(19)

(11)

EP 1 266 501 A1

(12)

(43) Date of publication: 18.12.2002 Bulletin 2002/51 (21) Application number: 01915117.4 (22) Date of filing: 23.03.2001

(51) International Patent Classification (IPC)7: H04L 29/06 (86) International application number: PCT/DK0100/201 (87) International publication number: WO 0107/4025 (04.10.2001 Gazette 2001/40)

(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: 24.03.2000 DK 200000509 (71) Applicant: Nilfisk-Advance A/S 2605 Bröndby (DK)	(72) Inventors: HOLM, Torben, Momme DK-4180 Sor (DK) KASTALAG, Túmmas DK-2620 Albertslund (DK) LARSEN, Peter, N hr DK-2400 Copenhagen NV (DK) (74) Representative: Elmeros, Claus  Patentgruppen ApS,Arosgaarden,Aaboulevarden 31 8000 Aarhus C 8000 Aarhus C (DK)