Gate unit for sectional door, has set of synthetic frame sections, two hollow chambers formed in one of synthetic frame sections, and steel sections arranged in one of chambers, where chambers are filled with air

摘要

The section has a set of synthetic frame sections (5), and two hollow chambers (25, 27) formed in one of the frame sections. Steel sections (32, 34) are arranged in one of the chambers, where the chambers are filled with air. The steel sections are screwed together with the respective frame sections, so that the steel sections and the frame sections statically form one unit. A window pane (13) is fastened in the frame sections. An independent claim is also included for a sectional door comprising a gate unit.