| 摘要 |
Subject: telescopically adjustable concrete moulding system. Constitution: a platform 1 provided with telescopically adjustable sides and composed of a steady and a moving part adapted on the main parallelogram-shaped body 2 which is furnished with a steady surface film 13 and a foldable surface film 8 sliding on the main body which is additionally composed of two or several parallel metal beams supporting the scaffolds 3 whereto there are vertically adapted and in parallel arrangement film beams 4 of smaller cross section. The potential extension of the beams 3 and film beams 4 from both ends and the two-by-two joining of said beams create four rectangular folding angles 9. |
