Apparatus for preventing the penetration of rainwater or the like, to a separating section in a concrete structure

摘要

A plug for closing an opening in a concrete structure, particularly an opening of a partition portion of the concrete structure, wherein the plug a shaft (2) with a base (3) at the distal end and a on the shaft (2) sealing element which is provided in front of the base (4), wherein the sealing element (4) is made from a material having a lower hardness than the shaft (2) has, characterized in that the shank (2) made of an impact resistant synthetic material and that a free space (10) is defined between the distal end (11) of the sealing element (4) and the front side (12) of the base (3).