(19)

(11)

EP 1 943 066 A1

(12)

(43) Date of publication: 16.07.2008 Bulletin 2008/29 (21) Application number: 06803518.7 (22) Date of filing: 13.09.2006

(51) International Patent Classification (IPC):  B26D 3/08(2006.01) (86) International application number: PCT/US2006/035703 (87) International publication number: WO 2007/035373 (29.03.2007 Gazette 2007/13)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR (30) Priority: 16.09.2005 US 228374 (71) Applicant: 3M Innovative Properties Company Saint Paul, MN 55133-3427 (US)	(72) Inventor: VELASQUEZ, UREY, Ruben, E. Saint Paul, Minnesota 55133-3427 (US) (74) Representative: Hilleringmann, Jochen  Patentanwälte Von Kreisler-Selting-Werner, Bahnhofsvorplatz 1 (Deichmannhaus am Dom) 50667 Köln 50667 Köln (DE)