(19)

(11)

EP 1 401 539 A1

(12)

(43) Date of publication: 31.03.2004 Bulletin 2004/14 (21) Application number: 02728245.8 (22) Date of filing: 17.05.2002

(51) International Patent Classification (IPC)7: A63B 23/02 (86) International application number: PCT/KR2002/000927 (87) International publication number: WO 2002/094387 (28.11.2002 Gazette 2002/48)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 23.05.2001 KR 2001028530 (71) Applicant: Kweon, Gu Beom Yangsan-si 626-860,Gyeongsangnam-do (KR)	(72) Inventor: Kweon, Gu Beom Yangsan-si 626-860,Gyeongsangnam-do (KR) (74) Representative: McKelvey, Ian Edward  Serjeants,25 The Crescent,King Street Leicester LE1 6RX Leicester LE1 6RX (GB)