(19)

(11)

EP 2 393 985 A1

(12)

(43) Date of publication: 14.12.2011 Bulletin 2011/50 (21) Application number: 10704009.9 (22) Date of filing: 08.02.2010

(51) International Patent Classification (IPC):  E01D 19/10(2006.01) E04F 13/08(2006.01) (86) International application number: PCT/NL2010/050056 (87) International publication number: WO 2010/090525 (12.08.2010 Gazette 2010/32)

(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 SM TR (30) Priority: 06.02.2009 NL 2002505 (71) Applicant: FiberCore IP B.V. 3089 JE Rotterdam (NL)	(72) Inventor: HONSELAAR, Cornelis Henricus NL-2381 KG Zoeterwoude (NL) (74) Representative: Swinkels, Bart Willem  Nederlandsch Octrooibureau J. W. Frisolaan 13 2517 JS Den Haag 2517 JS Den Haag (NL)