(19)

(11)

EP 2 588 833 A1

(12)

(43) Date of publication: 08.05.2013 Bulletin 2013/19 (21) Application number: 11811650.8 (22) Date of filing: 28.07.2011

(51) International Patent Classification (IPC):  F42B 39/02(2006.01) (86) International application number: PCT/AU2011/000952 (87) International publication number: WO 2012/012837 (02.02.2012 Gazette 2012/05)

(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: 29.07.2010 AU 2010903394 (71) Applicant: Thf Innovation Pty Ltd Bayswater, Victoria 3153 (AU)	(72) Inventor: HELLWEG, Albert Mitcham Victoria 3132 (AU) (74) Representative: Jones, Ithel Rhys et al Wynne-Jones, Lainé & James LLP Essex Place 22 Rodney Road Cheltenham Gloucestershire GL50 1JJ Cheltenham Gloucestershire GL50 1JJ (GB)