(19)

(11)

EP 0 456 735 A1

(12)

(43) Date of publication: 21.11.1991 Bulletin 1991/47 (21) Application number: 90903061.0 (22) Date of filing: 05.02.1990

(51) International Patent Classification (IPC):  B61B 12/ 06( . ) B61B 12/ 12( . ) (86) International application number: PCT/SE1990/000072 (87) International publication number: WO 1990/008684 (09.08.1990 Gazette 1990/19)

(84) Designated Contracting States: AT CH DE ES FR IT LI SE (30) Priority: 03.02.1989 SE 19890000378 (71) Applicant: HANDELSBOLAGET ÖHRNELL-TEKNIK S-652 21 Karlstad (SE)	(72) Inventors: ÖHRNELL, Fredrik S-652 21 Karlstad (SE) ESTEMARK, Bo S-667 00 Forshaga (SE) ÖHRNELL, H kan S-652 21 Karlstad (SE) (74) Representative: Delhage, Einar  Bergenstrahle & Lindvall AB Box 17704 S-118 93 Stockholm S-118 93 Stockholm (SE)