(19)

(11)

EP 4 301 568 A1

(12)

(43) Date of publication: 10.01.2024 Bulletin 2024/02 (21) Application number: 22711611.8 (22) Date of filing: 28.02.2022

(51) International Patent Classification (IPC):  B28D 1/22(2006.01) (52) Cooperative Patent Classification (CPC): B28D 1/222 (86) International application number: PCT/IB2022/051726 (87) International publication number: WO 2022/185175 (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: 02.03.2021 PT 2021117096 (71) Applicant: Fravizel - Equipamentos Metalomecânicos, S.A. 2025-999 Alcanede (PT)	(72) Inventor: VICENTE FRAZÃO, Eliseu Manuel 2025-999 Alcanede (PT) (74) Representative: do Nascimento Gomes, Rui  J. Pereira da Cruz, S.A. Rua Victor Cordon, 10-A 1249-103 Lisboa 1249-103 Lisboa (PT)