(19)

(11)

EP 0 408 621 A1

(12)

(43) Date of publication: 23.01.1991 Bulletin 1991/04 (21) Application number: 89903824.0 (22) Date of filing: 17.03.1989

(51) International Patent Classification (IPC):  A44B 11/ 12( . ) B60P 7/ 08( . ) B25B 25/ 00( . ) (86) International application number: PCT/SE1989/000140 (87) International publication number: WO 1989/008603 (21.09.1989 Gazette 1989/23)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 18.03.1988 SE 19880000996 (71) Applicant: LINVENT AB S-447 00 Vargarda (SE)	(72) Inventor: LINDBLAD, Lennart S-477 00 Vargarda (SE) (74) Representative: Lindberg, Klas Valter Bo, et al  AWAPATENT AB, Södra Hamngatan 37-41, P.O. Box 11394 S-404 28 Göteborg S-404 28 Göteborg (SE)