(19)

(11)

EP 0 027 807 A1

(12)

(43) Date of publication: 06.05.1981 Bulletin 1981/18 (21) Application number: 80900758.0 (22) Date of filing: 11.04.1980

(51) International Patent Classification (IPC):  F16J 9/ 14( . ) (86) International application number: PCT/NL1980/000014 (87) International publication number: WO 1980/002314 (30.10.1980 Gazette 1980/25)

(84) Designated Contracting States: CH DE FR GB LI NL SE (30) Priority: 25.04.1979 NL 19790003277 (71) Applicant: ROTTINK, Bernard Joachim Joseph 7495 RN Delden (NL)	(72) Inventor: ROTTINK, Bernard Joachim Joseph 7495 RN Delden (NL)