(19)

(11)

EP 1 028 835 A2

(12)

(88) Date of publication A3: 08.05.2000 (43) Date of publication: 23.08.2000 Bulletin 2000/34 (21) Application number: 99935157.0 (22) Date of filing: 04.08.1999

(51) International Patent Classification (IPC)7: B26D 1/00 (86) International application number: PCT/KR9900/428 (87) International publication number: WO 0007/783 (17.02.2000 Gazette 2000/07)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 07.08.1998 KR 9832179 (71) Applicant: Cho, Youngkeun Yusung-ku,Daejeon 305-390 (KR)	(72) Inventors: CHO, Youngkeun Yusung-kuDaejeon 305-390 (KR) KIM, Myungseok Yusung-kuDaejeon 305-333 (KR) (74) Representative: Hoffmann, Jörg Peter, Dr. Ing.  Müller & HoffmannPatentanwälteInnere Wiener Strasse 17 81667 München 81667 München (DE)