(19)
(11) EP 4 431 409 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
20.11.2024 Bulletin 2024/47

(43) Date of publication A2:
18.09.2024 Bulletin 2024/38

(21) Application number: 24186209.3

(22) Date of filing: 15.02.2024
(51) International Patent Classification (IPC): 
B65D 5/74(2006.01)
(52) Cooperative Patent Classification (CPC):
B65D 5/748; B65D 2231/022
(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA
Designated Validation States:
GE KH MA MD TN

(30) Priority: 21.02.2023 IT 202300002946

(62) Application number of the earlier application in accordance with Art. 76 EPC:
24157716.2 / 4420993

(71) Applicant: Tetra Laval Holdings & Finance S.A.
1009 Pully (CH)

(72) Inventors:
  • PALLAORO, Giovanni
    41123 Modena (IT)
  • INSERO, Marco
    41123 Modena (IT)
  • BARBIERI, Marcello
    41123 Modena (IT)
  • MARTINI, Pietro
    41123 Modena (IT)

(74) Representative: Tetra Pak - Patent Attorneys SE 
AB Tetra Pak Patent Department Ruben Rausings gata
221 86 Lund
221 86 Lund (SE)

   


(54) A MULTILAYER SHEET OF PACKAGING MATERIAL FOR PRODUCING A SEALED A PACKAGE


(57) A multilayer sheet of packaging material (M) for producing a sealed package (1) of a pourable food product comprises: at least one base layer (10) for imparting stiffness; a plurality of lamination layers (11) applied to and covering both sides of said base layer (10); a pre-laminated opening (12) which is formed by a through slot provided in said base layer (10) and is covered by one or more of said lamination layers (11), said pre-laminated opening (12) being configured to receive an opening device for outpouring the pourable food product; a plurality of folding lines (15) configured to define an edge between two adjacent walls of a sealed package, wherein the pre-laminated opening (12) is not intersected by any one of said folding lines (15) and includes an outer rim being arc-shaped so as to define a first portion of a first circumference.







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