(19)

(11)

EP 0 542 787 A1

(12)

(43) Date of publication: 26.05.1993 Bulletin 1993/21 (21) Application number: 91913689.0 (22) Date of filing: 05.08.1991

(51) International Patent Classification (IPC):  B41C 1/ 04( . ) B41C 1/ 05( . ) (86) International application number: PCT/GB1991/001333 (87) International publication number: WO 1992/002368 (20.02.1992 Gazette 1992/05)

(84) Designated Contracting States: AT DE FR GB NL (30) Priority: 06.08.1990 GB 19900017190 (71) Applicant: ZED INSTRUMENTS LIMITED Hersham Surrey, KT12 3PD (GB)	(72) Inventor: ZOLLMAN, Peter, Martin "Langton" Surrey KT12 5DW (GB) (74) Representative: Wells, David  Gill Jennings & Every, Broadgate House, 7 Eldon Street London EC2M 7LH London EC2M 7LH (GB)