| 摘要 |
<p>The invention relates to a process for producing a structural element, having at least one cavity-forming half-shell, comprising at least two lips which together form at least one flange, and is distinguished by the fact that at least the lips are provided, at their contact surfaces, with a foam semi-finished product, that the lips are brought together with the aid of a clamping force, that the foam semi-finished product is activated, and the lips are welded together by the activated foam semi-finished product.</p> |
