| 摘要 |
<p>This tile comprises at least two walls (2, 2'; 3, 3', 3") separated from each other by means of bracing structures (3a to 3d; 4, 5 and 5') which participate in the formation of at least one chamber (6) which is capable of receiving a filler product (13, 20, 22), each wall (2, 2'; 3, 3') being secured to the first wall by being connected thereto by its peripheral edges (3a to 3d) and, if appropriate, by its parts in contact with the bracing structures (4, 5, 5'). <IMAGE></p> |
