(19)

(11)

EP 0 920 400 A1

(12)

(43) Date of publication: 09.06.1999 Bulletin 1999/23 (21) Application number: 97927566.0 (22) Date of filing: 11.06.1997

(51) International Patent Classification (IPC):  B66D 1/ 36( . ) (86) International application number: PCT/SE1997/001017 (87) International publication number: WO 1997/047553 (18.12.1997 Gazette 1998/02)

(84) Designated Contracting States: AT BE CH DE DK FI FR GB LI NL SE (30) Priority: 12.06.1996 SE 19960002316 (71) Applicant: Sepson AB 780 50 Vansbro (SE)	(72) Inventor: HELLENBERG, Bertil S-780 50 Vansbro (SE) (74) Representative: Bjerkén, Jarl Hakan, et al  Bjerkéns Patentbyra KB P.O.Box 1274 801 37 Gävle 801 37 Gävle (SE)