(19)

(11)

EP 2 219 835 A1

(12)

(43) Date of publication: 25.08.2010 Bulletin 2010/34 (21) Application number: 07855085.2 (22) Date of filing: 12.12.2007

(51) International Patent Classification (IPC):  B26F 1/02(2006.01) B26D 5/08(2006.01) (86) International application number: PCT/US2007/087157 (87) International publication number: WO 2009/075679 (18.06.2009 Gazette 2009/25)

(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 MT NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK RS (71) Applicant: ACCO Brands USA LLC Lincolnshire, IL 60090-3640 (US)	(72) Inventor: LIU, Rong Vernon Hills IL 60061 (US) (74) Representative: Beattie, Alex Thomas Stewart  Forrester & Boehmert Pettenkoferstrasse 20-22 80336 München 80336 München (DE)