(19)

(11)

EP 2 464 917 A1

(12)

(43) Date of publication: 20.06.2012 Bulletin 2012/25 (21) Application number: 10829584.1 (22) Date of filing: 23.09.2010

(51) International Patent Classification (IPC):  F24J 2/02(2006.01) F28D 1/053(2006.01) F24J 2/04(2006.01) F16B 7/00(2006.01) F28D 7/16(2006.01) F24J 2/52(2006.01) F16M 13/00(2006.01) F16B 1/00(2006.01) F28D 7/12(2006.01) F24J 2/24(2006.01) F16L 3/01(2006.01) (86) International application number: PCT/IB2010/002590 (87) International publication number: WO 2011/058401 (19.05.2011 Gazette 2011/20)

(84) Designated Contracting States: AL 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: 25.09.2009 US 246054 P (71) Applicant: Waterco Limited Rydalmere, NSW 2166 (AU)	(72) Inventor: TANDON, Pradeep, K. Rydalmere NSW 2166 (AU) (74) Representative: McLeish, Nicholas Alistair Maxwell et al Boult Wade Tennant Verulam Gardens 70 Gray's Inn Road London WC1X 8BT London WC1X 8BT (GB)