(19)

(11)

EP 0 820 386 A1

(12)

(43) Date of publication: 28.01.1998 Bulletin 1998/05 (21) Application number: 96907044.0 (22) Date of filing: 13.02.1996

(51) International Patent Classification (IPC):  B42D 1/ 00( . ) B42D 5/ 00( . ) (86) International application number: PCT/US1996/001858 (87) International publication number: WO 1996/031353 (10.10.1996 Gazette 1996/45)

(84) Designated Contracting States: DE FR GB IT (30) Priority: 04.04.1995 US 19950416202 (71) Applicant: MINNESOTA MINING AND MANUFACTURING COMPANY St. Paul, Minnesota 55133-3427 (US)	(72) Inventors: SAMDAHL, Lisa, M. Saint Paul, MN 55133-3427 (US) MERTENS, Timothy, A. Saint Paul, MN 55133-3427 (US) (74) Representative: Hilleringmann, Jochen, Dipl.-Ing., et al  Patentanwälte von Kreisler-Selting-Werner, Bahnhofsvorplatz 1 (Deichmannhaus) 50667 Köln 50667 Köln (DE)