GASTIGHT FOLDING DOOR AND METHOD FOR THE INSTALLATION THEREOF

摘要

The invention relates to a gastight door provided with a number of lying panels pivotably connected to one another, at least some of which panels are provided at their ends with guide elements which are movable in guide sections arranged on either side of an opening to be closed by the door. The bottom panel is connected to a lifting device. The panels are pivotable alternately in opposing direction and around the periphery of the door opening extends an inflatable sealing section. In this way a well gastight folding door is obtained which takes up relatively little room in the opened position. The invention further relates to a method for the installation of a folding door in a building by assembling the door panels, the lifting device and a part of the guide sections in a central location to produce a transportable unit, by transporting the unit produced in this way to the building, ang by mounting the unit on site above a door opening and providing straight guide sections connecting the unit with the ground. This method results in simplifying the installation operations and reducing the risk of installation errors.