| 摘要 |
<p>Window element or window or door frame element suitable to be built into a building's wall, where said element consists of a box structure which box structure is open in two opposing ends, and which in use will have a top plate, a bottom plate and two side plates connecting said top and bottom plates at their free side edges, where each plate along its edges is provided with structural frame members made from a polyurethane based material, and where the volume between the structural frame members is filled with an insulating material, and that means are provided along what in use will be facing the outside environment of the building for fastening either a glass pane or a sash frame, and that along the edges of the element which will be facing the interior of the building means are provided for integrating the element with the walls surface.</p> |
