(19)

(11)

EP 0 918 564 A1

(12)

(43) Date of publication: 02.06.1999 Bulletin 1999/22 (21) Application number: 97907528.0 (22) Date of filing: 10.03.1997

(51) International Patent Classification (IPC):  B02C 18/ 14( . ) B02C 18/ 18( . ) B02C 18/ 16( . ) B65B 69/ 00( . ) (86) International application number: PCT/SE1997/000399 (87) International publication number: WO 1997/033694 (18.09.1997 Gazette 1997/40)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB LI NL SE (30) Priority: 11.03.1996 SE 19960000931 (71) Applicant: BKS Nordik AB 781 06 Borlange (SE)	(72) Inventor: SCHMUTZ, Urs CH-4466 Ormalingen (CH) (74) Representative: Bjerkén, Jarl Hakan, et al  Bjerkéns Patentbyra KB P.O.Box 1274 801 37 Gävle 801 37 Gävle (SE)