| 摘要 |
PURPOSE: A tire with multi-layered air stratum prevents deflating of air when a tire is burst by forming 2-layered air space. CONSTITUTION: A tire(2) has a middle membrane(3) in the middle thereof and two layers of air space are formed in the tire due to the middle membrane(3). The first pneumatic pressure of an upper air stratum(4) is transferred to the second pneumatic pressure of a lower air stratum(5) through an air valve(6). But the first pneumatic pressure isn't transferred to the lower air stratum(5) when the second pneumatic pressure is deflated rapidly. Thus, though air in the lower air stratum(5) is deflated completely, air in the upper air stratum(4) is to be maintained as normal pressure. Therefore, the tire prevents a big accident and drives to a short distance in safety even when the tire is burst.
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