(19)

(11)

EP 0 176 506 A1

(12)

(43) Date of publication: 09.04.1986 Bulletin 1986/15 (21) Application number: 84901753.0 (22) Date of filing: 09.04.1984

(51) International Patent Classification (IPC):  G21F 9/ 00( . ) G21H 1/ 00( . ) G21G 1/ 00( . ) (86) International application number: PCT/EP1984/000110 (87) International publication number: WO 1985/004752 (24.10.1985 Gazette 1985/23)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (71) Applicant: ENGELEN, Gerrit Berdinus NL-1183 JT Amstelveen (NL)	(72) Inventor: ENGELEN, Gerrit Berdinus NL-1183 JT Amstelveen (NL)