(19)

(11)

EP 2 252 743 A1

(12)

(43) Date of publication: 24.11.2010 Bulletin 2010/47 (21) Application number: 09707752.3 (22) Date of filing: 09.02.2009

(51) International Patent Classification (IPC):  E03F 5/04(2006.01) (86) International application number: PCT/NL2009/000028 (87) International publication number: WO 2009/099323 (13.08.2009 Gazette 2009/33)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA RS (30) Priority: 08.02.2008 NL 1035003 (71) Applicant: I-Drains Productions B.V. 5047 TW Tilburg (NL)	(72) Inventor: BIERINGS, Martinus Franciscus Petrus Joseph 5175 CB Loon op Zand (NL) (74) Representative: Griebling, Onno et al Octrooibureau Griebling BV, Sportweg 10 5037 AC Tilburg 5037 AC Tilburg (NL)