(19)

(11)

EP 0 245 328 A1

(12)

(43) Date of publication: 19.11.1987 Bulletin 1987/47 (21) Application number: 86906341.0 (22) Date of filing: 24.10.1986

(51) International Patent Classification (IPC):  B66F 7/ 08( . ) B66F 7/ 22( . ) (86) International application number: PCT/FI1986/000120 (87) International publication number: WO 1987/002974 (21.05.1987 Gazette 1987/11)

(84) Designated Contracting States: DE FR GB SE (30) Priority: 12.11.1985 FI 19850004449 (71) Applicant: ORION-YHTYMÄ OY NORMET SF-74510 Peltosalmi (FI)	(72) Inventor: POLOJÄRVI, Raimo, Juhani SF-74510 Peltosalmi (FI) (74) Representative: Lee, Philip Graham, et al  MARKS & CLERK 57/60 Lincoln's Inn Fields London WC2A 3LS London WC2A 3LS (GB)