(19)

(11)

EP 2 047 193 A2

(12)

(43) Date of publication: 15.04.2009 Bulletin 2009/16 (21) Application number: 07733353.2 (22) Date of filing: 25.06.2007

(51) International Patent Classification (IPC):  F25J 1/02(2006.01) (86) International application number: PCT/GB2007/002358 (87) International publication number: WO 2007/148122 (27.12.2007 Gazette 2007/52)

(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 MT NL PL PT RO SE SI SK TR (30) Priority: 23.06.2006 GB 0612479 28.06.2006 GB 0612728 (71) Applicant: T Baden Hardstaff Limited Kingston-on-Soar Nottingham NG11 0DF (GB)	(72) Inventor: SADLER, Jeffrey David Burbage Leicestershire LE10 2EG (GB) (74) Representative: Johnstone, Helen Margaret  Potter Clarkson LLP Park View House 58 The Ropewalk Nottingham NG1 5DD Nottingham NG1 5DD (GB)