(19)

(11)

EP 0 580 623 A1

(12)

(43) Date of publication: 02.02.1994 Bulletin 1994/05 (21) Application number: 92907173.0 (22) Date of filing: 31.03.1992

(51) International Patent Classification (IPC):  B21F 15/ 06( . ) E04G 21/ 12( . ) B25B 25/ 00( . ) (86) International application number: PCT/FI1992/000093 (87) International publication number: WO 1992/018724 (29.10.1992 Gazette 1992/27)

(84) Designated Contracting States: AT BE CH DE ES FR GB LI NL SE (30) Priority: 10.04.1991 FI 19910001707 (71) Applicant: SAARINEN, Ari SF-05800 Hyvinkää (FI)	(72) Inventor: SAARINEN, Ari SF-05800 Hyvinkää (FI) (74) Representative: Müller-Wolff, Thomas, et al  HARWARDT NEUMANN, Patent- und Rechtsanwälte, Postfach 14 55 D-53704 Siegburg D-53704 Siegburg (DE)