Global Patent Index - EP 1098065 A1

EP 1098065 A1 2001-05-09 - 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 (EN)

Application

EP 00203798 A

Priority

  • NL 1013459 A
  • NL 1016496 A

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 (main, further and additional classification)

E21B 7/28; E21D 9/02; E21D 9/04

IPC 8 full level (invention and additional information)

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

CPC (invention and additional information)

E21D 9/02 (2013.01); E21B 7/28 (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

EPO simple patent family

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

INPADOC legal status


2002-10-09 [18D] APPLICATION DEEMED TO BE WITHDRAWN

- Effective date: 20011110

2002-03-14 [REG DE 8566] DESIGNATED COUNTRY DE NOT LONGER VALID

2002-01-30 [AKX] PAYMENT OF DESIGNATION FEES

2001-05-09 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

2001-05-09 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO:

- Free text: AL;LT;LV;MK;RO;SI