(19)

(11)

EP 2 167 292 A1

(12)

(43) Date of publication: 31.03.2010 Bulletin 2010/13 (21) Application number: 07812936.8 (22) Date of filing: 13.07.2007

(51) International Patent Classification (IPC):  B26F 1/02(2006.01) B26F 1/00(2006.01) (86) International application number: PCT/US2007/073519 (87) International publication number: WO 2009/011693 (22.01.2009 Gazette 2009/04)

(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) Applicants: Accentra, Inc. Newtown, PA 18940 (US) Hermance, Benjamin Worcester, MA 01606 (US)	(72) Inventor: CHURA, William Medford, Massachusetts 02155 (US) (74) Representative: Hallam, Arnold Vincent  Marks & Clerk LLP Alpha Tower Suffolk Street Queensway Birmingham B1 1TT Birmingham B1 1TT (GB)