(19)

(11)

EP 2 273 905 A1

(12)

(43) Date of publication: 19.01.2011 Bulletin 2011/03 (21) Application number: 09730337.4 (22) Date of filing: 08.04.2009

(51) International Patent Classification (IPC):  A47L 5/28(2006.01) A47L 5/30(2006.01) A47L 9/24(2006.01) F16L 37/14(2006.01) (86) International application number: PCT/GB2009/000926 (87) International publication number: WO 2009/125185 (15.10.2009 Gazette 2009/42)

(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: 08.04.2008 GB 0806375 (71) Applicant: NUMATIC INTERNATIONAL LIMITED Camberley Surrey GU15 3SY (GB)	(72) Inventor: BOYES, Allyn Somerset TA20 2GB (GB) (74) Representative: Brown, Fraser Gregory James et al Cleveland 40-43 Chancery Lane London WC2A 1JQ London WC2A 1JQ (GB)