(19)

(11)

EP 4 100 234 A1

(12)

(43) Date of publication: 14.12.2022 Bulletin 2022/50 (21) Application number: 21702738.2 (22) Date of filing: 02.02.2021

(51) International Patent Classification (IPC):  B29C 57/04(2006.01) B29K 101/12(2006.01) B29C 31/00(2006.01) (52) Cooperative Patent Classification (CPC): B29C 57/04; B29K 2101/12; B29C 31/002 (86) International application number: PCT/IB2021/050828 (87) International publication number: WO 2021/156742 (12.08.2021 Gazette 2021/32)

(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: 04.02.2020 IT 202000002182 (71) Applicant: SICA S.P.A. 48011 Alfonsine (Ravenna) (IT)	(72) Inventor: TABANELLI, Giorgio 48033 Cotignola (Ravenna) (IT) (74) Representative: Milli, Simone  Bugnion S.p.A. Via di Corticella, 87 40128 Bologna 40128 Bologna (IT)