(19)

(11)

EP 4 217 161 A1

(12)

(43) Date of publication: 02.08.2023 Bulletin 2023/31 (21) Application number: 21798099.4 (22) Date of filing: 22.09.2021

(51) International Patent Classification (IPC):  B27B 17/00(2006.01) B28D 1/02(2006.01) B27B 17/08(2006.01) B28D 1/08(2006.01) (52) Cooperative Patent Classification (CPC): B27B 17/08; B27B 17/0091; B28D 1/02; B28D 1/08; B28D 1/088 (86) International application number: PCT/IB2021/058643 (87) International publication number: WO 2022/064384 (31.03.2022 Gazette 2022/13)

(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: 28.09.2020 PT 2020116790 (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)