| 摘要 |
PCT No. PCT/SE90/00536 Sec. 371 Date Apr. 18, 1991 Sec. 102(e) Date Apr. 18, 1991 PCT Filed Aug. 17, 1990 PCT Pub. No. WO91/02863 PCT Pub. Date Mar. 7, 1991.The present invention relates to a structural element for realizing continuous surfaces, for example a screen, a partition wall, a hoarding or the like, essentially for screening-off from noise, view, etc., each corner (5, 6, 7, 8) of a substantially quadrilateral, hollow profile (1-8) being reversed and directed in towards the center of the profile (1-8), and at least one side (1) of the profile (1-8) indented because of corner reversal, being provided, at each edge, with an outwardly directed flange (9, 10), the flanges (9, 10) being parallel with one another and fitting over the sides, indented because of corner reversal, of another substantially identical profile (1-8). |
