SYSTEM AND METHODS FOR INJECTING COLOR DURING MANUFACTURE OF BULKED CONTINUOUS CARPET FILAMENT
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United States of America
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Jan 23, 2020
app pub date -
Jul 17, 2019
filing date -
Jul 17, 2019
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Abstract
A method of introducing color to a polymer stream during the manufacturing of bulked continuous carpet filament comprises: adding a colorant to a polymer stream downstream of a primary extruder; changing a color probe within a color injection port while maintaining the flow of the polymer stream at a polymer stream pressure; using one or more static mixing assemblies for the polymer stream to substantially uniformly mix the polymer stream and its colorant; and spinning the polymer stream with its substantially uniformly mixed colorant into BCF using a spinning machine.
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