(19)

(11)

EP 1 664 451 A1

(12)

(43) Date of publication: 07.06.2006 Bulletin 2006/23 (21) Application number: 04774429.7 (22) Date of filing: 28.08.2004

(51) International Patent Classification (IPC):  E04C 1/40(1968.09) (86) International application number: PCT/KR2004/002168 (87) International publication number: WO 2005/021885 (10.03.2005 Gazette 2005/10)

(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 PL PT RO SE SI SK TR (30) Priority: 28.08.2003 KR 2003059757 (71) Applicant: JGB Co., Ltd. Incheon (KR)	(72) Inventor: GU, Kyung Hoi Incheon 404-170 (KR) (74) Representative: Henhapel, Bernhard  Patentanwalt, Kliment & Henhapel, Singerstrasse 8/3/8 1010 Wien 1010 Wien (AT)