EP 1749943 B1 20150225 - System for the fabrication of one or more drainage tunnels
Title (en)
System for the fabrication of one or more drainage tunnels
Title (de)
System zur Herstellung eines oder mehrerer Sickertunnel
Title (fr)
Système pour la fabrication d'un ou plusieurs tunnels de drainage
Publication
Application
Priority
DE 202005012192 U 20050803
Abstract (en)
[origin: DE202005012192U1] The arc module (1) has an arc-shaped wall (2) that has longitudinal sides folded to form supports (4), and a subgrade level (7) formed on one edge. Stiffener ribs (5) with crimping openings (6) are formed on the surface of the arc module. The edges of the support are supported by stiffener fingers (11) against the wall.
IPC 8 full level
E03F 1/00 (2006.01); E02B 11/00 (2006.01); E21D 11/14 (2006.01)
CPC (source: EP)
E03F 1/003 (2013.01)
Designated contracting state (EPC)
AT DE FR GB
DOCDB simple family (publication)
DE 202005012192 U1 20051110; EP 1749943 A2 20070207; EP 1749943 A3 20101124; EP 1749943 B1 20150225
DOCDB simple family (application)
DE 202005012192 U 20050803; EP 06015996 A 20060801