(19)

(11)

EP 2 396 577 A2

(12)

(88) Date of publication A3: 11.11.2010 (43) Date of publication: 21.12.2011 Bulletin 2011/51 (21) Application number: 10716751.2 (22) Date of filing: 10.02.2010

(51) International Patent Classification (IPC):  F16K 1/52(2006.01) (86) International application number: PCT/EP2010/000830 (87) International publication number: WO 2010/091851 (19.08.2010 Gazette 2010/33)

(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: 10.02.2009 US 151254 P 31.03.2009 US 165116 P (71) Applicant: Norgren GmbH 46519 Alpen (DE)	(72) Inventor: TESCHKE, Ulrich 47495 Rheinberg (DE) (74) Representative: Holmes, Matthew William  Ollila Law Limited First Floor Unit 5 The Courtyard Wixford Park Bidford on Avon Warwickshire B50 4JS Wixford Park Bidford on Avon Warwickshire B50 4JS (GB)