(19)

(11)

EP 0 462 119 A1

(12)

(43) Date of publication: 27.12.1991 Bulletin 1991/52 (21) Application number: 90903178.0 (22) Date of filing: 22.02.1990

(51) International Patent Classification (IPC):  A62C 31/ 28( . ) E04G 21/ 04( . ) B65G 53/ 52( . ) F16L 3/ 01( . ) (86) International application number: PCT/FI1990/000053 (87) International publication number: WO 1990/010588 (20.09.1990 Gazette 1990/22)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB IT LI LU NL SE (30) Priority: 10.03.1989 FI 19890001166 (71) Applicant: MINKKINEN, Risto SF-41340 Laukaa (FI)	(72) Inventor: MINKKINEN, Risto SF-41340 Laukaa (FI) (74) Representative: Mossmark, Anders, et al  Albihn West AB, Box 142 S-401 22 Göteborg S-401 22 Göteborg (SE)