| 摘要 |
<p>The system has an external frame (2) and an interior frame (8) that is formed by a set of sections that is provided in an approximately U-shaped manner with a core and two wings. A head or a widened part is allowed to butt against a zone of the core adjacent to a cutting or perforation. A fixing unit is arranged for fixing of a rod, where the fixing unit is adapted to cooperate with a recess (20) of a plate of a side frame (4) or of a part attached to the plate of the side frame. Independent claims are also included for the following: (1) a protected shelter (2) a kit for realization of a secure wall system (3) a method for assembly of a secure wall system.</p> |
