(19)

(11)

EP 2 583 047 A2

(12)

(88) Date of publication A3: 18.05.2012 (43) Date of publication: 24.04.2013 Bulletin 2013/17 (21) Application number: 11728917.3 (22) Date of filing: 20.06.2011

(51) International Patent Classification (IPC):  F28D 15/02(2006.01) F28F 27/00(2006.01) F28F 13/12(2006.01) F28D 15/06(2006.01) (86) International application number: PCT/GB2011/000928 (87) International publication number: WO 2011/158008 (22.12.2011 Gazette 2011/51)

(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: 15.09.2010 GB 201015435 18.06.2010 GB 201010308 (71) Applicants: Hammerbeck, John Philip Roger London SW3 2PU (GB) Pullen, Keith Robert London EC1V 0HB (GB)	(72) Inventors: READ, Matthew, Gordon Acton London W3 9AJ (GB) HAMMERBECK, John Philip Roger London SW3 2PU (GB) PULLEN, Keith Robert London EC1V 0HB (GB) (74) Representative: Roberts, Gwilym Vaughan et al Kilburn & Strode LLP 20 Red Lion Street London WC1R 4PJ London WC1R 4PJ (GB)