(19)

(11)

EP 2 283 260 A1

(12)

(43) Date of publication: 16.02.2011 Bulletin 2011/07 (21) Application number: 09733068.2 (22) Date of filing: 16.04.2009

(51) International Patent Classification (IPC):  F16K 11/02(2006.01) (86) International application number: PCT/IB2009/005273 (87) International publication number: WO 2009/127959 (22.10.2009 Gazette 2009/43)

(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: 18.04.2008 ZA 200803467 (71) Applicant: Iptree Trust (Trust Number 503/2009) 2055 Gauteng (ZA)	(72) Inventors: BUHRMANN, Rudolph 0186 Pretoria (ZA) BUHRMANN, Rudolph Teodor 0157 Centurion (ZA) (74) Representative: Collin, Jérôme et al Cabinet Régimbeau 20, rue de Chazelles 75847 Paris Cedex 17 75847 Paris Cedex 17 (FR)