Global Patent Index - EP 0186921 B1

EP 0186921 B1 19880907 - DEVICE FOR THE CONSTRUCTION OF A VERTICAL CHANNEL IN THE SOIL

Title (en)

DEVICE FOR THE CONSTRUCTION OF A VERTICAL CHANNEL IN THE SOIL

Publication

EP 0186921 B1 19880907 (EN)

Application

EP 85201964 A 19851125

Priority

NL 8403641 A 19841129

Abstract (en)

[origin: EP0186921A1] The invention deals the manufacturing of a wall in the sail by digging a channel (2) which is filled with bentonite (1) prior to being filled with concrete which channel by means of a former (5), which fits closely against the side walls (12) of the channel, is separated in an upstream portion filled with bentonite and a downstream portion filled with water and containing the ground mill (14) for cutting the soil and a pump (19) for removing water and soil, preferably two formers (5,5') are used which in turn are placed forwardly with the advancement of the channel, each former (5,5') having inflatable seals (10), morever a tube (16) can be provided above the ground mill (14) and with a water column (24) above it.

IPC 1-7

E02D 19/18

IPC 8 full level

E02D 17/13 (2006.01); E02D 19/18 (2006.01); E02F 3/20 (2006.01)

CPC (source: EP)

E02D 17/13 (2013.01); E02D 19/18 (2013.01); E02F 3/205 (2013.01)

Designated contracting state (EPC)

BE DE GB NL

DOCDB simple family (publication)

EP 0186921 A1 19860709; EP 0186921 B1 19880907; DE 3564837 D1 19881013; NL 8403641 A 19860616

DOCDB simple family (application)

EP 85201964 A 19851125; DE 3564837 T 19851125; NL 8403641 A 19841129