FENSTER- ODER TUERKONSTRUKTION AUS ALUMINIUM MIT SCHILDFOERMIGER WAERMEBARRIERE

摘要

A metal door or window frame comprises mobile and fixed frameworks each formed by a sub-frame including a substantially tubular section effective to be positioned on the side thereof facing the room interior and a cover section effective to be positioned on the side thereof facing outwards, between the sub-frames and the cover sections insulating material elements being provided for defining an uninterrupted heat insulating barrier therebetween.