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US 11,358,779 B2Granted
Container with liner
AssigneeGraphic Packaging International, Inc.
InventorPaul Tye
Life of this patent
Estimating the term…
Abstract
A container for heating a food product. The container comprises a base layer of material and a liner releasably attached to an inner surface of the base layer. The liner is separable from the base layer after heating the container. The container comprises a bottom panel, and end panel foldably connected to the bottom panel, a side panel foldably connected to the bottom panel, and a corner panel foldably connected to the bottom panel. The corner panel extends between the end panel and the side panel.
Claims35
A container for heating a food product, the container comprising:
- a base layer of material and a liner releasably attached to an inner surface of the base layer, wherein the liner is separable from the base layer after heating the container;
- a bottom panel;
- an end panel foldably connected to the bottom panel;
- a side panel foldably connected to the bottom panel;
- a corner panel foldably connected to the bottom panel, the corner panel extending between the end panel and the side panel;
- a sidewall extending around the bottom panel, wherein the sidewall comprises the end panel, the side panel, and the corner panel, and the sidewall and the bottom panel at least partially define an interior of the container;
- and
- a flange extending outwardly from the sidewall, the flange extending along a perimeter of the sidewall, wherein the end panel comprises an end flange portion, the side panel comprises a side flange portion, and the corner panel comprises a corner flange portion, the end flange portion, the side flange portion, and the corner flange portion cooperate to at least partially form the flange, and the corner flange portion is in an overlapping relationship with each of the end flange portion and the side flange portion;
- wherein the sidewall comprises a lower portion foldably connected to an upper portion along an intermediate fold line extending in the sidewall, the upper portion is oblique with respect to the lower portion, and the intermediate fold line extends in at least the end panel, the side panel, and the corner panel.
6 more elements
In combination, a blank and a liner material for forming a container for heating a food product, the blank comprising:
- a bottom panel;
- an end panel foldably connected to the bottom panel, the end panel comprising an end flange portion;
- a side panel foldably connected to the bottom panel, the side panel comprising a side flange portion;
- and
- a corner panel foldably connected to the bottom panel, the corner panel comprising a corner flange portion, the corner panel being disposed between the end panel and the side panel so that the corner panel extends between the end panel and the side panel when the container is formed from the blank and the liner material;
- wherein the blank is for forming a base layer of the container, and the liner material is for being releasably attached to an inner surface of the base layer when the container is formed from the blank and the liner material so that the liner is separable from the base layer after heating of the container formed from the blank and the liner material;
- wherein the end panel, the side panel, and the corner panel are for at least partially forming a sidewall extending around the bottom panel when the container is formed from the blank and the liner material;
- wherein the flange portions cooperate to at least partially form a flange of the container formed from the blank and the liner material, and the corner flange portion is in an overlapping relationship with each of the end flange portion and the side flange portion when the container is formed from the blank and the liner material;
- wherein, when the container is formed from the blank and the liner material, the sidewall comprises a lower portion foldably connected to an upper portion along an intermediate fold line extending in the sidewall, the upper portion is oblique with respect to the lower portion, and the intermediate fold line extends in at least the end panel, the side panel, and the corner panel.
6 more elements
A method of forming a container comprising:
- obtaining a blank comprising a bottom panel, an end panel foldably connected to the bottom panel, a side panel foldably connected to the bottom panel, and a corner panel foldably connected to the bottom panel, the end panel comprises an end flange portion, the side panel comprises a side flange portion, and the corner panel comprises a corner flange portion;
- forming the blank into an initial construct by folding the end panel, the side panel, and the corner panel with respect to the bottom panel so that the corner panel extends between the end panel and the side panel, wherein the forming the blank into the initial construct comprises forming a sidewall extending around the bottom panel, the sidewall comprising the end panel, the side panel, and the corner panel, the sidewall and the bottom panel at least partially define an interior of the container, and wherein the forming the blank into the initial construct further comprises forming a flange extending outwardly from the sidewall and along a perimeter of the sidewall, the flange comprising the end flange portion, the side flange portion, and the corner flange portion, and the forming the flange comprising positioning the corner flange portion in an overlapping relationship with each of the end flange portion and the side flange portion;
- and
- applying a liner material to an inner surface of the initial construct so that the liner material and the initial construct form a respective liner and base layer of the container and so that the liner is releasably attached to the inner surface of the base layer, the liner being separable from the base layer after heating of the container;
- wherein the sidewall comprises a lower portion foldably connected to an upper portion along an intermediate fold line extending in the sidewall, the upper portion is oblique with respect to the lower portion, and the intermediate fold line extends in at least the end panel, the side panel, and the corner panel.
2 more elements
Dependencies are inferred from the claim text.