Method of producing molded bodies of a metal foam
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United States of America Patent
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Feb 2, 1999
Grant Date -
N/A
app pub date -
Apr 18, 1997
filing date -
Apr 19, 1996
priority date (Note) -
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Abstract
A method of making castings of metal foam in which compacts of the metal, e.g. aluminum, and a gas-producing foaming agent are heated in a chamber from which the foaming mass is driven completely into the mold cavity so that some residual foaming can complete the distribution of the foam in the mold cavity. The volume of the compacts is selected such that upon complete foaming, it will fill the mold cavity.
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