| 摘要 |
A pipe-in assembly comprising an inner pipe unit (7) fixedly mounted within an outer pipe unit (6), each end of the inner pipe unit having a coupling means (3,4) for engagement with a complementary coupling means on an adjacent pipe-in-pipe assembly and arranged such that abutment of an end of the outer pipe unit with an end of the outer pipe unit of said adjacent pipe-in-pipe assembly brings the inner pipe coupling means of the adjacent assemblies into sealed engagement.
|
