Solid state microcellular foaming method including continuous saturation of solid polymeric material
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United States of America Patent
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Nov 19, 2019
Grant Date -
Mar 2, 2017
app pub date -
Aug 26, 2016
filing date -
Aug 31, 2015
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Abstract
A method for saturating a thermoplastic polymer material includes continuously moving the polymer material through a pressurized pressure vessel. To do this, the method includes sealing the pressure vessel with a series of dynamic seals that allows the polymer material to continuously move through the pressure vessel while maintaining the pressure inside the pressure vessel.
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