| 摘要 |
<p>A method and an apparatus for waterproofing and gastightening a cable or tube passage (9) in a wall (11) or the like, using a foamable synthetic resin (8). A box-shaped or cover-shaped element, e.g. a cap (1, 2) is attached to one side of the wall, after which through an opening in cap (1, 2) the foamable resin (8) is supplied therein and the opening is stopped. The cap (1, 2) may consist of two parts (1, 2) and the two parts may be provided with rupturable closures or closable openings.</p> |
