(19)
(11) EP 1 186 742 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
13.10.2004 Bulletin 2004/42

(43) Date of publication A2:
13.03.2002 Bulletin 2002/11

(21) Application number: 01202368.5

(22) Date of filing: 01.07.1998
(51) International Patent Classification (IPC)7: E21D 9/00, E21B 7/30, E21D 11/10, E21B 7/20, E21D 13/00, E21B 7/26, E21D 9/10
(84) Designated Contracting States:
BE DE DK FR GB NL SE

(30) Priority: 11.07.1997 EP 97202177

(62) Application number of the earlier application in accordance with Art. 76 EPC:
98202205.5 / 0890708

(71) Applicant: Heerema Holding Construction Inc.
1206 Geneva (CH)

(72) Inventors:
  • Lammertink, Marinus Christiaan
    2518 GH Den Haag (NL)
  • van Voorden, Rutger Christiaan
    3334 CV Zwijndrecht (NL)
  • Broeder, René
    4102 JT Culemborg (NL)

(74) Representative: Mertens, Hans Victor 
van Exter Polak & Charlouis B.V., P.O. Box 3241
2280 GE Rijswijk
2280 GE Rijswijk (NL)

   


(54) Method, system and device for building a wall in the ground


(57) In a method and device for building a wall (43; 120; 150, 152, 154; 156, 158; 160; 160a, 160b; 161a; 162; 170, 172; 192, 192a-192i; 234; 252) or a part thereof in the ground (2), the method comprises pulling the wall building device (30; 60; 110; 160c; 178; 222, 222a-222d) through the ground. The ground adjacent the wall is left substantially intact. The wall building device has cross-sectional dimensions being substantially equal to the dimensions of at least a part of the cross-section of the wall or wall part. The wall or wall part is formed by injecting a hardenable material (44) behind the wall building device. The ground in the area adjacent the front part of the wall building device is removed and discharged.






Search report