(19)

(11)

EP 1 805 375 A1

(12)

(43) Date of publication: 11.07.2007 Bulletin 2007/28 (21) Application number: 05726894.8 (22) Date of filing: 03.03.2005

(51) International Patent Classification (IPC):  E02D 29/02(2006.01) (86) International application number: PCT/KR2005/000584 (87) International publication number: WO 2006/043739 (27.04.2006 Gazette 2006/17)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR (30) Priority: 19.10.2004 KR 20040029493 U 24.12.2004 KR 20040111929 (71) Applicant: Lee, Jeung Su Gunpo-si Gyunggi-do 435-740 (KR)	(72) Inventor: Lee, Jeung Su Gunpo-si Gyunggi-do 435-740 (KR) (74) Representative: Thacker, Darran Ainsley  Serjeants, 25 The Crescent, King Street Leicester LE1 6RX Leicester LE1 6RX (GB)