| 摘要 |
The invention relates to a line duct for sealing a wall opening through which a line passes, comprising an elastomer body with a series of layers surrounding the line. The elastomer body and the series of layers are made up here of a number of respective one-piece elastomer body parts (2a, b, c, d) with shells (4a, b, c, d), according to the invention there being arranged between the shells (4a, b, c, d) of an elastomer body part (2a, b, c, d) at least two shells (4a, b, c, d) of other elastomer body parts (2a, b, c, d). |
