(19)

(11)

EP 3 891 377 A1

(12)

(43) Date of publication: 13.10.2021 Bulletin 2021/41 (21) Application number: 19824189.5 (22) Date of filing: 03.12.2019

(51) International Patent Classification (IPC):  F02M 37/16(2006.01) (52) Cooperative Patent Classification (CPC): F04B 9/14; F04B 53/02; F04B 53/162; F04B 53/14; F05C 2225/06; F02M 37/16 (86) International application number: PCT/CZ2019/000059 (87) International publication number: WO 2020/114529 (11.06.2020 Gazette 2020/24)

(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: 05.12.2018 CZ 20180679 (71) Applicant: TF Press S.R.O. 549 41 Zabrodi (CZ)	(72) Inventor: TUPEC, Frantisek 549 41 Zábrodí (CZ) (74) Representative: Skoda, Milan  Nahoranska 308 549 01 Nove Mesto nad Metuji 549 01 Nove Mesto nad Metuji (CZ)