Method of manufacturing biodegradable packaging material and apparatus therefor
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United States of America Patent
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N/A
Issued Date -
Nov 17, 2005
app pub date -
Apr 29, 2005
filing date -
Apr 30, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An apparatus and a method for making a biodegradable material are disclosed. The apparatus comprises an extruder for forming a foamed starch rod and a heated die for modifying the rod. The rod is fed through the heated die by feeding rollers. A bonding agent application station is located downstream of the heated die and upstream of a packing unit. The method comprises forming a foamed starch rod by extrusion and passing the rod through a heated die. The rods may be formed into sheets or blocks by cutting, the application of bonding agent and adhering the cut rods together.
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