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US 2021/0228017 A1Published application
Beverage-brewing package
AssigneeBerry Plastics Corporation
InventorsDavid W. CONANT, Debra R. WILSON, Yucheng PENG
Life of this patent
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Abstract
A beverage brewing package includes a cup and a sealant film. The cup may be formed by a thermoforming process.
Claims2
A cup for a beverage brewing package, the cup comprising
- a floor,
- a brim located spaced-apart from the floor and extending circumferentially around a central axis, and
- a side wall extending from the floor to the brim,
- wherein the cup comprises a multi-layer sheet configured to form a cannula aperture in response to a force being applied by a cannula to the cup so that any fractures extending from the cannula aperture are minimized and the multi-layer sheet has a density less than about 1 g/cm3 to cause the multi-layer sheet to float in a sink/float separation tank, and
- wherein the multi-layer sheet comprises a polypropylene impact copolymer and a mineral filler.
2 more elements
A multi-layer sheet comprising
- an inner-skin layer,
- a barrier layer, and
- an outer-skin layer spaced-apart from the inner-skin layer to locate the barrier layer therebetween,
- wherein the outer-skin layer comprises a polypropylene impact copolymer and a mineral filler and wherein the multi-layer sheet has a density of about 0.9 g/cm3 to about 0.98 g/cm3.
1 more element
Dependencies are inferred from the claim text.