(19)

(11)

EP 1 252 461 A1

(12)

(43) Date of publication: 30.10.2002 Bulletin 2002/44 (21) Application number: 01906420.3 (22) Date of filing: 26.01.2001

(51) International Patent Classification (IPC)7: F16L 9/18, F16L 43/00 (86) International application number: PCT/NL0100/056 (87) International publication number: WO 0106/9118 (20.09.2001 Gazette 2001/38)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR (30) Priority: 02.02.2000 NL 1014272 (71) Applicant: InterActive bouwprodukten B.V. 6942 GT Didam (NL)	(72) Inventors: WILLEMSE, Petrus, Johannes NL-6987 GG Giesbeek (NL) NOORLANDER, Hans, Nicolaas NL-6882 AX Velp (NL) (74) Representative: Brookhuis, Hendrik Jan Arnold  Exter Polak & Charlouis B.V.P.O. Box 3241 2280 GE Rijswijk 2280 GE Rijswijk (NL)