Self-heating container
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United States of America Patent
Stats
-
Jan 23, 1990
Grant Date -
N/A
app pub date -
Aug 2, 1988
filing date -
Aug 10, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A self-heating container is capable of generating heat by hydration of an exothermic rection agent and includes an outer shell, an envelope enclosing the exothermic reaction agent, a water bag filled with water for reaction with the agent, and a container body for containing foodstuff. The container body is formed of a sheet member including a metal foil and a synthetic resin layer attached on at least one side of the metal foil. The sheet member is folded to have a W-shaped cross section and is heat-sealed along the vertical and upper edges. The inverted V-shaped portion of the folded sheet defines a chamber for accommodating the envelope outside the container body.
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