device for the passage of a tube held at least through a wall, with investment to cash in the wall tube

摘要

The invention relates to a tube passage composed of a protective sheath to be set into a wall, surrounding, at a distance, the tube to be passed into the wall, one seal at least being provided between the tube and the protective sheath. Provision is made for the seal 4 to comprise at least one ring 13, 13', 13'' which may be removed, and for pressure flanges 7, 7' to be able to be placed on each side of the remaining section 4' of the seal 4, by means of which pressure flanges this section 4' may be compressed and widened in the radial direction. IMAGE