A tire comprising a tread (12), a crown reinforcement (77), and a carcass reinforcement with at least one ply (72) wound about a pair of bead cores (74) and through two sidewalls (98, 99) of the tire (10) is disclosed. The tire (10) further comprises a sidewall layer as a reinforcement structure (101, 102) disposed adjacent a part of the carcass reinforcement (72) within at least one of the sidewalls (98, 99). The sidewall layer comprising a plurality of cords, each cord including: (i) one nylon cord having an S twist with from 4 to 8 twists per 2.54 cm, one aramid cord having a Z twist with from 4 to 8 twists per 2.54 cm, and the nylon cord and the aramid cord being twisted together with an S twist having from 3 to 7 twists per 2.54 cm; or (ii) one nylon cord having an Z twist with from 4 to 8 twists per 2.54 cm, one aramid cord having a S twist with from 4 to 8 twists per 2.54 cm, and the nylon cord and the aramid cord being twisted together with an Z twist having from 3 to 7 twists per 2.54 cm.
TIRE WITH REINFORCED SIDEWALL LAYER
REIFEN MIT VERSTÄRKTER SEITENWANDSCHICHT
PNEU AVEC COUCHE DE FLANC RENFORCÉE
2023-06-21
Patent
Elektronische Ressource
Englisch
IPC: | B60C VEHICLE TYRES , Fahrzeugreifen |
Development in sidewall reinforced run-flat tire
Kraftfahrwesen | 2000
|Europäisches Patentamt | 2023
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