Method for producing a heat-insulating paper container from a paper coated or laminated with a thermoplastic synthetic resin film
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United States of America Patent
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Mar 6, 1984
Grant Date -
N/A
app pub date -
Dec 29, 1981
filing date -
Dec 29, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A heat-insulating paper container having good heat-insulating property which can be prepared easily at low cost is disclosed. The paper container is prepared by heating a paper container comprising a body member and a bottom member, wherein one surface of at least the container body member is coated or laminated with a thermoplastic synthetic resin film and the other surface of the body member is coated or laminated with the same or different thermoplastic synthetic resin film or an aluminum foil, to thereby foam the thermoplastic synthetic resin film and form a heat-insulating layer on at least one surface of the container.
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