Molding of paperboard containers
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United States of America Patent
Stats
-
Jan 1, 1985
Grant Date -
N/A
app pub date -
Dec 10, 1982
filing date -
Dec 10, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Heat resistant ovenable paperboard containers are formed from wet sheets consisting essentially of cellulose fibers and containing 50 to 100 weight percent water based on the dry weight of the fibers by hot pressing in a mold at 200.degree. to 400.degree. F. Heat resistant synthetic fibers may be incorporated in wood pulp to produce the wet sheet and impart improved burst strength to the finished product.
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Cited Art Landscape
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