摘要 |
<p>The present invention produces a curved article (10) having a hat-shaped cross section by means of press molding without generating cracks or wrinkles. When producing by means of press molding a curved article (10) having a roughly hat-shaped cross section comprising a top plate (11), vertical walls (12a, 12b) extending in parallel to each other along the ridge line (14a, 14b) of the top plate, and outward-facing flanges (13a, 13b) joined to the tips of the vertical walls, a starting material metal plate (601) is sandwiched and bound by a die (502) and a blank holder (505) and press molded while the starting material metal plate (601) is sandwiched and bound by a pad (503) and a punch (504).</p> |