| 摘要 |
<p>The invention comprises a system for drainage of a building construction, comprising a drainage case (1) consisting of a front plate (4) and two inclined side plates (2, 3), where each side plate (2, 3) is equipped with a fastening flange (5, 6), the front and the side plates are equipped with draining openings (8), as well as longitudinal grooves (9) are formed in the transition between the front and the side plates, a connection plate (11) arranged to be fastened between the grooves (9) in two adjacent drainage cases, as well as a top lid (12) arranged to cover a group of drainage cases and connection plates.</p> |
