| 摘要 |
A frame for windows, doors and balcony doors with two seals on every window, door and balcony door panel. A frame for windows, doors and balcony doors with a panel 1 on which are mounted two seals 3, 4 within depressions situated within the flange of the panel 5, 6, 7. The seal on the external side of the panel achieves thermal insulation and the second seal on the inner side of the panel achieves yet greater thermal insulation. The advantage of this invention is that this frame with two seals on each window, door or balcony door panel, achieves greater thermal insulation than frames with one seal. |
