| 摘要 |
PURPOSE: A run-flat tire for a vehicle is provided to prevent the deterioration in fuel efficiency by reducing the size of the same and obtaining the strong bearing capacity of the same and to facilitate to be attached to or detached from a tire. CONSTITUTION: A run-flat tire for a vehicle comprises a tire body (1) and a tubular prechamber (2). The tubular prechamber is installed inside the tire body and comprises inner beads (21,22) and a plate body (23). The inner beads are installed inside both bead parts (11,12) of a tire. One of the inner beads comprises a check valve (24). The plate body interconnects both inner beads and is shaped into an M. Curvature parts (25,26) are formed on the center of the plate body and on adjacent positions to the inner beads. Both sides of a curvature part in the center of the plate body are installed with soundproofing materials (27).
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