EP 0206371 B1 19880713 - CUTTER HEAD FOR ADVANCING PREFABRICATED CONCRETE PIPES FOR THE CONSTRUCTION OF GALLERIES OR TUNNELS
Title (en)
CUTTER HEAD FOR ADVANCING PREFABRICATED CONCRETE PIPES FOR THE CONSTRUCTION OF GALLERIES OR TUNNELS
Publication
Application
Priority
DE 3520796 A 19850611
Abstract (en)
[origin: EP0206371A1] 1. A cutter head for advancing prefabricated concrete pipes for the construction of galleries or tunnels, the concrete pipes being advanced in succession in the form of a continuous pipeline by a feed device from a pressure pit to a trench lined with vertical timbering panels and an uncleared part of the trench is cut by a tubular cutter head and the cut material is removed by an excavator, characterised in that the upper surface of the cutter head (2) is formed with an excavated-earth openning (12).
IPC 1-7
IPC 8 full level
E02D 17/08 (2006.01); E02D 29/05 (2006.01); E21D 9/00 (2006.01)
CPC (source: EP)
E02D 17/086 (2013.01); E02D 29/05 (2013.01); E21D 9/005 (2013.01)
Designated contracting state (EPC)
AT BE CH DE FR GB IT LI LU NL SE
DOCDB simple family (publication)
EP 0206371 A1 19861230; EP 0206371 B1 19880713; AT E35717 T1 19880715; DE 3660386 D1 19880818
DOCDB simple family (application)
EP 86200818 A 19860512; AT 86200818 T 19860512; DE 3660386 T 19860512