(19)

(11)

EP 2 238 300 A1

(12)

(43) Date of publication: 13.10.2010 Bulletin 2010/41 (21) Application number: 08864445.5 (22) Date of filing: 22.12.2008

(51) International Patent Classification (IPC):  E03C 1/294(2006.01) (86) International application number: PCT/NL2008/000286 (87) International publication number: WO 2009/082202 (02.07.2009 Gazette 2009/27)

(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 MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA MK RS (30) Priority: 21.12.2007 NL 1034858 (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)