(19)

(11)

EP 0 340 238 A1

(12)

(43) Date of publication: 08.11.1989 Bulletin 1989/45 (21) Application number: 88900772.0 (22) Date of filing: 12.01.1988

(51) International Patent Classification (IPC):  B68G 7/ 06( . ) (86) International application number: PCT/FI1988/000003 (87) International publication number: WO 1988/005421 (28.07.1988 Gazette 1988/17)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 14.01.1987 FI 19870000128 (71) Applicant: NOWOROLL OY SF-20761 Piispanristi (FI)	(72) Inventors: KANCHANASTHIRA, Sitthiphon SF-20761 Piispanristi (FI) VESA, Juha SF-20600 Turku (FI) (74) Representative: Selting, Günther, Dipl.-Ing., et al  Patentanwälte von Kreisler, Selting, Werner Postfach 10 22 41 D-50462 Köln D-50462 Köln (DE)