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(11)

EP 3 209 503 A1

(12)

(43) Date of publication: 30.08.2017 Bulletin 2017/35 (21) Application number: 15816640.5 (22) Date of filing: 23.10.2015

(51) International Patent Classification (IPC):  B42D 25/346(2014.01) G09F 3/00(2006.01) B42D 25/435(2014.01) G06K 19/00(2006.01) (86) International application number: PCT/BG2015/000036 (87) International publication number: WO 2016/061646 (28.04.2016 Gazette 2016/17)

(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 (30) Priority: 23.10.2014 BG 11184614 (71) Applicant: Keit Ltd. 1712 Sofia (BG)	(72) Inventors: GRANCHAROV, Vitan Kanev Sofia 1712 (BG) ZHELVE, Georgi Zhivkov Sofia 1715 (BG) (74) Representative: Varbanov, Julian Ivanov  J. Varbanov & Partners Ltd. South Park Complex, bl. 1, entr. A, 2nd Floor Sofia 1421 Sofia 1421 (BG)