(19)

(11)

EP 2 049 389 A1

(12)

(43) Date of publication: 22.04.2009 Bulletin 2009/17 (21) Application number: 07789613.2 (22) Date of filing: 08.08.2007

(51) International Patent Classification (IPC):  B63B 35/44(2006.01) E21B 17/01(2006.01) F16L 7/00(2006.01) C02F 1/00(2006.01) E21B 41/00(2006.01) F16L 39/02(2006.01) (86) International application number: PCT/IB2007/002290 (87) International publication number: WO 2008/017937 (14.02.2008 Gazette 2008/07)

(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 MT NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK RS (30) Priority: 09.08.2006 GB 0615803 (71) Applicant: Emstec GmbH & Co KG 21224 Rosengarten (DE)	(72) Inventor: BRINK, Burhard 21224 Rosengarten (DE) (74) Representative: Murnane, Graham John  Murgitroyd & Company 165-169 Scotland Street Glasgow G5 8PL Glasgow G5 8PL (GB)