Ventilating element for roofs

Details Ventilating element for roofs Ventilating element for roofs

E - Fixed Constructions

04

D

E04D 1/36 (2006.01) E04D 13/17 (2006.01) F24F 7/02 (2006.01)

Patent

CA 2140322

A ventilating element with a ventilator cap for mounting on the ridge, hip or arris area of a roof, and which has at least one elastically flexible sealing member that extends along a longitudinal edge area of the cap. The sealing member is formed as a looped filament seal. This configuration has the advantage that undesirable disorientations of the filaments are prevented. This is because the loop structure has no free filament ends, and there is always a curvature in the end region which, on the one hand, prevents unintentional back-hooking, and on the other hand, imparts a certain coupling effect to adjacent loops, so that overall interlinking and interlacing of the individual loops are present, benefitting each other, especially by holding one another down, and preserving a close, flow-tight packing. The loop filament seal is formed of filament material having an elasticity which ensures the sealing function is established by placing the individual filaments on top of one another, by overlapping them and so forth.

L'invention concerne un élément de ventilateur de toit installé sur le faîte ou une arête de la toiture et équipé d'un chapeau muni d'au moins un dispositif d'étanchéité souple raccordé à son bord. Le dispositif d'étanchéité est composé de filaments bouclés. Cette configuration présente l'avantage d'empêcher les déviations indésirables des filaments. Cette propriété est liée à l'absence d'extrémité libres dans une boucle et au fait que la base de celle-ci est toujours arrondie, ce qui d'un part prémunit contre les risques de repli et d'autre part induit un certain effet de couplage des boucles adjacentes. Ainsi, on obtient un entrelacement et une imbrication de l'ensemble des boucles qui favorise, en particulier par un effet de cueillage, un bourrage serré et étanche. Le dispositif d'étanchéité est réalisé à partir de filaments dont l'élasticité fait en sorte que l'étanchéité découle de la superposition des boucles individuelles, de leur chevauchement et ainsi de suite.

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