Expanded grid
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United States of America Patent
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Jun 15, 2004
Grant Date -
Oct 2, 2003
app pub date -
Mar 28, 2002
filing date -
Mar 28, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Provided for herein is a method of making an expanded metal grid, comprising: compression rolling a metal strip at a reduction ratio from about 1.25 to 1, to about 25 to 1 to produce a rolled strip, heating the rolled strip at a temperature of at least about 125.degree. C., and at most about 325.degree. C. for at least about 30 seconds, to produce a heat treated metal strip having an equiaxial grain structure within; and expanding the heat treated metal strip to produce the expanded metal grid.
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