(19)

(11)

EP 0 977 659 A1

(12)

(43) Date of publication: 09.02.2000 Bulletin 2000/06 (21) Application number: 98917792.8 (22) Date of filing: 22.04.1998

(51) International Patent Classification (IPC)7: B29C 47/68, B01D 29/46, B01D 29/66 (86) International application number: PCT/NL9800/224 (87) International publication number: WO 9847/688 (29.10.1998 Gazette 1998/43)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU NL PT SE (30) Priority: 22.04.1997 NL 1005864 (71) Applicant: Kerssemakers, Mathieu Franciscus Josephus 5151 VA Drunen (NL)	(72) Inventor: Kerssemakers, Mathieu Franciscus Josephus 5151 VA Drunen (NL) (74) Representative: Griebling, Onno et al van Exter Polak & Charlouis B.V.,P.O. Box 3241 2280 GE Rijswijk 2280 GE Rijswijk (NL)