Patent ID: 6434904
Filing Date: 2002-08-20
Classification: E21D

Abstract:
A sealing device comprising:two contiguous construction elements made from a material selected from the group consisting of concrete, steel, reinforced concrete and cast iron, each element having a recess, two shaped sealing elements made of elastomer material inserted one into each recess of said construction elements, each shaped sealing element being shaped in the form of a strand and bridging a gap between the construction elements in a sealing manner, each sealing element forming a sealing frame with corners, wherein the shaped sealing element has fluted grooves, said grooves being arranged on a base side of the shaped element, and wherein the shaped sealing element also has channels extending between the fluted grooves and a face side of the shaped element; wherein each construction element comprises segments assembled to a tube-like tunnel with formation of transverse and longitudinal joints, each one of said segments having a recess comprising segment joint sides and comprising two outer flanks and a base side; wherein the recess has within a center zone of its base side a support for the shaped sealing element, said support extending in the form of a strand in a direction of the joint side and forming two parallel extending recesses, each parallel extending recess comprising an outer flank, an inner flank and a base side, wherein the sealing element comprises a first shaped body situated in each parallel extending recess, said shaped bodies being connected with each other by a second shaped body situated above the support, said second shaped body having a different geometry as compared to said first shaped bodies.