| 摘要 |
PURPOSE:To improve workability for bearing a ceiling while bearing the ceiling with high strength. CONSTITUTION:Nut cylindrical bodies 3 are provided droopingly at the lower end sections of bearers 7 penetrated through a roof material 2a roofed along a roof. Hanging screw rods 8 are screwed to the nut cylindricial bodies 3. A ceiling material 10 is borne to the hanging screw rods 8 through mounting means X. The bearers 7 are penetrated to the roof material 2a approximately vertically. Freely bendable sections U are formed detachably to the midway sections of the hanging screw rods 8. |
