(19)

(11)

EP 2 152 449 A1

(12)

(43) Date of publication: 17.02.2010 Bulletin 2010/07 (21) Application number: 08746508.4 (22) Date of filing: 22.04.2008

(51) International Patent Classification (IPC):  B21F 1/00(2006.01) (86) International application number: PCT/US2008/061101 (87) International publication number: WO 2008/134295 (06.11.2008 Gazette 2008/45)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA MK RS (30) Priority: 27.04.2007 US 926613 P (71) Applicant: Tyco Healthcare Group LP North Haven, CT 06473 (US)	(72) Inventor: BOURSET, Fabien F-38000 Grenoble (FR) (74) Representative: Soames, Candida Jane  Edwards Angell Palmer & Dodge Innovations LLP 10 Carlton Crescent Southampton SO15 2EZ Southampton SO15 2EZ (GB)