurance of the beads of a radial tyre for a heavy vehicle of construction plant type, by reducing the cracking that starts at the end of the turned-back portion and spreads through the coating, edging and filling polymer materials. According to the invention, a transition element (25), made of a transition polymer material, is at least partially in contact, over its axially exterior face, with the edging polymer material (22) and, over its axially interior face, with a filling polymer material (23b), the radially exterior (E
Bead of a tyre for a heavy vehicle of construction plant type
2016-05-26
Patent
Electronic Resource
English
IPC: | B60C VEHICLE TYRES , Fahrzeugreifen |
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