(19)

(11)

EP 2 585 767 A2

(12)

(88) Date of publication A3: 12.04.2012 (43) Date of publication: 01.05.2013 Bulletin 2013/18 (21) Application number: 11718768.2 (22) Date of filing: 29.03.2011

(51) International Patent Classification (IPC):  F24F 12/00(2006.01) F25B 30/02(2006.01) (86) International application number: PCT/GB2011/050645 (87) International publication number: WO 2012/001379 (05.01.2012 Gazette 2012/01)

(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: 28.06.2010 GB 201010759 (71) Applicant: Smith's Environmental Products Limited Chelmsford Essex CM3 5UW (GB)	(72) Inventor: WEBSTER, Gary, Stanton Bicknacre, Essex CM3 4EZ (GB) (74) Representative: Sanderson & Co.  34 East Stockwell Street Colchester, Essex CO1 1ST Colchester, Essex CO1 1ST (GB)