(19)

(11)

EP 0 679 287 A1

(12)

(43) Date of publication: 02.11.1995 Bulletin 1995/44 (21) Application number: 94930268.0 (22) Date of filing: 19.10.1994

(51) International Patent Classification (IPC):  B65D 41/ 04( . ) G21F 5/ 12( . ) G21F 5/ 015( . ) (86) International application number: PCT/GB1994/002288 (87) International publication number: WO 1995/011511 (27.04.1995 Gazette 1995/18)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB IE IT LI LU NL SE (30) Priority: 20.10.1993 GB 19930021612 (71) Applicant: AMERSHAM INTERNATIONAL plc Little Chalfont Buckinghamshire HP7 9NA (GB)	(72) Inventors: FRIEDLANDER, Uri 20 Belsize Avenue London NW3 4AU (GB) STUBBS, Richard Ashley Tring Herts HP23 3ET (GB) (74) Representative: Perkins, Sarah  Stevens, Hewlett & Perkins 1 Serjeants' Inn Fleet Street London EC4Y 1LL London EC4Y 1LL (GB)