(19)

(11)

EP 1 171 668 A1

(12)

(43) Date of publication: 16.01.2002 Bulletin 2002/03 (21) Application number: 00916714.9 (22) Date of filing: 07.04.2000

(51) International Patent Classification (IPC)7: E02D 29/02 (86) International application number: PCT/CA0000/370 (87) International publication number: WO 0061/880 (19.10.2000 Gazette 2000/42)

(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: 08.04.1999 CA 2268509 19.01.2000 KR 2000002413 (71) Applicants: Beon Top Enterprises Ltd. Vancouver, British Columbia V6C 3E1 (CA) Versa-Lok Asia Inc. Singapore 068805 (SG)	(72) Inventor: KIM, Hun S.,Suite 519 Vancouver,British Columbia V6C 3E1 (CA) (74) Representative: Rickard, Timothy Mark Adrian  Moon Beever 24-26 Bloomsbury Square London WC1A 2PL London WC1A 2PL (GB)