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(11)

EP 4 577 376 A1

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(43) Date of publication: 02.07.2025 Bulletin 2025/27 (21) Application number: 23765171.6 (22) Date of filing: 23.08.2023

(51) International Patent Classification (IPC):  B23P 15/00(2006.01) B33Y 10/00(2015.01) B33Y 80/00(2015.01) F04D 29/02(2006.01) F04D 29/28(2006.01) B23K 9/04(2006.01) C23C 24/04(2006.01) F04D 29/22(2006.01) (52) Cooperative Patent Classification (CPC): B23P 15/006; F04D 29/284; F04D 29/023; C23C 24/04; B33Y 10/00; B33Y 80/00; B22F 5/009; B22F 7/08; B22F 10/25; B22F 2998/10; C23C 24/08; C23C 24/082; C23C 24/087; F04D 29/30; F05D 2300/615; F05D 2230/31; F05D 2230/10; F05D 2230/23; F05D 2230/40; F05D 2300/121; F05D 2300/133; F05D 2300/17; F05D 2300/171; F05D 2300/173; F05D 2300/174; F05D 2240/307   C-Sets: B22F 2998/10, B22F 10/25, B22F 10/66, B22F 10/64; (86) International application number: PCT/EP2023/025383 (87) International publication number: WO 2024/041754 (29.02.2024 Gazette 2024/09)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: KH MA MD TN (30) Priority: 24.08.2022 EP 22315191 (71) Applicant: Cryostar SAS 68220 Hesingue (FR)	(72) Inventor: MURAD-BICKARD, Anny 68220 HESINGUE (FR) (74) Representative: Reuß, Stephanie  Linde GmbH Intellectual Property EMEA Dr.-Carl-von-Linde-Straße 6-14 82049 Pullach 82049 Pullach (DE)