Laminiertes Verpackungsmaterial und Verfahren zur Herstellung

Details

Veröffentlichungs-Nr.

EP4137305

Aktenzeichen

EP22190710

Anmeldetag

17. August 2022

Veröffentlichung

22. Februar 2023

Rechtsraum

EP

IPC

B32B1/02B32B3/26B32B3/28B32B23/06B32B23/08B32B27/08B32B27/10B32B27/30B32B29/00

Abstract

A laminated packaging material (16) for packaging of liquid food products (12) and a respective manufacturing method are provided. The laminated packaging material (16) comprises a bulk layer (20) of paper or paperboard or other cellulose-based material, a first outermost liquid tight layer (22), arranged on the outside of the bulk layer (20) to constitute the outside of a packaging container (10) formed from the packaging material (16), a second innermost liquid tight layer (24) arranged on the inside of the bulk layer (20) to be in direct contact with the filled food product (12), and a barrier film or sheet (26) being laminated between the bulk layer (20) and the second, innermost liquid tight layer (24), wherein the barrier film or sheet (26) is a non-metal barrier film or sheet, or a barrier film or sheet having a metal content of 5 mass percent or less, wherein the bulk layer (20) is provided with at least one through-going hole (28) and the first liquid tight layer (22), the second liquid tight layer (24), and the barrier film or sheet (26) are forming a laminated membrane (30) at the area of the through-going hole (28). The barrier film or sheet (26) of the membrane (30) is provided with at least one slit (32).

Anmelder

Firma

Tetra Laval Holdings & Finance S.A.

Land

🇨🇭 Schweiz

Fachgebiete