Tube element with inspection opening for waste water pipes has cover element formed from stop body for insertion into inspection shaft wall, externally applied annular seal(s), flange that forms lateral collar on circumference of stop body

摘要

The device has an inspection opening enclosed by an inspection shaft wall (12) that can be closed by a cover element (20), whereby the cover element and the inspection shaft wall are not round. The cover element is formed at least from a stop body (26) for insertion into the inspection shaft wall with at least one externally applied annular seal (27) and a flange (24) that forms a lateral collar on at least part of the circumference of the stop body.