(19)

(11)

EP 4 076 786 A1

(12)

(43) Date of publication: 26.10.2022 Bulletin 2022/43 (21) Application number: 19856420.5 (22) Date of filing: 16.12.2019

(51) International Patent Classification (IPC):  B22C 9/04(2006.01) B22C 7/02(2006.01) B22D 41/08(2006.01) B22D 41/20(2006.01) B22D 39/02(2006.01) B22D 25/02(2006.01) B22C 9/02(2006.01) B22D 41/01(2006.01) B22D 41/18(2006.01) B22D 41/50(2006.01) B22D 47/00(2006.01) B22C 9/08(2006.01) (52) Cooperative Patent Classification (CPC): B22C 9/082; B22C 9/02; B22C 7/02; B22C 9/04; B22D 41/01; B22D 41/08; B22D 41/18; B22D 41/20; B22D 41/50; B22D 39/023; B22D 47/00; B22D 25/026 (86) International application number: PCT/IT2019/000117 (87) International publication number: WO 2021/124360 (24.06.2021 Gazette 2021/25)

(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: Unicast S.r.l. 21100 Varese (IT)	(72) Inventor: BARETTONI, Gianluigi 27029 Vigevano, PAVIA (IT) (74) Representative: Mozzi, Matteo et al Jacobacci & Partners S.p.A. Via Senato, 8 20121 Milano 20121 Milano (IT)