(19)

(11)

EP 1 530 661 A1

(12)

(43) Date of publication: 18.05.2005 Bulletin 2005/20 (21) Application number: 03737801.5 (22) Date of filing: 25.06.2003

(51) International Patent Classification (IPC)7: E01C 3/06, E02D 27/35, F16L 1/026 (86) International application number: PCT/CA2003/000959 (87) International publication number: WO 2004/005621 (15.01.2004 Gazette 2004/03)

(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 Designated Extension States: AL LT LV MK (30) Priority: 02.07.2002 CA 2390653 04.10.2002 US 263715 (71) Applicant: Uretek Worldwide Oy 33100 Tampere (FI)	(72) Inventor: MOROSCHAN, Casey Alberta T6J 2M1 (CA) (74) Representative: Shanks, Andrew et al Marks & Clerk Scotland19 Royal Exchange Square Glasgow G1 3AE Glasgow G1 3AE (GB)