(19)

(11)

EP 0 143 831 A1

(12)

(43) Date of publication: 12.06.1985 Bulletin 1985/24 (21) Application number: 84902155.0 (22) Date of filing: 04.05.1984

(51) International Patent Classification (IPC):  B42F 15/ 00( . ) B42F 17/ 28( . ) (86) International application number: PCT/US1984/000694 (87) International publication number: WO 1984/004279 (08.11.1984 Gazette 1984/26)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 04.05.1983 US 19830491576 (71) Applicant: VISU-FLEX COMPANY Pico Rivera, CA 90660 (US)	(72) Inventor: SPEES, Arthur, T. Villa Park, CA 92667 (US) (74) Representative: Rushton, Ronald, et al  SOMMERVILLE & RUSHTON 11 Holywell Hill St. Albans Hertfordshire AL1 1EZ St. Albans Hertfordshire AL1 1EZ (GB)