| 摘要 |
<p>The frame is integrated in a wall in order to create a through passage in the form of a permanent access, rotary door, sliding door or roller door. It comprises a whole entity (1) and the amterial from which it is made can vary according to the wishes of the customer and the type of wall in which it is to be integrated. The frame is characterized by a specific external process (6) per type of wall in which it is to be installed. A rough structure of the wall can be formed quickly, using the frame as a profile, and the wall does not have to be so perfectly formed where it connects to the frame (2,3). No extra support beam (1,5,9,10) has to be formed above the frame.</p> |
