Method for manufacturing press formed product
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United States of America Patent
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Jul 6, 2021
Grant Date -
Jul 30, 2020
app pub date -
Jul 25, 2018
filing date -
Aug 2, 2017
priority date (Note) -
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Abstract
A method for manufacturing a press formed product is disclosed. The method for manufacturing a press formed product includes: when a metal sheet is press formed to manufacture a product having a product shape of a hat-shaped cross-section, in which a top plate part and a flange part are continuous in a width direction through a side wall part and the top plate part and the flange part curve convexly or concavely toward the top plate part along a longitudinal direction, a first step of manufacturing an intermediate component by press forming into a component shape having a hat-shaped cross-section, in which a curve of each of the top plate part and the flange part along the longitudinal direction has a second curvature radius smaller than a curvature radius in the product shape; and a second step of press forming the intermediate component into the product shape.
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