(19)

(11)

EP 0 302 878 A1

(12)

(43) Date of publication: 15.02.1989 Bulletin 1989/07 (21) Application number: 87902839.0 (22) Date of filing: 22.04.1987

(51) International Patent Classification (IPC):  B61B 3/ 00( . ) E01B 25/ 26( . ) (86) International application number: PCT/SE1987/000206 (87) International publication number: WO 1987/006549 (05.11.1987 Gazette 1987/24)

(84) Designated Contracting States: BE DE FR GB IT NL SE (30) Priority: 22.04.1986 SE 19860001850 (71) Applicant: ÖHRNELL CONVEYORSYSTEM AKTIEBOLAG S-502 32 Boras (SE)	(72) Inventor: PERSSON, Bengt, Anders, Walle S-502 53 Boras (SE) (74) Representative: Rostovanyi, Peter, et al  AWAPATENT AB, Box 5117 S-200 71 Malmö S-200 71 Malmö (SE)