| 摘要 |
PURPOSE:To facilitate moving, by assembling a screw pipe in field, and by fitting it on a building, a bridge, a tunnel, or the like. CONSTITUTION:At an engaging section between one end edge 4 of bending end edges bent in a type S on the left and right of an iron plate, and one end edge 5 formed with another iron plate, a rubber packing 10 is placed, and the component parts are engaged with one another. Besides, after they are engaged with a V-type block pin 9, the roller 7 of the block pin 9 is pulled with a winch through a wire 8, and by this method, the whole field-assembled pipe 1 is fixed. As a result, when the pipe 1 is moved to the fourth floor of a building, then the pipe 1 manufactured on the first floor can be vertically moved with a jack, and so working on a high floor can be avoided, and the pipe is available on another one, a bridge, a tunnel, or the like. |
