US 11,747,050 B2
Sealed package for solid reactant in self-heating assembly
Corey R. Blanchette, Sarasota, FL (US); Cullen M. Sabin, Bradenton, FL (US); and Alan James Maskell, Grittleton (GB)
Assigned to Tempra Technology, Inc., Bradenton, FL (US)
Filed by Tempra Technology, Inc., Bradenton, FL (US)
Filed on Oct. 28, 2020, as Appl. No. 17/82,710.
Claims priority of provisional application 62/927,930, filed on Oct. 30, 2019.
Prior Publication US 2021/0131705 A1, May 6, 2021
Int. Cl. F24V 30/00 (2018.01); B65D 81/34 (2006.01); A47J 36/28 (2006.01)
CPC F24V 30/00 (2018.05) [B65D 81/3484 (2013.01); A47J 36/28 (2013.01)] 30 Claims
OG exemplary drawing
 
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.