Laminate of metal powder and foaming agent between two metal layers
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United States of America Patent
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May 2, 2006
Grant Date -
Jun 26, 2003
app pub date -
Jan 17, 2001
filing date -
Jan 19, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to a process for forming a laminate comprising a core of a compressed metal powder mixed with a foaming agent between two metal layers, comprising the successive steps of providing two metal strips and a stock of powder comprising a metal powder mixed with a foaming agent; applying a layer of the powder between the two metal strips; feeding the metal strips, with the powder between them, to a rolling mill; rolling the two strips with the powder between them to form a laminate of compressed powder between two metal layers.The invention also relates to an associated device and to the product formed using the process.
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