(19)

(11)

EP 2 225 506 A2

(12)

(88) Date of publication A3: 24.09.2009 (43) Date of publication: 08.09.2010 Bulletin 2010/36 (21) Application number: 08850505.2 (22) Date of filing: 17.11.2008

(51) International Patent Classification (IPC):  F25D 3/08(2006.01) (86) International application number: PCT/GB2008/051074 (87) International publication number: WO 2009/063252 (22.05.2009 Gazette 2009/21)

(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: 16.11.2007 GB 0722499 (71) Applicant: Spratley, David Derek Grant Richmond, Surrey TW9 1PE (GB)	(72) Inventor: Spratley, David Derek Grant Richmond, Surrey TW9 1PE (GB) (74) Representative: Davies, Elliott  Chapman Molony Cardiff Business Techn. Centre Senghennydd Road Cardiff CF24 4AY Cardiff CF24 4AY (GB)