| 摘要 |
The invention discloses an inflatable structure (1) made of a cellular rubber-like material to be located inside a tyre. This inflatable structure (1) is provided with at least one cavity (4) entirely positioned inside the said structure, means being provided for introducing a pressurised fluid into the said cavity (4), thus pressurising the tyre. In case of deflation, the cavity (4) resumes its initial geometry and then the structure (1) fills up almost the whole volume inside the tyre so as to enable it to run under satisfactory safety conditions.
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