Dual compound extruder apparatus with rotatable head
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United States of America Patent
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Jul 11, 2023
Grant Date -
Jun 25, 2020
app pub date -
Oct 9, 2019
filing date -
Dec 19, 2018
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Abstract
One or more embodiments of the present invention provide an apparatus for applying a mixture of a first compound and a second compound, the apparatus comprising a first extruder for processing a first compound and a second extruder for processing a second compound, wherein the outlet from the first extruder is in fluid communication with a first channel of a housing, and the outlet from the second extruder is in fluid communication with a second channel of the housing, wherein a gear pump is positioned in each channel, wherein a nozzle is in fluid communication with an outlet of the first channel and an outlet of the second channel, and a coextruded continuous strip is produced. The ratio of the first compound to the second compound may be adjusted instantaneously.
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