(19)

(11)

EP 4 058 747 A1

(12)

(43) Date of publication: 21.09.2022 Bulletin 2022/38 (21) Application number: 19848768.8 (22) Date of filing: 23.12.2019

(51) International Patent Classification (IPC):  F41A 21/30(2006.01) F41A 21/32(2006.01) (52) Cooperative Patent Classification (CPC): F41A 21/325; F41A 21/30 (86) International application number: PCT/BG2019/000030 (87) International publication number: WO 2021/092663 (20.05.2021 Gazette 2021/20)

(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: 11.11.2019 BG 457119 (71) Applicant: Bameks - 98 AD 4300 Karlovo (BG)	(72) Inventor: Gidikov, Trifon Ganchev BG-4300 Karlovo (BG) (74) Representative: Neykov, Neyko Hristov  NIKOPATENT S.A. 58, Vorino Street App. 2 1680 Sofia 1680 Sofia (BG)