(19)
(11) EP 1 552 109 A2

(12)

(88) Date of publication A3:
17.06.2004

(43) Date of publication:
13.07.2005 Bulletin 2005/28

(21) Application number: 03751725.7

(22) Date of filing: 26.09.2003
(51) International Patent Classification (IPC)7E21D 9/08, E21D 9/10
(86) International application number:
PCT/SK2003/000017
(87) International publication number:
WO 2004/029413 (08.04.2004 Gazette 2004/15)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR

(30) Priority: 26.09.2002 SK 13882002

(71) Applicant: Krcik, Marian
972 01 Bojnice (SK)

(72) Inventor:
  • Krcik, Marian
    972 01 Bojnice (SK)

(74) Representative: Filipek, Jan 
Mudrochova 15
831 06 Bratislava
831 06 Bratislava (SK)

   


(54) SHIELD TUNNELING METHOD AND APPARATUS FOR EXCAVATING A TUNNEL OF NON-CIRCULAR CROSS SECTION