(19)

(11)

EP 3 390 920 A1

(12)

(43) Date of publication: 24.10.2018 Bulletin 2018/43 (21) Application number: 16834103.0 (22) Date of filing: 13.12.2016

(51) International Patent Classification (IPC):  F24D 17/00(2006.01) E03C 1/00(2006.01) E03B 7/10(2006.01) (86) International application number: PCT/IB2016/057560 (87) International publication number: WO 2017/103772 (22.06.2017 Gazette 2017/25)

(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 (30) Priority: 14.12.2015 PL 41527815 (71) Applicant: Czarko, Zbigniew Tadeusz 20-089 Lublin (PL)	(72) Inventor: Czarko, Zbigniew Tadeusz 20-089 Lublin (PL)