POLYMER INJECTION SYSTEM COMPRISING MULTIPLE PUMPS AND METHODSOF USING SAME
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United States of America Patent
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Issued Date -
Jun 29, 2023
app pub date -
Dec 23, 2022
filing date -
Dec 23, 2021
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Abstract
An injection system for injecting additive into a polymer transfer line is disclosed. The injection system can include an extruder having an inlet and an outlet. The injection system can further include a melt pump subsystem comprising at least a first melt pump and a second melt pump. Each melt pump of the first and second melt pumps can have an inlet and an outlet. The inlet of each of the first and second melt pumps can be in fluid communication with the outlet of the extruder. The first and second melt pumps can be arranged in parallel so that flow from the outlet of the extruder divides between the first melt pump and the second melt pump. The outlet of each of the first and second melt pumps can be in fluid communication with a polymer transfer line.
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