(19)

(11)

EP 1 929 198 A2

(12)

(88) Date of publication A3: 10.05.2007 (43) Date of publication: 11.06.2008 Bulletin 2008/24 (21) Application number: 06779152.5 (22) Date of filing: 18.08.2006

(51) International Patent Classification (IPC):  F21K 7/00(2006.01) (86) International application number: PCT/GB2006/003080 (87) International publication number: WO 2007/023261 (01.03.2007 Gazette 2007/09)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR (30) Priority: 24.08.2005 GB 0517316 15.02.2006 GB 0602990 (71) Applicant: Morton, Graham Lancashire BL5 2RU (GB)	(72) Inventor: Morton, Graham Lancashire BL5 2RU (GB) (74) Representative: Harrison Goddard Foote  Orlando House 11c Compstall Road Marple Bridge Stockport SK6 5HH Stockport SK6 5HH (GB)