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EP 1 199 970 A1

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(43) Date of publication: 02.05.2002 Bulletin 2002/18 (21) Application number: 00911463.8 (22) Date of filing: 16.03.2000

(51) International Patent Classification (IPC)7: A47L 9/16, B04C 3/00, B04C 7/00 (86) International application number: PCT/KR0000/221 (87) International publication number: WO 0074/548 (14.12.2000 Gazette 2000/50)

(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: 04.06.1999 KR 9920714 19.08.1999 KR 9934467 08.09.1999 KR 9938110 (71) Applicant: LG ELECTRONICS INC. Seoul 150-010 (KR)

(72) Inventors: An, Hyeok Seong Changwon-shi,Kyongsangnam-do 641-010 (KR) Lim, Kyeong Seok Changwon-shi,Kyongsangnam-do 641-091 (KR) Kwak, Dong Jin Changwon-shi,Kyongsangnam-do 641-170 (KR) Lee, Kun Hyeong Suyong-ku,Pusankwangyok-shi 613-104 (KR) Yun, In Cheol Songpa-gu,Seoul 138-738 (KR) Lee, Seong Hwa Changwon-shi,Kyongsangnam-do 641-010 (KR) (74) Representative: McLeish, Nicholas Alistair Maxwell et al Boult Wade TennantVerulam Gardens70 Gray's Inn Road London WC1X 8BT London WC1X 8BT (GB)