(19)

(11)

EP 2 095 005 A1

(12)

(43) Date of publication: 02.09.2009 Bulletin 2009/36 (21) Application number: 07848400.3 (22) Date of filing: 23.11.2007

(51) International Patent Classification (IPC):  F16L 55/172(2006.01) (86) International application number: PCT/GB2007/004510 (87) International publication number: WO 2008/065364 (05.06.2008 Gazette 2008/23)

(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 (30) Priority: 30.11.2006 GB 0623950 (71) Applicant: Crane Ltd. Hitchin Hertfordshire SG4 0UD (GB)	(72) Inventors: REX, Brian Hitchin Hertfordshire SG5 2HH (GB) HARPER, Brian Hitchin Hertfordshire SG4 0RS (GB) (74) Representative: Townsend, Victoria Jayne et al Fry Heath & Spence LLP The Gables Massetts Road Horley, Surrey RH6 7DQ Horley, Surrey RH6 7DQ (GB)