| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To allow connection of thin-walled stainless steel pipes of pipe diameters different from each other by using a general purpose fitting. <P>SOLUTION: A connecting structure includes: the thin-walled stainless steel pipe 2 formed with a bulging portion 21 having inclined faces 21a, 21b; a clamping part 3 forming an inclined pressing face 31 capable of pressing the inclined face 21b to an end side, having the inclined pressing face 31 and having a flange portion 35; a spacer 4 for the fitting having a fitting portion 42 fitted onto the outer periphery of an end of the thin-walled stainless steel pipe 2, forming, on the side facing the inclined face 21a, a first holding portion 43 catching a first packing 7 and a projecting portion 33 between the same and the bulging portion 21 and forming a packing receiving portion 44 on the outer peripheral side; the fitting 5 having a fitting inner peripheral face 51 fitted onto the outer periphery of the fitting portion 42 and engaged with an end 42a, and a second holding portion 52 catching and pressing a second packing 8 on the inner peripheral side facing the packing receiving portion 44 and including a flange portion 55 on the outer peripheral side; and bolts 6 fastening and connecting the flange portion 35 and a flange portion 55. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
