(19)

(11)

EP 0 444 066 A1

(12)

(43) Date of publication: 04.09.1991 Bulletin 1991/36 (21) Application number: 89912452.0 (22) Date of filing: 16.11.1989

(51) International Patent Classification (IPC):  B26D 1/ 00( . ) B26D 1/ 60( . ) B26D 1/ 10( . ) C03B 37/ 16( . ) (86) International application number: PCT/FI1989/000211 (87) International publication number: WO 1990/005620 (31.05.1990 Gazette 1990/12)

(84) Designated Contracting States: AT BE CH DE ES FR GB IT LI LU NL SE (30) Priority: 16.11.1988 FI 19880005309 (71) Applicant: OY PARTEK AB SF-21600 Parainen (FI)	(72) Inventor: LAUREN, Henning SF-21600 Pargas (FI) (74) Representative: Belcher, Simon James, et al  Urquhart-Dykes & Lord Tower House Merrion Way Leeds LS2 8PA Leeds LS2 8PA (GB)