Made to the rapid heating sections of continuous heat-treatment lines
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United States of America Patent
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Apr 23, 2013
Grant Date -
Mar 11, 2010
app pub date -
Apr 27, 2007
filing date -
May 2, 2006
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Method of reducing the formation of folds on metal strips (1) exposed to rapid heating in continuous heat-treatment lines, in which lines said strips are caused to pass through heating sections (2) comprising successive and separate heating means (5; 5a; 5b; 5c; 5d), wherein the average slope of the increase in temperature of the strip between the inlet and the outlet of a heating means decreases from one heating means to the following heating means.
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