(19)

(11)

EP 3 019 820 A1

(12)

(43) Date of publication: 18.05.2016 Bulletin 2016/20 (21) Application number: 14823592.2 (22) Date of filing: 21.01.2014

(51) International Patent Classification (IPC):  F42B 3/00(2006.01) F42C 19/00(2006.01) F42B 3/10(2006.01) (86) International application number: PCT/IN2014/000041 (87) International publication number: WO 2015/004675 (15.01.2015 Gazette 2015/02)

(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 Designated Extension States: BA ME (30) Priority: 12.07.2013 IN CH31052013 (71) Applicant: Premier Explosives Limited Hyderabad 500015 (IN)	(72) Inventors: N V, Srinivasa Rao Hyderabad 500040 (IN) A N, Gupta Hyderabad 500015 (IN) P, Siva Shankar Rao Hyderabad (IN) (74) Representative: Cabinet Chaillot  16/20, avenue de l'Agent Sarre B.P. 74 92703 Colombes Cedex 92703 Colombes Cedex (FR)