| 摘要 |
A seal assembly for sealingly coupling a carrier pipe to a head wall comprising a reducer bushing and coupling sheet. The reducer bushing includes a circular seat with a circumference. The coupling sheet has first and second longitudinal ends, first and second sides, and a sheet length extending between the first and second ends. The sheet length at the second side being approximately equal to the circumference of the bushing seat. Selected embodiments of the invention also include a connector that is adapted to secure the first and second ends of the coupling sheet to one another. The invention is also directed to a sealed pipe structure including a head wall, a carrier pipe extending outwardly from the head wall, and the pipe seal assembly. Finally, the invention includes a method for sealing a carrier pipe to a head wall.
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