Extruder temperature controller
Number of patents in Portfolio can not be more than 2000
United States of America
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Jun 4, 1985
Grant Date -
N/A
app pub date -
Apr 13, 1983
filing date -
Jun 15, 1979
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A plastic extruder system having a barrel and a shell with heat exchange elements surrounding the barrel is disclosed. Two thermocouples are provided, one for sensing the temperature of the inner surface of the barrel and the other for sensing the temperature of the shell. A system controller, into which a desired barrel setpoint temperature can be set and stored, receives and stores the independent temperature signals from the thermocouples and controls the heat exchange elements to automatically maintain the temperature of the extruder barrel close to the desired barrel setpoint temperature.
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