(19)

(11)

EP 0 873 228 A1

(12)

(43) Date of publication: 28.10.1998 Bulletin 1998/44 (21) Application number: 96903136.0 (22) Date of filing: 22.02.1996

(51) International Patent Classification (IPC):  B29B 17/ 02( . ) (86) International application number: PCT/GB1996/000409 (87) International publication number: WO 1996/028292 (19.09.1996 Gazette 1996/42)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 09.03.1995 GB 19950004719 (71) Applicant: IMPERIAL CHEMICAL INDUSTRIES PLC London SW1P 3JF (GB)	(72) Inventor: NORTON-BERRY, Philip Clwyd, Wales LL11 3AE (GB) (74) Representative: Gibson, Sara Hillary Margaret, et al  Imperial Chemical Industries plc, ICI Group Intellectual Property, P.O. Box 90, Wilton Middlesbrough, Cleveland TS90 8JE Middlesbrough, Cleveland TS90 8JE (GB)