Temperature control indicating apparatus of a hot runner in a thermoplastic synthetic resin injection molding system
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United States of America Patent
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Feb 6, 1990
Issued Date -
N/A
app pub date -
May 12, 1988
filing date -
Dec 5, 1984
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In a temperature control indicating apparatus of a hot runner in a thermoplastic synthetic resin injection molding system, the apparatus has a hot runner comprising a body heater, a tip heater and a temperature sensor. The hot runner is connected to a hot runner temperature control circuit having A/D converter. The apparatus has the function of arithmetic control, setting operation and display. Further, the apparatus comprises a digital control means including a microprocessor, thereby the body heater of the hot runner is digital-controlled in the process of thermoplastic synthetic resin injection molding operation.
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