| 摘要 |
<p>A thermal insulating frame (11) comprises two pairs of interconnected horizontal and vertical pieces (11,12 and 13) each of which consist of an interior member of thermal insulating material (19) and an exterior member of metal (23) joined directly with the interior member (19). The interior members (19) of at least three of the exterior member of metal (23) joined directly with the interior member (19). The interior members (19) of at least three of the frame pieces (11,13) have an identical cross-sectional shape. Surface areas of each interior member (19) which are exposed to the air are coated with a layer (133) of weatherproofing material.</p> |
