(19)

(11)

EP 0 220 295 A1

(12)

(43) Date of publication: 06.05.1987 Bulletin 1987/19 (21) Application number: 86903262.0 (22) Date of filing: 02.05.1986

(51) International Patent Classification (IPC):  E03F 5/ 02( . ) (86) International application number: PCT/DK1986/000047 (87) International publication number: WO 1986/006429 (06.11.1986 Gazette 1986/24)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 02.05.1985 DK 19850001990 (71) Applicant: WAVIN B.V. NL-8031 EM Zwolle (NL)	(72) Inventors: POULSEN, Vagn, S. Hadbjerg DK-8370 Hadsten (DK) ELZINK, Willem NL-7700 LG Dedemsvaart (NL) LODDER, Bernhard NL-7772 JW Hardenberg (NL) (74) Representative: van der Veken, Johannes Adriaan, et al  van Exter Polak & Charlouis B.V., P.O. Box 3241 NL-2280 GE Rijswijk NL-2280 GE Rijswijk (NL)