Means for dehumidification, perspiration, ventilation or the...

Static structures (e.g. – buildings) – Window or window sash – sill – mullion – or glazing – Having a drain or vent

Reexamination Certificate

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Reexamination Certificate

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07726079

ABSTRACT:
A device for the dehumidification, perspiration, ventilation or impermeabilization of walls, floors and/or ceilings by the use of a double fretted membrane of the known type, the shape of which defines longitudinal channels, characterized in that there is provided a peripheral section having a tubular body from which two pairs of longitudinal ribs perpendicular to each other and extending all over the length of the section project. Each pair of ribs is able to receive a peripheral edge of the double membrane.

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