CPC F24V 30/00 (2018.05) [B65D 81/3484 (2013.01); A47J 36/28 (2013.01)] | 30 Claims |
1. A sealed package for a self-heating assembly, the sealed package comprising:
an outer container;
a lower support structure within the outer container;
a layer of solid reactant above the lower support structure and within the outer container;
an upper structure above the solid reactant and within the outer container; and
an upper layer that is permeable to liquid and that extends across an otherwise open top of the outer container above the upper structure,
wherein the lower support structure comprises a material selected from the group consisting of open cell foam, felt, a filter pad, a quilted tea bag material, deep flocking, a water-permeable honeycomb, deep-pile carpet, short lengths of tubing packed tightly together, and a layered mass of tissue paper.
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