| 摘要 |
The device has multiple component parts (3) with an outside surface (4), an inside surface (5) and side surfaces (6). A projection (7) is arranged at the inside surface. The projection of the component part is formed as cone-shaped. The cone-shaped projection has an end connected with the component parts and a free end. The cone-shaped projection is tapered in the direction of the free end. An independent claim is also included for a modular structural unit has profile and connecting device. |
