(19)

(11)

EP 0 539 437 A1

(12)

(43) Date of publication: 05.05.1993 Bulletin 1993/18 (21) Application number: 91913049.0 (22) Date of filing: 12.07.1991

(51) International Patent Classification (IPC):  A23L 3/ 22( . ) F28D 11/ 02( . ) (86) International application number: PCT/GB1991/001159 (87) International publication number: WO 1992/001899 (06.02.1992 Gazette 1992/04)

(84) Designated Contracting States: DE GB NL SE (30) Priority: 16.07.1990 GB 19900015559 (71) Applicant: BECKSWIFT LIMITED London N22 6TP (GB)	(72) Inventor: MOSSE, Richard, Wolfgang, Emil London NW8 0QG (GB) (74) Representative: Smart, Peter John  W.H. BECK, GREENER & CO 7 Stone Buildings Lincoln's Inn London WC2A 3SZ London WC2A 3SZ (GB)