(19)

(11)

EP 0 174 301 A1

(12)

(43) Date of publication: 19.03.1986 Bulletin 1986/12 (21) Application number: 84901111.0 (22) Date of filing: 22.02.1984

(51) International Patent Classification (IPC):  B65G 33/ 14( . ) B65G 65/ 22( . ) B65G 43/ 08( . ) (86) International application number: PCT/SE1984/000061 (87) International publication number: WO 1985/003691 (29.08.1985 Gazette 1985/19)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (71) Applicant: AB Siwertell S-267 00 BJUV (SE)	(72) Inventor: SANDBERG, Knut, Arne S-230 50 Bjärred (SE) (74) Representative: Berglund, Gustav Arthur, et al  AWAPATENT AB, Box 5117 S-200 71 Malmö S-200 71 Malmö (SE)