| 摘要 |
<p>The insert rear side is for incorporation in an existing window and comprises lower and upper horizontal pieces and two vertical pieces, which are joined together to form a self-supporting frame-shaped body and each of which locates against a corresponding rear piece in an existing window, in which the frame-shaped body is fitted. Preferably, each of the pieces on its lower side has two or more longitudinally extending flexible sealing strips arranged at a distance from each other in the rear piece cross direction and which extend outwards from the rear piece under side, enabling the rear piece, via the sealing strips, to seal against a corresponding rear piece in an existing window rear when the frame-shaped body is installed.</p> |
