FEEDBLOCK FOR MAKING MULTILAYERED FILMS
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United States of America Patent
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Issued Date -
Jan 10, 2013
app pub date -
Mar 3, 2011
filing date -
Mar 25, 2010
priority date (Note) -
Abandoned
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Abstract
Generally, the present description relates to a feedblock and a multilayer film die for creating polymeric multilayered films. The feedblock includes a stack of many layers of thin metal plates having flow profile cutouts, to create alternating layers of polymer.
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