(19)

(11)

EP 2 567 183 A2

(12)

(88) Date of publication A3: 17.01.2013 (43) Date of publication: 13.03.2013 Bulletin 2013/11 (21) Application number: 11778482.7 (22) Date of filing: 09.05.2011

(51) International Patent Classification (IPC):  F42B 3/113(2006.01) F42D 1/055(2006.01) (86) International application number: PCT/US2011/035706 (87) International publication number: WO 2011/140549 (10.11.2011 Gazette 2011/45)

(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: 07.05.2010 AU 2010901993 (71) Applicant: Orica International Pte Ltd Singapore 079120 (SG)	(72) Inventors: GOODRIDGE, Richard John Redhead New South Wales 2290 (AU) APPLEBY, Rodney Wayne Springfield Lakes Queensland 4300 (AU) JOHNSON, David Olaf Aurora Colorado 80016 (US) MILLER, Thomas M Evergreen Colorado 80439 (US) (74) Representative: Jansen, Cornelis Marinus et al VEREENIGDE Johan de Wittlaan 7 2517 JR Den Haag 2517 JR Den Haag (NL)