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US 12,605,921 B2Granted
Film packaging having cavities and being oriented in the direction of movement of the machine
AssigneeRkw SE
InventorsLeonhard Maier, Adrien Dembowski, Claudia Spicker, Luc Hermans, Frederic Wypelier, Konrad Noniewicz, Thomas Stroh, Claudia Bender
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Abstract
A recyclable, cold-sealing packaging having at least a first film and a cold-sealing compound and a print. The film is formed from a largely unmixed polyolefin, is stretched monoaxially in the machine direction and has at least two layers. At least one layer has an inorganic filler to create cavities in the layer.
Claims23
A recyclable, cold-sealing packaging (11, 13), comprising:
- a first film (1) having at least two layers (5, 6),
- a cold-sealing compound (2), and
- a print (4) arranged adjacent to the first film (1),
- the first film (1) being formed from a substantially unmixed polyolefin and being stretched monoaxially in a machine direction,
- at least one of the at least two layers (5,6) comprising an inorganic filler for creating cavities in the layer, and
- the inorganic filler and the monoaxial stretching in the machine direction resulting in the first film (1) having an opacity of more than 80% according to DIN 53416.
3 more elements
Dependencies are inferred from the claim text.