(19)

(11)

EP 0 172 871 A1

(12)

(43) Date of publication: 05.03.1986 Bulletin 1986/10 (21) Application number: 85901094.0 (22) Date of filing: 28.02.1985

(51) International Patent Classification (IPC):  G03B 31/ 04( . ) G11B 27/ 10( . ) G11B 20/ 00( . ) (86) International application number: PCT/NL1985/000012 (87) International publication number: WO 1985/004024 (12.09.1985 Gazette 1985/20)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 28.02.1984 NL 19840000619 (71) Applicant: STRUIK, Ted NL-5081 AB Hilvarenbeek (NL)	(72) Inventor: STRUIK, Ted NL-5081 AB Hilvarenbeek (NL)