| 摘要 |
1. Relief chimmney closure with a closable cover (7) at the mouth of a chimney flue, characterised by one or several insulating plugs (10, 13) suspended from the chimney cover (7), which plug(s) is or are attached to the cover (7) by means of an anchoring element (9) and which can be positioned inside the chimney flue (2, 3) in the insulation area (6) of the top of a building (5), and if necessary loaded by weights (11). |
