| 摘要 |
PROBLEM TO BE SOLVED: To facilitate execution of fitting work of supporting means for an inner pipe of a double pipe structure composed by arranging the inner pipe in an outer pipe, even if a bent pipe and a branch pipe are used. SOLUTION: The double piping structure has a double pipe 25 having an inner pipe 20 arranged in an outer pipe 30. Supporting members 10 for supporting the inner pipe with a gap between the inner pipe and the outer pipe are arranged in a circumferential direction at a plurality of spots. These supporting members penetrate the wall of the outer pipe and are welded to the outer pipe at welding parts 40. The outer pipe is fixed to a frame 60 with U-bolts 14 and nuts 15. The frame is fixed to a floor 80. COPYRIGHT: (C)2004,JPO
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