Drainage system for horizontally sliding closure assemblies

E - Fixed Constructions – 06 – B

Patent

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Details

E06B 1/70 (2006.01) E06B 7/14 (2006.01) E06B 7/26 (2006.01)

Patent

CA 2166144

-13- A drainage system for horizontally sliding closures is disclosed, especially horizontally sliding closures having a solid sill such as is typical with patio doors and the like. The drainage system includes a valve assembly having a top wall, opposed end walls and a side wall that defines a drainage aperture. The drainage aperture is normally closed by a hinged flap which permits water to drain through the valve assembly but inhibits the infiltration of outside air. The valve assembly is mounted over a drainage slot cut through the fixed rail. To ensure most efficient drainage performance, the fixed rail must be vented. This is preferably accomplished by replacing the usual end caps for the fixed rail with slotted end caps which maintain the internal air pressure in the fixed rail with substantially atmospheric pressure. The advantage is a simple, inexpensive very effective drainage system which is suitable for new product and the retrofit of installed doors and/or windows.

Cette invention concerne un système d'évacuation d'eau pour fermetures coulissant sur un plan horizontal, en particulier pour portes-fenêtres et fermetures analogues coulissant horizontalement sur un appui massif. L'objet de l'invention comprend un clapet ayant une paroi supérieure, des parois de bout opposées et une paroi latérale comportant une ouverture pour l'écoulement de l'eau. Cette ouverture est normalement fermée par un battant articulé qui permet à l'eau de s'écouler, mais empêche l'air extérieur de s'infiltrer. Le clapet est disposé au dessus d'une fente d'évacuation pratiquée dans le rail fixe qui doit être ventilé pour assurer une évacuation efficace. Pour réaliser la ventilation nécessaire, on remplace de préférence les capuchons d'extrémité standard du rail fixe par des capuchons d'extrémité ajourés qui permettent d'y établir une pression sensiblement égale à la pression atmosphérique. Le système objet de l'invention est simple, très efficace et peu coûteux, et convient aussi bien aux produits neufs qu'aux portes et/ou fenêtres existantes, en rattrapage.

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