Apparatus for producing foamed moldings, and method for producing laminated foamed moldings and foamed moldings produced thereby
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United States of America Patent
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Issued Date -
May 20, 2004
app pub date -
Sep 29, 2003
filing date -
Mar 29, 2001
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Abandoned
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Abstract
In producing a product foamed molding by molding into a specified shape a foamed product obtained by foaming a kneaded product obtained by kneading a fibrous material with an aqueous solution, followed by drying, an aqueous solution in which a binder mainly composed of gelatin and/or glue having a jelly strength of 130 Bloom or more is dissolved is used as the aqueous solution, whereby the generation of depressions in a pockmark form on a surface of the product foamed molding can be prevented to increase the yield of the product, and the specific gravity of the product can be reduced, thus being able to produce the foamed molding such as a cushioning material excellent in elastic performance economically, continuously and in large amounts.
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