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(11)

EP 2 237 903 A2

(12)

(88) Date of publication A3: 22.10.2009 (43) Date of publication: 13.10.2010 Bulletin 2010/41 (21) Application number: 08862508.2 (22) Date of filing: 15.12.2008

(51) International Patent Classification (IPC):  B21D 11/22(2006.01) B21D 43/00(2006.01) B21D 11/00(2006.01) B21D 5/00(2006.01) (86) International application number: PCT/NZ2008/000335 (87) International publication number: WO 2009/078739 (25.06.2009 Gazette 2009/26)

(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: 18.12.2007 NZ 56457007 (71) Applicant: Scott Technology Limited Dunedin (NZ)	(72) Inventors: AIMERS, Richard James Mosgiel (NZ) GRIMSHAW, Bryan Gordan Christchurch (NZ) (74) Representative: Roberts, Gwilym Vaughan et al Kilburn & Strode LLP 20 Red Lion Street GB-London WC1R 4PJ GB-London WC1R 4PJ (GB)