Method for manufacture of biodegradable disposable container
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United States of America Patent
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Feb 14, 1995
Grant Date -
N/A
app pub date -
Sep 20, 1993
filing date -
Dec 31, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method for manufacture of a biodegradable disposable container, which container is biodegradable and reduces generation amount of the refuse, and prevents environmental pollution. The method comprises the steps of i) mixing 40-46 weight % of fine granular sawdust powder with 29-35 weight % of albumen and agitating, ii) mixing the result mixture with 17-23% of a potato starch and 4-6% of sodium metaphosphate and agitating, iii) compression-molding the result mixture into a container by a compression mold under the pressure of about 3 Kg/cm.sup.2, iv) steaming the compression-molded container in a steaming box for about 30 minutes at a temperature in the range of about 85.degree. C.-95.degree. C. and drying, and v) applying a resin coating to inner and outer surfaces of the container and drying.
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