| 摘要 |
<p>The door has a sheet (1) that consists of horizontally arranged sections (2) interconnected by joints, and wound on a rotating shaft (3). Multiple rail-like guides (5)with C-shaped cross section are slidably attached to the lateral edges of the sheet. An elastic smoke-tight casing (6) is attached to the end surfaces of the sheet. An upper elastic sealing strip (12) is horizontally attached to the edge of a support beam (11). The elastic sealing strips (13) are horizontally mounted in a base (14) on both sides of the sheet in a closed condition.</p> |
