(19)

(11)

EP 1 987 203 A1

(12)

(43) Date of publication: 05.11.2008 Bulletin 2008/45 (21) Application number: 07715845.9 (22) Date of filing: 21.02.2007

(51) International Patent Classification (IPC):  E01D 19/06(2006.01) (86) International application number: PCT/NL2007/000052 (87) International publication number: WO 2007/097619 (30.08.2007 Gazette 2007/35)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR (30) Priority: 24.02.2006 NL 1031237 18.04.2006 NL 1031606 (71) Applicant: M.J. BUIJNSTERS BEHEER B.V. 4741 RN Hoeven (NL)	(72) Inventors: BUIJNSTERS, Marinus, Josephus NL-4741 RN Hoeven (NL) ANDEWEG, Dirk NL-4283 HB Giessen (NL) (74) Representative: Griebling, Onno  Octrooibureau Griebling BV, Sportweg 10 5037 AC Tilburg 5037 AC Tilburg (NL)