(19)

(11)

EP 3 894 328 A2

(12)

(88) Date of publication A3: 23.07.2020 (43) Date of publication: 20.10.2021 Bulletin 2021/42 (21) Application number: 19835501.8 (22) Date of filing: 13.12.2019

(51) International Patent Classification (IPC):  B65B 59/02(2006.01) B65B 39/14(2006.01) F04B 9/12(2006.01) B65B 3/04(2006.01) B65B 3/12(2006.01) B65B 65/02(2006.01) (52) Cooperative Patent Classification (CPC): F04B 43/06; B65B 3/04; B65B 65/02; F04B 13/00; F04B 9/12; B65B 3/12; B65B 59/02; B65B 39/145 (86) International application number: PCT/IB2019/060761 (87) International publication number: WO 2020/121271 (18.06.2020 Gazette 2020/25)

(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 (30) Priority: 14.12.2018 IT 201800011110 (71) Applicant: Lanfranchi S.r.l. 43044 Collecchio (PR) (IT)	(72) Inventor: LANFRANCHI, Mario 43044 Collecchio (PR) (IT) (74) Representative: Fanzini, Valeriano et al Ing. Dallaglio S.r.l. Via Mazzini, 2 43121 Parma 43121 Parma (IT)