| 摘要 |
A connecting pipe joint structure of a pipe which is installed on the fixed position is provided to reduce the construction period for setting up the new facility and conduit by controlling the flow of the new conduit. A connecting pipe joint structure of a pipe which is installed on the fixed position comprises: a pipe joint(10) having the female thread along the circumferential surface of the end part; and a union connection part(20) combined with the screw thread. The union connection part includes: an annular coupling cap(20b) covering both end part of the cut circumferential surface of the new conduit and old conduit; and a joint nut(20a) of the annular shape having a male thread along the inner circumference.
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