| 摘要 |
A system for sealing a space between an inner wall of a tubular opening and at least one tube or duct at least partly received in the opening such that a longitudinal direction of the opening and a longitudinal direction of the at least one tube or duct are substantially parallel to each other, wherein the system comprises at least two segmental longitudinal parts for forming a sealing plug which can be received in said space, wherein the longitudinal parts are each provided with a number of outer ribs and a number of inner ribs, wherein the inner ribs are adjacent each other in the longitudinal direction. |
