(19)

(11)

EP 0 770 024 A1

(12)

(43) Date of publication: 02.05.1997 Bulletin 1997/18 (21) Application number: 95927036.0 (22) Date of filing: 31.07.1995

(51) International Patent Classification (IPC):  A23B 7/ 148( . ) B65D 79/ 02( . ) A23L 3/ 3418( . ) G01N 33/ 02( . ) (86) International application number: PCT/GB1995/001793 (87) International publication number: WO 1996/004188 (15.02.1996 Gazette 1996/08)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 29.07.1994 GB 19940015348 (71) Applicant: SINCLAIR INTERNATIONAL LIMITED Bowthorpe Norwich NorfolkNR5 9JD (GB)	(72) Inventors: BRIGGS, Peter, David, Sinclair Norwich NR8 6SB (GB) SAUNT, James, Edward Norwich Norfolk NR13 4NL (GB) SAYLE, Derek, Anthony Norfolk NR8 6EL (GB) (74) Representative: Hill, Richard, et al  Wilson, Gunn, M'Caw, 41-51 Royal Exchange, Cross Street Manchester M2 7BD Manchester M2 7BD (GB)