(19)

(11)

EP 0 359 750 A1

(12)

(43) Date of publication: 28.03.1990 Bulletin 1990/13 (21) Application number: 88903250.0 (22) Date of filing: 30.03.1988

(51) International Patent Classification (IPC):  F16J 1/ 12( . ) F16J 10/ 02( . ) (86) International application number: PCT/FI1988/000045 (87) International publication number: WO 1988/008097 (20.10.1988 Gazette 1988/23)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 07.04.1987 FI 19870001509 26.05.1987 FI 19870002323 18.09.1987 FI 19870004078 (71) Applicant: SUNDHOLM, Göran SF-04310 Tuusula (FI)	(72) Inventor: SUNDHOLM, Göran SF-04310 Tuusula (FI) (74) Representative: Jenkins, Peter David, et al  PAGE WHITE & FARRER 54 Doughty Street London WC1N 2LS London WC1N 2LS (GB)