Global Patent Index - EP 0190409 B1

EP 0190409 B1 19881019 - UNDERGROUND WALLS WITH IMPERMEABLE SHEETS

Title (en)

UNDERGROUND WALLS WITH IMPERMEABLE SHEETS

Publication

EP 0190409 B1 19881019 (DE)

Application

EP 85114254 A 19851108

Priority

DE 3504119 A 19850207

Abstract (en)

[origin: EP0190409A1] 1. Curtain walls, especially for civil engineering and tunnelling works, wherein firstly earth trenches are excavated and are filled with thixotropic material and then sealing elements (1) are lowered into the thixotropic material, these sealing elements, composed of plastics sheets, being furnished with connecting elements and the connecting elements consisting of tubes (2, 4) which can be pushed one into another and which are sealed (welded) to the plastics sheets, of which the outer tube comprises a longitudinal slit, characterized in that the outer tube (6) has on the inside furrows or grooves (6) and the inner tube (8) comprises ribs (9) fitting into the grooves (7).

IPC 1-7

E02D 19/18

IPC 8 full level

E02D 19/18 (2006.01)

CPC (source: EP)

E02D 19/18 (2013.01); E02D 19/185 (2013.01)

Designated contracting state (EPC)

AT BE CH DE FR GB IT LI NL SE

DOCDB simple family (publication)

EP 0190409 A1 19860813; EP 0190409 B1 19881019; AT E38066 T1 19881115; DE 3504119 A1 19860807; DE 3565700 D1 19881124

DOCDB simple family (application)

EP 85114254 A 19851108; AT 85114254 T 19851108; DE 3504119 A 19850207; DE 3565700 T 19851108