E - Fixed Constructions – 04 – B
Patent
E - Fixed Constructions
04
B
E04B 2/00 (2006.01) E04F 19/08 (2006.01) E06B 5/16 (2006.01)
Patent
CA 2111666
The panel assembly has a panel generally fitting in a hole and having an outer periphery running generally parallel to the inner periphery of the hole. Respective geometrically similar inner and outer annular frames on the inner and outer peripheries have confronting outer faces forming an annular gap around the panel between the inner and outer frames. One of the frames has an inner face forming an annular compartment extending around the respective periphery. This one frame is formed with an array of throughgoing openings which extend between the respective inner and outer faces and connect the compartment with the gap. The compartment is substantially closed except at the openings. An annular body of heat-swellable mate rial is provided in the compartment so that on heating of the material it swells and exits the compartment through the openings to fill the gap.
La présente invention vise un panneau constitué d'un élément inséré dans une ouverture et dont le bord extérieur est généralement parallèle au bord intérieur de l'ouverture. Le bord extérieur de l'élément et le bord intérieur de l'ouverture sont respectivement garnis d'un cadre de géométrie similaire, entre les faces externes desquels un vide annulaire est aménagé. La face interne de l'un des cadres forme un compartiment annulaire sur toute la périphérie. Ce cadre comporte un ensemble d'orifices qui en traversent les deux faces et relient le compartiment au vide annulaire. Mis à part les orifices, le compartiment est essentiellement fermé. Un cordon de matériau gonflable à la chaleur est inséré dans le compartiment; lorsque ce matériau est chauffé, il gonfle et se répand dans le vide annulaire par les orifices.
Borden Ladner Gervais Llp
Opus Patent-Und Know-How Verwertungsgesellschaft Mbh
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