| 摘要 |
<p>PURPOSE: To facilitate the piping construction by fixing a flange member at the end part of a straight pipe which is not applied with working, without utilizing the welding work. CONSTITUTION: A flange member 2, mouthpiece 3 having a contractible diameter, and the first seal part 17 of a packing 5 are fitted with a pipe 1, and the second seal part 18 of the packing 5 is press-attached with the end surface 24 of the pipe 2 on the opponent side, and the flange member 21 is joined with the end surface 24 of the pipe 21 on the opponent side. At this time, diameter is contracted by pressing the mouthpiece 3 by the pressing part 11 of the flange member 2, and the flange member 2 is fixed with the pipe 1 by nipping-holding the mouthpiece 3 in a wedge form between the pipe 1 and the flange member 2. Further, the packing 5 is surrounded by a packing case 4, and the contact part 15 of the packing case 4 is attached with the end surface 24 of the pipe 21 on the opponent side, and the end surface of the mouthpiece 3 is supported by the receiving part 14 of the packing case 4, and the state where an unreasonable pressure acts on the packing 5 is prevented.</p> |
