| 摘要 |
<p>The sheet metal profile (1) has two arm sections (2) connected by a base section (3) with reinforcement strips (5) fixed on the arm sections through plastic material deformations provided on the strip and/or arm sections. The reinforcement strip can be a part of the arm section bent back or can be a separate element such as a sheet metal strip. The reinforcement strip can be mounted on the side of a supporting edge (4) remote from and/or facing the base section.</p> |
