Loading patent…
AssigneeTetra Laval Holdings & Finance S.A.
InventorsLuca SPINELLI, Henrik SKANSE, Dan ROBERTSSON, Gabor BENKÖ
Estimating the term…
A laminated packaging material is provided. The laminated packaging material comprises a bulk layer of paper or paperboard or other cellulose-based material comprising a plurality of longitudinally distributed holes extending through the bulk layer, one or more outside layers being laminated to the bulk layer, one or more inside layers being laminated to the bulk layer, wherein said inside and outside layers covering said holes on the bulk layer and so form the plurality of longitudinally distributed laminated holes, and a plurality of longitudinally distributed primary holes extending through the entire thickness of the of the associated laminated hole and wherein the each primary hole is surrounded by the edges of the laminated hole.
A method for producing a laminated packaging material ready to be fed to a packaging forming and filling machine, which requires no additional equipment to prepare holes on the laminated packaging material, comprising:
A laminated packaging material ready to be fed to a packaging forming and filling machine, which requires no additional equipment to prepare holes on the laminated packaging material, comprising a bulk layer of paper or paperboard or other cellulose-based material comprising a plurality of longitudinally distributed holes extending through the bulk layer, one or more outside layers being laminated to the bulk layer, one or more inside layers being laminated to the bulk layer, wherein said inside and outside layers covering said holes on the bulk layer and so form the plurality of longitudinally distributed laminated holes, and a plurality of longitudinally distributed primary holes extending through the entire thickness of the associated laminated hole, wherein the each primary hole is surrounded by the edges of the associated laminated hole.
Dependencies are inferred from the claim text.