Endothermic footwear insert
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United States of America Patent
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Apr 3, 2018
Issued Date -
N/A
app pub date -
Dec 2, 2015
filing date -
Sep 29, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A personal cooling device that provides cooling to a user, e.g., a wearer's feet, assuring even temperature distribution across contoured surfaces irrespective of the orientation of the personal cooling device and regardless of the pull of gravity. The personal cooling device includes a flexible non-porous upper component, a flexible non-porous lower component, a porous absorbent carrier component, at least one dry chemical reactant and at least one containment including at least one liquid reactant. The carrier component includes at least one dry chemical reactant distributed on the surface area thereof. When the at least one dry chemical reactant is combined with the at least one liquid chemical reactant and is absorbed by the carrier component, an endothermic reaction is produced. The carrier component absorbs the resulting cool substance evenly distributed thereover and, thereby assures equal distribution of this actual cooling throughout the entire device. The at least one containment is adapted to rupture under applied pressure. The upper and lower components are inseparably sealed to each other at their respective perimeters, the attachment forming a volume adapted to encapsulate the carrier component, the at least one dry chemical reactant and the at least one containment.
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