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(11)

EP 4 302 034 A1

(12)

(43) Date of publication: 10.01.2024 Bulletin 2024/02 (21) Application number: 22720287.6 (22) Date of filing: 02.03.2022

(51) International Patent Classification (IPC):  F27B 3/20(2006.01) F27D 99/00(2010.01) (52) Cooperative Patent Classification (CPC): F27D 99/0033; F27B 3/205; F27D 2099/0038 (86) International application number: PCT/CZ2022/000011 (87) International publication number: WO 2022/184191 (09.09.2022 Gazette 2022/36)

(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: 05.03.2021 CZ 20211010 (71) Applicant: Inteco PTI S.R.O. 591 01 Zd'ár nad Sádzavou (CZ)	(72) Inventor: SEKO, Petr 591 01 Zdár nad Sázavou (CZ) (74) Representative: Danek, Vilém  Danek & Partners Vinohradská 17 120 00 Praha 2 120 00 Praha 2 (CZ)