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(11)

EP 2 232 006 A1

(12)

(43) Date of publication: 29.09.2010 Bulletin 2010/39 (21) Application number: 09702380.8 (22) Date of filing: 02.01.2009

(51) International Patent Classification (IPC):  E21B 33/12(2006.01) F16J 15/16(2006.01) E21B 34/08(2006.01) F16J 15/00(2006.01) (86) International application number: PCT/GB2009/000010 (87) International publication number: WO 2009/090367 (23.07.2009 Gazette 2009/30)

(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: 18.01.2008 GB 0800884 (71) Applicant: Swellfix B.V. 2288 GK Rijswijk (NL)	(72) Inventors: McROBB, Graeme Aberdeen AB12 3HT (GB) SCHILTE, Paul NL-2288 GK Rijswijk (NL) MOLLICONE, Piereluigi Aberdeen AB12 3HT (GB) DIJKSTRA, Nouline NL-2288 GS Rijswijk (NL) (74) Representative: Docherty, Andrew John  Marks & Clerk LLP Aurora 120 Bothwell Street Glasgow G2 7JS Glasgow G2 7JS (GB)