| 摘要 |
1379389 Structural framework ISEC PATENT HOLDINGS GROUP Ltd 24 April 1972 [27 April 1971] 11530/71 Heading E1W A structure for supporting a planar surface 40 comprises a plurality of trough like structural elements each comprising longitudinal elements 11, 12 and transverse elements 30 bridging the space between them. Cladding e.g. of plasterboard, plastics or plywood 44 covers at least one side of the module and the outer surfaces of the elements 11, 12 make an oblique angle with the cladding 44. The modules are secured together with outer surfaces of adjacent elements abutting and may be fixed by tie bars 41 or inclined trapezoidal frames (58) Fig. 4 (not shown). The planar surface may be a floor 40 or a plaster board ceiling. For Figure see next column |
