| 摘要 |
<p>The device has a longitudinal support profile (1), in thin-wall or sheet, provided with a cross section that has a spout shape with a support bottom (2). Hooking units (10) are integrated to the support profile and retain free edges (9a) of a longitudinal covering profile (6) on the support profile. Ventilating slots (11) are provided in support branches and position an interior space (E) of the support profile by communicating with exterior. The hooking units have locking tabs (12a, 12b) cut in the support profile and folded to cooperate with the free edges of the covering profile.</p> |
