(19)

(11)

EP 3 811 004 A1

(12)

(43) Date of publication: 28.04.2021 Bulletin 2021/17 (21) Application number: 19827126.4 (22) Date of filing: 21.05.2019

(51) International Patent Classification (IPC):  F25B 41/00(2021.01) F25B 1/06(2006.01) F25B 1/00(2006.01) F25B 1/08(2006.01) (86) International application number: PCT/NO2019/050113 (87) International publication number: WO 2020/005071 (02.01.2020 Gazette 2020/01)

(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: 25.06.2018 NO 20180895 (71) Applicant: Technoblock Sinop AS 0694 Oslo (NO)	(72) Inventor: OVERELV, Kjell Robert 4027 Stavanger (NO) (74) Representative: Håmsø Patentbyrå AS  P.O. Box 9 4068 Stavanger 4068 Stavanger (NO)