| 摘要 |
<p>The door or window frame which may be double or triple glazed, has a one-piece integral grooved plastics profile. The profile includes a hinged panel with perforations. The one piece plastics housing (1) has a bottom profile (2), panels (3), and grooved profile (4). The bottom profile has a U-shaped section (5), accommodating an insulating window pane, e.g. double or treble glazed. A reinforcing rib (15) is fitted between the L-shaped profile (6) and a tongue shaped part (11).</p> |
