(19)

(11)

EP 0 472 566 A1

(12)

(43) Date of publication: 04.03.1992 Bulletin 1992/10 (21) Application number: 90907075.0 (22) Date of filing: 17.05.1990

(51) International Patent Classification (IPC):  B64F 1/ 22( . ) (86) International application number: PCT/FI1990/000136 (87) International publication number: WO 1990/014268 (29.11.1990 Gazette 1990/27)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB IT LI LU NL SE (30) Priority: 18.05.1989 FI 19890002379 (71) Applicant: TANA-JYRÄ KY SF-40801 Vaajakoski (FI)	(72) Inventor: SINKKONEN, Matti SF-40800 Vaajakoski (FI) (74) Representative: Lauw, Rudolf C. W.,Dipl.-Ing., Dipl.-Wirtschaftsing., et al  Karwinskistrasse 1 D-81247 München D-81247 München (DE)