(19)

(11)

EP 0 956 176 A2

(12)

(43) Date of publication: 17.11.1999 Bulletin 1999/46 (21) Application number: 97951416.0 (22) Date of filing: 19.12.1997

(51) International Patent Classification (IPC):  B23B 31/ 40( . ) B23B 31/ 30( . ) (86) International application number: PCT/SE1997/002197 (87) International publication number: WO 1998/032560 (30.07.1998 Gazette 1998/30)

(84) Designated Contracting States: CH DE FI FR GB IT LI (30) Priority: 28.01.1997 SE 19970000238 (71) Applicant: ETP TRANSMISSION AB 581 11 Linköping (SE)	(72) Inventor: SAMELIUS, Anders, ETP Transmission AB S-581 11 Linköping (SE) (74) Representative: Avellan-Hultman, Olle, et al  Axel Ehrners Patentbyra AB, inc. Avellán-Hultmann Patentbyra AB P.O.Box 10316 100 55 Stockholm 100 55 Stockholm (SE)