(19)
(11) EP 1 094 198 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
11.02.2004 Bulletin 2004/07

(43) Date of publication A2:
25.04.2001 Bulletin 2001/17

(21) Application number: 00870241.7

(22) Date of filing: 23.10.2000
(51) International Patent Classification (IPC)7: E21D 11/10
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 21.10.1999 BE 9900695

(71) Applicant: Smet-Tunnelling
2480 Dessel (BE)

(72) Inventor:
  • Kips, Paul
    2470 Retie (BE)

(74) Representative: Luys, Marie-José A.H. et al
Gevers & Vander Haeghen, Intellectual Property House, Brussels Airport Business Park Holidaystraat 5
1831 Diegem
1831 Diegem (BE)

   


(54) A method for drilling an underground tunnel


(57) The invention relates to a method and a device (1) for drilling an underground tunnel (35) with a tunnel wall (33), the device (1) comprising a drill head (2) for drilling ground and a driving (7) for driving the drill head (2). The device comprises a coating device (20) for forming a casing (32) for the tunnel wall (33), the coating device (20) comprising a formwork (34) with an outer face (36) facing the tunnel wall (33) and a device for supplying a coating material in a viscous state to an ejection nozzle (39) for ejecting the coating material in a space between the tunnel wall (33) and the outer face (36) of the formwork (34), the ejection nozzle (39) being rotatably mounted to allow the casing to be applied against at least part of the tunnel wall (33). The drilling device (1) further comprises an expandable gripping device (10) for pushing the drilling device off against the tunnel wall (33).









Search report