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(11)

EP 3 274 622 A1

(12)

(43) Date of publication: 31.01.2018 Bulletin 2018/05 (21) Application number: 16722963.2 (22) Date of filing: 22.03.2016

(51) International Patent Classification (IPC):  F21S 8/08(2006.01) F21V 21/10(2006.01) E04H 12/02(2006.01) F21Y 115/10(2016.01) F21V 9/16(0000.00) F21V 23/04(2006.01) F21K 2/00(2006.01) (86) International application number: PCT/PL2016/000032 (87) International publication number: WO 2016/153372 (29.09.2016 Gazette 2016/39)

(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: 24.03.2015 PL 41172715 (71) Applicant: "ALUMAST" SPOLKA AKCYJNA 44-300 Wodzislaw Slaski (PL)	(72) Inventors: SZKOPEK, Zbigniew PL-44-373 Wodzislaw Slaski (PL) KOZLOWSKI, Marek PL-52-430 Wroclaw (PL) LOS , Radoslaw PL-44-300 Wodzislaw Slaski (PL) (74) Representative: Korbela, Anna  ul. Kilinskiego 30 lok. 2 42-202 Czestochowa 42-202 Czestochowa (PL)