(19)

(11)

EP 0 425 559 A1

(12)

(43) Date of publication: 08.05.1991 Bulletin 1991/19 (21) Application number: 89908534.0 (22) Date of filing: 12.07.1989

(51) International Patent Classification (IPC):  A63F 7/ 00( . ) A63F 9/ 00( . ) G07F 17/ 34( . ) (86) International application number: PCT/NO1989/000071 (87) International publication number: WO 1990/000920 (08.02.1990 Gazette 1990/04)

(84) Designated Contracting States: DE GB (30) Priority: 21.07.1988 NO 19880003238 (71) Applicant: UNI-PRO N-1751 Halden (NO)	(72) Inventor: HANSEN, Arne N-1750 Halden (NO) (74) Representative: Wolff, Francis Paul, et al  Wolff & Lunt 1 Richfield Place Richfield Avenue Reading Berkshire RG1 8EQ Reading Berkshire RG1 8EQ (GB)