(19)

(11)

EP 3 782 245 A1

(12)

(43) Date of publication: 24.02.2021 Bulletin 2021/08 (21) Application number: 18732880.2 (22) Date of filing: 14.05.2018

(51) International Patent Classification (IPC):  H01T 1/14(2006.01) H01T 4/10(2006.01) H01C 7/12(2006.01) H01H 37/76(2006.01) (86) International application number: PCT/IB2018/053354 (87) International publication number: WO 2019/220171 (21.11.2019 Gazette 2019/47)

(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 (71) Applicant: SALTEK s.r.o. 40007 Usti nad Labem (CZ)	(72) Inventor: SUCHY, Jaromir 40340 Usti Nad Labem - Skorotice (CZ) (74) Representative: Kratochvil, Vaclav  Patent and Trademark Office P.O. Box 26 295 01 Mnichovo Hradiste 295 01 Mnichovo Hradiste (CZ)