(19)

(11)

EP 0 832 492 A1

(12)

(43) Date of publication: 01.04.1998 Bulletin 1998/14 (21) Application number: 96917800.0 (22) Date of filing: 12.06.1996

(51) International Patent Classification (IPC):  H01B 17/ 00( . ) H01B 17/ 26( . ) H01B 17/ 16( . ) H01B 17/ 42( . ) (86) International application number: PCT/SE1996/000772 (87) International publication number: WO 1996/042092 (27.12.1996 Gazette 1997/04)

(84) Designated Contracting States: BE CH DE ES FR GB IT LI SE (30) Priority: 13.06.1995 SE 19950002136 (71) Applicant: ASEA BROWN BOVERI AB 721 83 Västeras (SE)	(72) Inventors: BENDIKSEN, Odd S-771 43 Ludvika (SE) WUTHRICH, Peter S-771 34 Ludvika (SE)