(19)

(11)

EP 2 524 378 A1

(12)

(43) Date of publication: 21.11.2012 Bulletin 2012/47 (21) Application number: 11701289.8 (22) Date of filing: 12.01.2011

(51) International Patent Classification (IPC):  G21C 19/42(2006.01) G21F 9/28(2006.01) G21F 9/04(2006.01) (86) International application number: PCT/GB2011/000038 (87) International publication number: WO 2011/086351 (21.07.2011 Gazette 2011/29)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (30) Priority: 13.01.2010 GB 201000552 (71) Applicant: VWB S.À.R.L. 2086 Luxembourg (LU)	(72) Inventors: VAN WALLENBURG, Andrea Christine 64110 Jurancon (FR) BROWN, Stuart Cameron Reading, Berkshire RG2 0DX (GB) (74) Representative: Ponder, William Anthony John  Reddie & Grose LLP 16 Theobalds Road London WC1X 8PL London WC1X 8PL (GB)