Method and apparatus for manufacturing fiber-reinforced, foamed paperlike products
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United States of America Patent
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Feb 18, 2003
Grant Date -
N/A
app pub date -
Dec 2, 1999
filing date -
Sep 27, 1996
priority date (Note) -
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Abstract
A method for manufacturing products with a blown foamy structure, starting from a mass comprising at least natural polymers such as starch and fibers, in particular natural fibers, wherein the mass (M, S) is passed under pressure into or through a mould (23, 63) and the mass (M, S) is heated in the mould (23, 63) in a manner such as to give rise to gelatinization and cross-linking of the natural polymers, with the fibers extending through the product, while the mass prior to the introduction into the mould has temperature which is below the gelatinization temperature and in the mould is brought at least to the baking temperature.
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