(19)

(11)

EP 1 348 097 A1

(12)

(43) Date of publication: 01.10.2003 Bulletin 2003/40 (21) Application number: 01998784.1 (22) Date of filing: 28.11.2001

(51) International Patent Classification (IPC)7: F26B 15/18, F26B 21/00 (86) International application number: PCT/GB0105/234 (87) International publication number: WO 0204/4637 (06.06.2002 Gazette 2002/23)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 01.12.2000 GB 0029401 (71) Applicant: O.N. Beck & Co. Ltd London N13 4AX (GB)	(72) Inventor: BECK, Clifford, Howard, Berthold London N13 4AX (GB) (74) Representative: Meddle, Alan Leonard et al Forrester & Boehmert Pettenkoferstrasse 20-22 80336 München 80336 München (DE)