Process for making metal fiber/metal powder sheet
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United States of America Patent
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Feb 11, 2003
Grant Date -
Jul 25, 2002
app pub date -
Oct 26, 2001
filing date -
Mar 31, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Provided by the present invention is a wet-layed, nonwoven sheet which is comprised of metal fiber and metal powder. Generally, the amount of metal fiber comprises from 20 to 95% by weight and the amount of metal comprises from 5 to 80% by weight of the sheet. Such a wet-layed nonwoven sheet is economically preferable to a sheet comprised totally of metal fiber, since the metal powder is much less expensive. Among other factors, the present invention is based upon the recognition that by using various process techniques, the combination of metal fiber and metal powder can be wet-layed to obtain a structure of sufficient strength for subsequent handling and sintering.
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