(19)

(11)

EP 1 157 180 A1

(12)

(43) Date of publication: 28.11.2001 Bulletin 2001/48 (21) Application number: 99962511.4 (22) Date of filing: 22.12.1999

(51) International Patent Classification (IPC)7: E04H 15/48 (86) International application number: PCT/KR9900/801 (87) International publication number: WO 0127/417 (19.04.2001 Gazette 2001/16)

(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: 09.10.1999 KR 9943650 (71) Applicants: Park, Jong-Wha Seoul 143-200 (KR) Tae, Jae-Il Anyang-shi,Kyunggi-do 431-065 (KR)	(72) Inventors: Park, Jong-Wha Seoul 143-200 (KR) Tae, Jae-Il Anyang-shi,Kyunggi-do 431-065 (KR) (74) Representative: Phillips, Patricia Marie et al Wilson Gunn M'Caw,41-51 Royal Exchange,Cross Street Manchester M2 7BD Manchester M2 7BD (GB)