Metal frame for metal-glass facade

摘要

The metal frame comprises coupling ducts (500-507) for air exchange between the inner spaces of the port (1) and bolt elements (2) of a frame of rectangular hollow profile. Pref. the coupling ducts are formed by apertures in the coupling section of the port and bolt elements, opening into the hollow profiles of the bolt element, which may contain outlet apertures (510,520) themselves on their top side (540). The outlet apertures may be elongated. A hot air source may be coupled to the port (s).