(19)

(11)

EP 3 673 226 A1

(12)

(43) Date of publication: 01.07.2020 Bulletin 2020/27 (21) Application number: 18848229.3 (22) Date of filing: 24.08.2018

(51) International Patent Classification (IPC):  F42B 8/14(2006.01) F42B 12/40(2006.01) F42B 8/16(2006.01) (86) International application number: PCT/US2018/047960 (87) International publication number: WO 2019/040873 (28.02.2019 Gazette 2019/09)

(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 Designated Validation States: KH MA MD TN (30) Priority: 24.08.2017 US 201762549596 P (71) Applicant: COMPANHIA BRASILEIRA DE CARTUCHOS CEP-09424-600 Ribeirão Fires SP (BR)	(72) Inventors: MORENO, Marcelo 09581-510 Sao Caetano Do Sul (BR) BRUNO, Nicolas Horacio Cordoba (AR) (74) Representative: Zacco Denmark A/S  Arne Jacobsens Allé 15 2300 Copenhagen S 2300 Copenhagen S (DK)