(19)

(11)

EP 0 027 119 A1

(12)

(43) Date of publication: 22.04.1981 Bulletin 1981/16 (21) Application number: 80900706.0 (22) Date of filing: 21.04.1980

(51) International Patent Classification (IPC):  B62D 25/ 20( . ) F16B 5/ 00( . ) (86) International application number: PCT/NO1980/000015 (87) International publication number: WO 1980/002268 (30.10.1980 Gazette 1980/25)

(84) Designated Contracting States: AT CH DE FR LI NL SE (30) Priority: 20.04.1979 NO 19790001329 (71) Applicant: BIRKELAND, Magnus N-4934 Nesgrenda (NO)	(72) Inventor: BIRKELAND, Magnus N-4934 Nesgrenda (NO)