(19)

(11)

EP 1 121 313 A1

(12)

(43) Date of publication: 08.08.2001 Bulletin 2001/32 (21) Application number: 99949245.7 (22) Date of filing: 15.10.1999

(51) International Patent Classification (IPC)7: B65G 39/20 (86) International application number: PCT/GB9903/444 (87) International publication number: WO 0023/361 (27.04.2000 Gazette 2000/17)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 17.10.1998 GB 9822632 (71) Applicant: RENOLD Plc WythenshaweManchester M22 5WL (GB)	(72) Inventor: CHRISTMAS, Michael, Charles Cheadle HulmeCheshire SK8 6DE (GB) (74) Representative: Every, David Aidan et al MARKS & CLERK,Sussex House,83-85 Mosley Street Manchester M2 3LG Manchester M2 3LG (GB)