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(11)

EP 3 577 413 A1

(12)

(43) Date of publication: 11.12.2019 Bulletin 2019/50 (21) Application number: 18705815.1 (22) Date of filing: 31.01.2018

(51) International Patent Classification (IPC):  F42B 1/02(2006.01) F42B 15/00(2006.01) F42B 12/16(2006.01) F42B 12/52(2006.01) (86) International application number: PCT/BG2018/000009 (87) International publication number: WO 2018/141031 (09.08.2018 Gazette 2018/32)

(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: MA MD TN (30) Priority: 31.01.2017 BG 11245017 (71) Applicants: Transmobil Ltd 1517 Sofia (BG) Petkov, Stancho Petkov 4330 Sopot (BG)	(72) Inventor: PETKOV, Stancho Petkov 4330 Sopot (BG) (74) Representative: Neykov, Neyko Hristov  NIKOPATENT S.A. 58, Vorino Street App. 2 1680 Sofia 1680 Sofia (BG)