Roof water inlet

E - Fixed Constructions – 04 – D

Patent

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Details

E04D 13/04 (2006.01)

Patent

CA 2153262

Proposed is a roof-water run-in (3) with its rim (3d) located in the plane (1a) of roof (1), with its floor (3a) located at a certain distance from the rim (3d) and with an opening (3b). The opening (3b) leads into a drainpipe (2) disposed below the floor (3a) of the run-in (3). Two parallel plates (4, 5) are disposed a certain distance apart, the lower plate (4) being fixed in the run-in (3) and the upper plate (5) being fixed at a level above the rim (3d) of the run-in (3). The edge of the upper plate (5) extends beyond the rim (3d) of the run-in (3) such that the roof run-off water (11) is accelerated before it reaches the rim (3d) of the run-in (3) and, following two 90· changes in direction, before it reaches the opening (3b) in the run-in floor (3a) to form a continuous flow in the drainpipe (2).

Une cuvette collectrice d'eau (3) comporte un bord (3d) disposé dans le plan (1a) d'une toiture (1) ainsi qu'un fond (3a) disposé à une certaine distance de ce bord (3d) et pourvu d'une ouverture (3b). Cette ouverture (3b) débouche sur un conduit de décharge (2) placé sous le fond (3a) de la cuvette (3). Deux plaques parallèles (4, 5) sont disposées à une certaine distance l'une de l'autre, une plaque inférieure (4) étant fixée dans la cuvette collectrice (3) et une plaque supérieure (5) étant fixée au-dessus du bord (3d) de la cuvette collectrice (3). Le bord de la plaque supérieure (5) dépasse celui (3d) de la cuvette (3) de sorte que, pour obtenir un écoulement fermé dans le conduit de décharge (2), l'eau à évacuer (11) est accélérée avant qu'elle atteigne le bord (3d) de la cuvette collectrice (3) et après une double déviation de 90~ environ, avant qu'elle atteigne l'ouverture (3b) du fond (3a).

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