| 摘要 |
This invention relates to a false ceiling, constituted by a taut sheet fastened, along its edges, to a support fixed to the walls of a room, said false ceiling being characterized in that the rail presents a downwardly open recess, defined by two vertical flanges of different heights, namely a first flange of small height and a second flange of greater height and extending downwardly further than the first flange, and in that the first flange, of small height, of the rail terminates, at its lower end, in a shoulder extending horizontally in the direction of the second flange of greater height and stopping at a distance therefrom in order to define, between the second flange and the shoulder, a passage allowing the introduction of the harpoon, forming the edge of the taut sheet, upwardly in the recess. |
