(19)

(11)

EP 2 220 307 A1

(12)

(43) Date of publication: 25.08.2010 Bulletin 2010/34 (21) Application number: 08800022.9 (22) Date of filing: 18.09.2008

(51) International Patent Classification (IPC):  E04F 15/10(2006.01) E04F 13/08(2006.01) E04F 15/02(2006.01) E04F 15/18(2006.01) (86) International application number: PCT/AU2008/001387 (87) International publication number: WO 2009/036508 (26.03.2009 Gazette 2009/13)

(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 MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA MK RS (30) Priority: 18.09.2007 AU 2007905089 (71) Applicant: Unika (australia) Pty Limited Sydney, New South Wales 2000 (AU)	(72) Inventor: ANDERSON, Gordon Bowral, New South Wales 2576 (AU) (74) Representative: Strandin, Heléne  Bergenstrahle & Lindvall AB P.O. Box 17704 118 93 Stockholm 118 93 Stockholm (SE)