| 摘要 |
<p>A plastic door frame or window frame consists of two fill-length profiles (2) each with a recess (11, 17) accommodating a plastic strengthening profile (1) which terminates each side in a cover strip (13). The profile has a T cross-section with a foot (8) and cross-piece (9) anchored centrally within the recess (11, 17). The push-fit cover strip (13) is anchored by a profiled plug (12) within the receiving groove (17).</p> |
