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US 2026/0077549 A1Published application
Liner for a container
AssigneeRkw SE
InventorsChristian REINDL, Florian GLASEDONNER, Leonhard MAIER
Life of this patent
Estimating the term…
Abstract
A liner (1) for a container for holding a granulate which has a blowing agent. The liner (1) has at least one polyamide layer (4) which is arranged between two ethylene copolymer layers (2).
Claims19
A liner (1) for a container (5) for holding a granulate containing a blowing agent,
- the liner (1) comprising:
- two ethylene copolymer layers (2), and
- at least a polyamide layer (4) arranged between the two ethylene copolymer layers (2).
A method of manufacturing a liner (1) comprising the following steps:
- preparing and producing various polymer mixtures,
- coextruding a polyamide layer (4) with two ethylene copolymer layers (2), the polyamide layer (4) being arranged between the two ethylene copolymer layers (2), and the bonding layers (3) being arranged between the polyamide layer (4) and the two ethylene copolymer layers (2), to form a liner (1),
- wherein the polyamide layer (4) is formed as an innermost layer.
Dependencies are inferred from the claim text.