| 摘要 |
PCT No. PCT/GB96/00822 Sec. 371 Date May 28, 1998 Sec. 102(e) Date May 28, 1998 PCT Filed Apr. 3, 1996 PCT Pub. No. WO96/31726 PCT Pub. Date Oct. 10, 1996A seal is fed into an existing pipe. Manipulation of an elongate assembly deploys the seal and engages the seal body with the end of the pipe. A plastic pipe is advanced into the pipe, and the space between the existing pipe and the plastic pipe is filled with sealant. The elongate assembly is withdrawn.
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