(19)

(11)

EP 1 141 495 A1

(12)

(43) Date of publication: 10.10.2001 Bulletin 2001/41 (21) Application number: 99963697.0 (22) Date of filing: 23.12.1999

(51) International Patent Classification (IPC)7: E03F 5/02, F16L 27/06 (86) International application number: PCT/NL9900/801 (87) International publication number: WO 0039/411 (06.07.2000 Gazette 2000/27)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE Designated Extension States: AL LT LV MK RO SI (30) Priority: 24.12.1998 NL 1010902 (71) Applicant: WAVIN B.V. 8011 CW Zwolle (NL)	(72) Inventors: BESTEN, Markus, Wilhelmus, Johannes NL-7721 ZP Dalfsen (NL) VAN DIJK, Berend, Jan NL-7776 XA Slagharen (NL) (74) Representative: Brookhuis, Hendrik Jan Arnold et al van Exter Polak & Charlouis B.V.P.O. Box 3241 2280 GE Rijswijk 2280 GE Rijswijk (NL)