| 摘要 |
The joint leak tester for welded pipes comprises two plugs (20,30) at the end of a central tubular zone (10) with pressurized liquid or gas input holes (11). Seals on the plugs (20,30) to isolate the test chamber (102) traversed by the zone (10). The liquid or gas is removed from the pipe after the test. An Independent claim is included for a process for utilizing a joint leak tester. The process employs |
