| 摘要 |
PROBLEM TO BE SOLVED: To provide a hydraulic test method for pipe joint section easy to fixing and good in workability and a hydraulic test method using the same. SOLUTION: The hydraulic testing device for pipe joint section includes: a hydraulic test device body 3 divided on a peripheral direction into a plurality of pieces, tight closely mountable on the joint sections while surrounding the joint sections of pipes 1, 2; a lock screw 6 mounted on the hydraulic test device body 3, abutting to the external surface of the pipe 1 for preventing the hydraulic test device body 3 from getting out; seal means 8 and 9 for sealing the internal space of the hydraulic testing device body 3 surrounding the joint section; and a hole 16 capable of introducing the pressurized water into the hydraulic testing device body 3. COPYRIGHT: (C)2008,JPO&INPIT
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