(19)

(11)

EP 1 402 118 A1

(12)

(43) Date of publication: 31.03.2004 Bulletin 2004/14 (21) Application number: 02751221.9 (22) Date of filing: 02.07.2002

(51) International Patent Classification (IPC)7: E01H 10/00, E01C 19/20 (86) International application number: PCT/FI2002/000593 (87) International publication number: WO 2003/004778 (16.01.2003 Gazette 2003/03)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 02.07.2001 FI 20011441 (71) Applicant: Salon Terästyö Oy 24100 Salo (FI)	(72) Inventor: LINDROOS, Jari FIN-24100 Salo (FI) (74) Representative: Nordin, Leif Göran  Turun Patenttitoimisto Oy,P.O. Box 99 20521 Turku 20521 Turku (FI)