Cover for manhole used in providing access to underground cables and pipes, has circumferential profile strip arranged between manhole lid and holding frame, and sealing cord inserted into circumferential groove formed on holding frame

摘要

The manhole cover has a circumferential profile strip (5) made of compact plastics, and arranged and held between a manhole lid (1) and a holding frame (2) when the manhole lid is attached to the holding frame. A cylindrical sealing cord (7), which is made of rubber-like material, is inserted into a circumferential groove (6) formed on the holding frame. The cylindrical sealing cord has a diameter that is larger than the depth of the circumferential groove.