(19)

(11)

EP 0 460 175 A1

(12)

(43) Date of publication: 11.12.1991 Bulletin 1991/50 (21) Application number: 91901791.0 (22) Date of filing: 21.12.1990

(51) International Patent Classification (IPC):  H05B 3/ 14( . ) H05B 3/ 26( . ) H05B 3/ 20( . ) (86) International application number: PCT/EP1990/002272 (87) International publication number: WO 1991/010336 (11.07.1991 Gazette 1991/15)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IT LI LU NL SE (30) Priority: 27.12.1989 YU 19890002471 (71) Applicant: ING BIRO ESTABLISHMENT FL-9494 Schaan (LI)	(72) Inventors: ZORIIC, Boidar YU-51000 Rijeka (YU) BILJANOVIC , Petar YU-41000 Zagreb (YU) BENDEKOVIC , Zdravko YU-41000 Zagreb (YU) (74) Representative: Büchel, Kurt F., Dr.  Patentbüro Büchel & Partner AG Letzanaweg 25-27 FL-9495 Triesen FL-9495 Triesen (LI)