| 摘要 |
Device (10) for a firestop collar (4), comprising an anchoring element (20) and an expansion element (26). The anchoring element (20) serves to anchor the device (10) to a substrate (2), and the expansion element (26) is intended to interact with the firestop collar (4). The expansion element (24) is made of intumescent material and is arranged between the anchoring element (20) and the firestop collar (4) in such a way that it is in contact with the firestop collar (4). (Figure 2) 26,5 20,23 10 B --- - -- B 36 0 20,22 4,5 32 20,23 /- 10 )t 34 36 26,5 32 |
