Multi-component extrusion die head, multi-component extrusion system and method for producing a composite tube
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United States of America Patent
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Aug 22, 2023
Grant Date -
Jan 14, 2021
app pub date -
Feb 7, 2018
filing date -
Mar 17, 2017
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Abstract
A multi-component extrusion die head for producing a composite tube comprises an extrusion nozzle, a main die head, and a melt flow distributor device. The main die head is configured to supply the extrusion nozzle with a first melt flow and a second melt flow, which are guided separately from one anther in the extrusion nozzle away from the main die head and toward a nozzle outlet of the extrusion nozzle. The melt flow distributor device is arranged in the extrusion nozzle outside of the main die head and is configured to split the first melt flow in a peripheral direction thereof, and to supply the second melt flow to the first melt flow such that at least one section of the second melt flow is arranged within the first melt flow in the peripheral direction.
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