| 摘要 |
<p>A sealing layer in the form of a foil (1) provided with a fastening element (2, 16, 17) is anchored to an underlying base comprising at least one vapour seal (4) upon which is arranged at least one insulating layer (3), an elastic connector element (6) which is anchored to the underlying base (5), following which the other end of the connector element (6) is fastened to the flap (2).</p> |
