(19)

(11)

EP 1 680 614 A1

(12)

(43) Date of publication: 19.07.2006 Bulletin 2006/29 (21) Application number: 05786149.4 (22) Date of filing: 01.09.2005

(51) International Patent Classification (IPC):  F16K 5/20(2006.01) (86) International application number: PCT/GB2005/003385 (87) International publication number: WO 2006/024860 (09.03.2006 Gazette 2006/10)

(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 NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK YU (30) Priority: 02.09.2004 GB 0419485 (71) Applicant: Xamol Ltd Brighouse, W. Yorkshire HD6 1LQ (GB)	(72) Inventor: LOMAX, Stuart, Andrew West Yorkshire HD6 1LQ (GB) (74) Representative: Wood, Graham  Bailey Walsh & Co L.L.P., 5 York Place Leeds LS1 2SD Leeds LS1 2SD (GB)