| 摘要 |
he invented constructional element is designed for the assembly of the sides of buildings and is composed of two adequately-shaped metal laminae cooperating under tension (the supporting part depicted on the fig. B and the flexible shaped lamina onthe fig. A, 2). At the two ends of the supporting elements, there is formed an upturned portion forming a recess wherein the shaped lamina is anchored to take an arcuated form. The flexible curvature-forming lamina (fig. A, 2) has two hooking elements (fig. A, 4) engaging the recesses of the supporting part, the angle of which is always smaller than the angle whereto the curved constructional element is adapted. Said constructional element is used for the finishing of the internal and external corners of buildings and is manufactured either of metal laminae or of polyurethane panels. Contrary to the standardized products, the invented constructional element is able to meet the technical requirements of the construction. Further noticeable advantages of the invention are low cost, flexibility of the whole construction and short installation time. |
