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US 11,377,258 B2Granted
Container end closure liner and methods of preparing the same
AssigneeNovelis Inc.
InventorsIan Mussen Campbell, Sebastijan Jurendic
Life of this patent
Estimating the term…
Abstract
An improved metal or glass container is described. The metal or glass container includes a body portion and an end closure. The end closure includes a laminated polymer film attached to the product facing side of the end closure. When the container is sealed, the laminated polymer film attached to the product facing side of the end closure forms a liner.
Claims19
A container, comprising:
- a body comprising a sealable opening, a product facing body side, and a consumer facing body side;
- and
- an end closure comprising a product facing closure side and a consumer facing closure side,
- wherein the sealable opening is configured to receive the end closure,
- wherein the product facing closure side comprises a laminated film,
- wherein the consumer facing closure side is:
- 1) an aluminum end stock, or
- 2) an aluminum end stock coated with a conversion layer comprising titanium,
- zirconium, compounds of trivalent chromium (Cr(III)) and phosphates, and combinations thereof, and
- wherein the laminated film on the product facing closure side contacts the product facing body side providing an end closure liner;
- and
- wherein the container is a metal container comprising aluminum, an aluminum alloy, magnesium, a magnesium-based material, titanium, a titanium-based material,
- copper, a copper-based material, steel, a steel-based material, bronze, a bronze-based material, brass, a brass-based material, or any combination thereof.
10 more elements
A method for preparing a container having an end closure liner, comprising:
- providing a body comprising a sealable opening, a product facing body side, and a consumer facing body side;
- providing an end closure stock, wherein the end closure stock comprises a product facing closure side, and a consumer facing closure side;
- laminating the product facing closure side of the end closure stock with a polymer film;
- forming an end closure from the end closure stock;
- and
- sealing the body with the end closure to provide a sealed container,
- wherein the consumer facing closure side is:
- 1) an aluminum end stock, or
- 2) an aluminum end stock coated with a conversion layer comprising titanium,
- zirconium, compounds of trivalent chromium (Cr(III)) and phosphates, and combinations thereof.
7 more elements
Dependencies are inferred from the claim text.