(19)

(11)

EP 2 614 311 A2

(12)

(88) Date of publication A3: 13.06.2013 (43) Date of publication: 17.07.2013 Bulletin 2013/29 (21) Application number: 10787158.4 (22) Date of filing: 22.06.2010

(51) International Patent Classification (IPC):  F24D 11/00(2006.01) F24J 2/26(2006.01) H01L 31/058(2006.01) F24D 11/02(2006.01) F24J 2/48(2006.01) F24D 19/00(2006.01) (86) International application number: PCT/GB2010/051028 (87) International publication number: WO 2010/150006 (29.12.2010 Gazette 2010/52)

(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 SE SI SK SM TR (30) Priority: 23.06.2009 GB 0910819 (71) Applicant: Smith's Environmental Products Limited Chelmsford Essex CM3 5UW (GB)	(72) Inventors: WEBSTER, Gary Stanton Essex CM3 4EZ (GB) STANLEY, Jeremy James Essex SS15 4AS (GB) (74) Representative: Sanderson & Co.  34 East Stockwell Street Colchester, Essex CO1 1ST Colchester, Essex CO1 1ST (GB)