Method and device for the production of foam using carbon dioxide dissolved under pressure
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United States of America Patent
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Mar 16, 1999
Grant Date -
N/A
app pub date -
Jun 18, 1998
filing date -
Jun 18, 1998
priority date (Note) -
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Abstract
A method and device are described for the production of foams from two-component reactive mixtures using carbon dioxide as expanding agent, by mixing at least one of the reactive components with carbon dioxide under pressure. That mixture is then mixed with the other reactive component(s) to form a foamable reactive mixture, which is expanded and cured to form the final product. The foamable reactive mixture is expanded to ambient pressure through at least one fine-meshed screen (21a, 21b, 21c).
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