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(11)

EP 1 207 770 A1

(12)

(43) Date of publication: 29.05.2002 Bulletin 2002/22 (21) Application number: 00959353.4 (22) Date of filing: 24.08.2000

(51) International Patent Classification (IPC)7: A47C 31/02 (86) International application number: PCT/US0023/261 (87) International publication number: WO 0115/575 (08.03.2001 Gazette 2001/10)

(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: 30.08.1999 JP 24331299 (71) Applicant: 3M Innovative Properties Company Saint Paul, MN 55133-3427 (US)	(72) Inventor: SAWAJIRI, Osamu Kanagawa 228-0802 (JP) (74) Representative: Hilleringmann, Jochen, Dipl.-Ing. et al Patentanwältevon Kreisler-Selting-Werner,Bahnhofsvorplatz 1 (Deichmannhaus) 50667 Köln 50667 Köln (DE)