| 摘要 |
<p>An assembly node unit serves for the sealing interconnection of the cut-off ends of sections (60, 70, 80) which have an upper longitudinal orifice (61) and which thus form a girder structure in the form of a lattice work which is to be suspended on the ceiling of a room, especially a clean room. Filter frames of clean-room filters can be inserted into the lattice work in a gas-tight manner. The assembly node unit comprises connecting members (30) which can be introduced into the cut surface (59, 75) of the sections (60, 70, 80) to be connected, on the one hand, and into sides (38), facing these, of an assembly node (10, 40, 50) of the unit, on the other hand, and which can be fastened in the two parts. Each of these connecting members is so designed that, after being introduced into a section through the longitudinal orifice (61) of the latter, it can be connected non-positively to this and also, in the finished lattice work, can be released from above, with the result that the respective section and if appropriate, also an assembly node can be removed from the beam structure, without cutting up a section or destroying the assembly node or the remaining beam structure, and, if appropriate, reinstalled in this. …<IMAGE>… </p> |
