(19)

(11)

EP 2 641 010 A2

(12)

(88) Date of publication A3: 12.07.2012 (43) Date of publication: 25.09.2013 Bulletin 2013/39 (21) Application number: 11782668.5 (22) Date of filing: 09.11.2011

(51) International Patent Classification (IPC):  F17C 1/00(2006.01) (86) International application number: PCT/GB2011/052179 (87) International publication number: WO 2012/066307 (24.05.2012 Gazette 2012/21)

(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: 15.11.2010 GB 201019235 (71) Applicant: Carr, Roger Norwich NR4 6AP (GB)	(72) Inventor: Carr, Roger Norwich NR4 6AP (GB) (74) Representative: Forsyth, Helen Jane  Nash Matthews 90-92 Regent Street Cambridge, CB2 1DP Cambridge, CB2 1DP (GB)