| 摘要 |
<p>Mobile smoke and fire protection device (13) comprises a sealing unit inserted into a wall, ceiling or floor which fits the shape of the opening and a partially covered opening for people. Preferred Features: The sealing unit is partially made from a flexible material, preferably a fabric or foil, which is resistant to high temperatures. The sealing unit is provided with expandable swelling bodies on the periphery to fit the opening. The swelling bodies have several chambers. -</p> |
