| 摘要 |
The box i.e. bottomless casing (1), has a box mouth side including a flange (2) resting in an assembly reference position outside a wall. A fixing unit fixes the wall in the assembly reference position. A sealing compound is introduced into the casing. Stretch parts e.g. cable, cable bundle or installation pipes, are guided by the casing and close existing gaps between an inner surface of the casing and long form parts. A sealant is provided on a plate or dish-like part, where the casing is made of plastic, intumescent material and elastomeric material. |
