Verpackungsmaterial und Verfahren zur Herstellung eines Derartigen Verpackungsmaterials

Details

Veröffentlichungs-Nr.

EP4223479

Aktenzeichen

EP23154496

Anmeldetag

1. Februar 2023

Veröffentlichung

12. November 2025

Erteilung

12. November 2025

Rechtsraum

EP

IPC

B29C45/14B32B37/15B32B38/04// B32B3/26B32B27/08B32B27/10B32B29/00B65D5/74B29L31/56B65B9/20B65B25/00B65B61/24B65B61/18B65B55/10

Abstract

A laminated packaging material (10) is provided. The laminated packaging material (10) comprises a bulk layer (12) of paper or paperboard or other cellulose-based material comprising a plurality of longitudinally distributed holes extending through the bulk layer (12), one or more outside layers (14) being laminated to the bulk layer (12), one or more inside layers (16, 18, 19) being laminated to the bulk layer (12), wherein said inside and outside layers (14, 16, 18, 19) covering said holes on the bulk layer and so form the plurality of longitudinally distributed laminated holes (30), and a plurality of longitudinally distributed primary holes (31) extending through the entire thickness of the of the associated laminated hole and wherein the each primary hole (31) is surrounded by the edges of the laminated hole (30).

Anmelder

Firma

Tetra Laval Holdings & Finance S.A.

Land

🇨🇭 Schweiz

Fachgebiete