Cardboard container for drinks and process therefor
First Claim
Patent Images
1. A cardboard container, comprising:
- a perimetral wall having an upper end and a lower end,a bottom wall attached to the lower end of said perimetral wall,an outside wall surrounding said perimetral wall, an upper end of said outside wall arranged to the upper end of said perimetral wall, a lower edge of said outside wall having an inward curl that is disposed against the lower end of said perimetral wall above an uppermost surface of said bottom wall such that a lowermost vertical portion of said perimetral wall is visible, anda heat-insulating air gap defined between said outside wall and said perimetral wall,wherein said perimetral wall comprises at least one inwardly extending projection configured to support a corresponding lower edge of a corresponding outside wall of a further container when stackedly arranged inside said container.
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Accused Products
Abstract
A cardboard container for drinks and a process for making it is provided. The container has a perimetral wall (2) and a bottom wall and includes elements (4) for supporting another such container (1) nested inside.
384 Citations
15 Claims
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1. A cardboard container, comprising:
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a perimetral wall having an upper end and a lower end, a bottom wall attached to the lower end of said perimetral wall, an outside wall surrounding said perimetral wall, an upper end of said outside wall arranged to the upper end of said perimetral wall, a lower edge of said outside wall having an inward curl that is disposed against the lower end of said perimetral wall above an uppermost surface of said bottom wall such that a lowermost vertical portion of said perimetral wall is visible, and a heat-insulating air gap defined between said outside wall and said perimetral wall, wherein said perimetral wall comprises at least one inwardly extending projection configured to support a corresponding lower edge of a corresponding outside wall of a further container when stackedly arranged inside said container. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A process for manufacturing a cardboard container which comprises the following steps:
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providing a blank; obtaining a perimetral creasing on said blank onto a surface forming a wall of said container; and assembling said blank so as to manufacture said container; wherein said cardboard container has a perimetral wall, a bottom wall and an outside wall surrounding said perimetral wall with a heat-insulating air gap being defined between said outside wall and said perimetral wall, wherein said perimetral wall comprises said perimetral creasing as an inwardly extending projection configured to support a lower edge of the outside wall of a further container when stackedly arranged inside said container, the lower edge of the outside wall having an inward curl that is disposed against the lower end of said perimetral wall above an uppermost surface of said bottom wall such that a lowermost vertical portion of said perimetral wall is visible, and wherein the heat-insulating gap is increased in the region of the projection, the heat-insulating gap extends in circumferential direction of the container and extends between the lower edge and an upper end of said outside wall. - View Dependent Claims (10)
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11. A process for manufacturing a cardboard container, which comprises the following steps:
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providing a blank; arranging said blank on a revolving supporting member to form said container; and forming a perimetral creasing during formation of said container with a related complementary knurl adapted to cooperate with said supporting member; wherein said cardboard container has a perimetral wall, a bottom wall and an outside wall surrounding said perimetral wall with a heat-insulating air gap being defined between said outside wall and said perimetral wall, wherein said perimetral wall comprises said perimetral creasing as an inwardly extending projection configured to support a lower edge of the outside wall of a further container when stackedly arranged inside said container, the lower edge of the outside wall having an inward curl that is disposed against the lower end of said perimetral wall above an uppermost surface of said bottom wall such that a lowermost vertical portion of said perimetral wall is visible, and wherein the heat-insulating gap is increased in the region of the projection, the heat-insulating gap extends in circumferential direction of the container and extends between the lower edge and an upper end of said outside wall. - View Dependent Claims (12)
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13. A container comprising:
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a perimeter wall having an upper end and a lower end; a bottom wall attached to the lower end of the perimeter wall; an outside wall surrounding the perimeter wall, an upper end of the outside wall extending to the upper end of the perimeter wall, a lower edge of the outside wall having an inward curl that is disposed against the lower end of the perimeter wall above an uppermost surface of the bottom wall such that a lowermost vertical portion of the perimeter wall is visible; and a heat-insulating air gap defined between the outside wall and the perimeter wall, the perimeter wall having at least one inwardly extending projection configured to support a corresponding lower edge of a corresponding outside wall of a further container when the further container is stacked within the container. - View Dependent Claims (14, 15)
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Specification