Steel sheet heating device, method for producing press-formed part, and press-formed part
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United States of America Patent
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Issued Date -
Dec 15, 2011
app pub date -
Jun 9, 2011
filing date -
Jun 11, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
It is provided a steel sheet heating device that heats a flat steel sheet, including: a hot plate having a flat heating surface brought into close contact with the steel sheet; and a plurality of heating equipment able to heat a plurality of heating regions, formed by dividing the heating surface of the hot plate into a plurality of sections, to different heating temperatures at the same time, wherein the steel sheet is heated to different temperatures at various portions based on the heating temperatures of the plurality of heating regions of the heating surface, at the same time through a single heating treatment.
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