Global Patent Index - EP 1098065 A1

EP 1098065 A1 20010509 - Method for drilling a tunnel

Title (en)

Method for drilling a tunnel

Title (de)

Verfahren zum Bohren eines Tunnels

Title (fr)

Procédé de creusement d'un tunnel

Publication

EP 1098065 A1 20010509 (EN)

Application

EP 00203798 A 20001101

Priority

  • NL 1013459 A 19991102
  • NL 1016496 A 20001030

Abstract (en)

Method of making a tunnel tube with the aid of a tunnel drilling device, particularly for car or train traffic, with a diameter of preferably 3m to a minimum, particularly at least partly below the local ground water level in sandy soil or another relatively easy processable underground, such as clay, peat, gravel or mixtures of these soil types, by initially making one or more at least substantially parallel guide or pilot drillings which are subsequently followed by the tunnel drilling device. <IMAGE>

IPC 1-7

E21B 7/28; E21D 9/04; E21D 9/02

IPC 8 full level

E21B 7/28 (2006.01); E21D 9/02 (2006.01); E21D 9/04 (2006.01); E21D 9/08 (2006.01)

CPC (source: EP)

E21B 7/28 (2013.01); E21D 9/02 (2013.01); E21D 9/04 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

DOCDB simple family (publication)

EP 1098065 A1 20010509; NL 1016496 A1 20010503; NL 1016496 C2 20010606

DOCDB simple family (application)

EP 00203798 A 20001101; NL 1016496 A 20001030