(19)

(11)

EP 0 238 580 A1

(12)

(43) Date of publication: 30.09.1987 Bulletin 1987/40 (21) Application number: 86905823.0 (22) Date of filing: 01.10.1986

(51) International Patent Classification (IPC):  F16K 31/ 02( . ) F16K 31/ 68( . ) (86) International application number: PCT/FI1986/000102 (87) International publication number: WO 1987/002114 (09.04.1987 Gazette 1987/08)

(84) Designated Contracting States: AT BE CH DE GB IT LI NL SE (30) Priority: 02.10.1985 FI 19850003804 (71) Applicant: KALPIO, Väinö, Ilmari SF-54930 Levänen (FI)	(72) Inventor: KALPIO, Väinö, Ilmari SF-54930 Levänen (FI)