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(11)

EP 1 009 892 A2

(12)

(88) Date of publication A3: 10.02.2000 (43) Date of publication: 21.06.2000 Bulletin 2000/25 (21) Application number: 98935368.5 (22) Date of filing: 20.07.1998

(51) International Patent Classification (IPC)7: E04C 3/34, E04C 3/36, E04C 5/00 (86) International application number: PCT/KR9800/217 (87) International publication number: WO 9905/380 (04.02.1999 Gazette 1999/05)

(84) Designated Contracting States: AT BE DE DK ES FR GB GR IT NL PT SE (30) Priority: 21.07.1997 KR 9733982 (71) Applicant: Kim, Joong Shik Seodaemoon-ku, Seoul 120-113 (KR)	(72) Inventor: Kim, Joong Shik Seodaemoon-ku, Seoul 120-113 (KR) (74) Representative: von Samson-Himmelstjerna, Friedrich R., Dipl.-Phys. et al SAMSON & PARTNERWidenmayerstrasse 5 80538 München 80538 München (DE)