(19)

(11)

EP 3 641 958 A1

(12)

(43) Date of publication: 29.04.2020 Bulletin 2020/18 (21) Application number: 18729329.5 (22) Date of filing: 15.05.2018

(51) International Patent Classification (IPC):  B09C 1/00(2006.01) F23G 7/14(2006.01) B09C 1/06(2006.01) (86) International application number: PCT/EP2018/062501 (87) International publication number: WO 2018/210799 (22.11.2018 Gazette 2018/47)

(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: 19.05.2017 EP 17172101 (71) Applicant: MTT Technologies GmbH 3173 Oberwangen b. Bern (CH)	(72) Inventor: PAROSA, Ryszard 53-213 Wroclaw (PL) (74) Representative: Kancelaria Eupatent.pl Sp. z.o.o  Ul. Kilinskiego 185 90-348 Lodz 90-348 Lodz (PL)