(19)

(11)

EP 0 484 428 A1

(12)

(43) Date of publication: 13.05.1992 Bulletin 1992/20 (21) Application number: 90912187.0 (22) Date of filing: 26.07.1990

(51) International Patent Classification (IPC):  B41F 27/ 00( . ) (86) International application number: PCT/GB1990/001160 (87) International publication number: WO 1991/001885 (21.02.1991 Gazette 1991/05)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB IT LI LU NL SE (30) Priority: 26.07.1989 GB 19890017101 (71) Applicant: TECFLEX LIMITED Rotherham S6O 1QG (GB)	(72) Inventors: CARR, Michael, David Sheffield S11 7RF (GB) GOVIER, Roland, Day Sheffield S17 3NT (GB) (74) Representative: Houghton, David, et al  Hulse & Co. Eagle Star House, Carver Street Sheffield S1 4FP Sheffield S1 4FP (GB)