(19)

(11)

EP 0 174 940 A1

(12)

(43) Date of publication: 26.03.1986 Bulletin 1986/13 (21) Application number: 85900991.0 (22) Date of filing: 25.02.1985

(51) International Patent Classification (IPC):  B61B 10/ 02( . ) (86) International application number: PCT/DK1985/000014 (87) International publication number: WO 1985/003923 (12.09.1985 Gazette 1985/20)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 29.02.1984 DK 19840001250 (71) Applicant: ALCON A/S DK-4700 Naestved (DK)	(72) Inventor: JENSEN, H., Dejbjerg Dybso Kostra ede Banker / DK-4750 Lundby (DK)