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(11)

EP 1 756 371 A1

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(43) Date of publication: 28.02.2007 Bulletin 2007/09 (21) Application number: 05740781.9 (22) Date of filing: 20.05.2005

(51) International Patent Classification (IPC):  E02F 3/38(2006.01) (86) International application number: PCT/KR2005/001483 (87) International publication number: WO 2005/113903 (01.12.2005 Gazette 2005/48)

(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: 21.05.2004 KR 2004036541 (71) Applicant: Joo, Il-Hwan Jungeup 580-924 (KR)	(72) Inventor: Joo, Il-Hwan Jungeup 580-924 (KR) (74) Representative: Winkler, Andreas Fritz Ernst  FORRESTER & BOEHMERT Pettenkoferstrasse 20-22 80336 München 80336 München (DE)