(19)

(11)

EP 2 558 657 A1

(12)

(43) Date of publication: 20.02.2013 Bulletin 2013/08 (21) Application number: 11768268.2 (22) Date of filing: 11.04.2011

(51) International Patent Classification (IPC):  E04C 5/08(2006.01) E04C 5/16(2006.01) E04C 5/12(2006.01) (86) International application number: PCT/AU2011/000413 (87) International publication number: WO 2011/127521 (20.10.2011 Gazette 2011/42)

(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 RS SE SI SK SM TR (30) Priority: 12.04.2010 AU 2010901542 (71) Applicants: Hornsey, Elizabeth Ruth Parkes, NSW 2870 (AU) Hornsey, Michael Kym Parkes, NSW 2870 (AU)	(72) Inventors: Hornsey, Elizabeth Ruth Parkes, NSW 2870 (AU) Hornsey, Michael Kym Parkes, NSW 2870 (AU) (74) Representative: Kox, Jordi  Exter Polak & Charlouis B.V. (EP&C) P.O. Box 3241 2280 GE Rijswijk 2280 GE Rijswijk (NL)