Hat shaped cross-section component manufacturing method
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United States of America Patent
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Jul 17, 2018
Grant Date -
Dec 29, 2016
app pub date -
Dec 22, 2014
filing date -
Dec 26, 2013
priority date (Note) -
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Abstract
A method produces a press-molded article having a hat shaped cross-section with flanges at both sides, a top plate, vertical walls at both sides, and having a shape curved in the vertical direction to an inverted checkmark shape along the longitudinal direction when the molded article is viewed from a side face with the top plate section on the top side. An intermediate molded body is formed by drawing a metal stock sheet into an intermediate shape, and after preparing the outside shape of the intermediate molded body by trimming, drawing is subsequently performed to form the final shape.
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