US 11,806,773 B2
Press-formed article, press-forming method, and press-forming apparatus
Yasuharu Tanaka, Nagoya (JP); Misao Ogawa, Tokai (JP); Takashi Miyagi, Nagoya (JP); Toshimitsu Aso, Tokai (JP); Hiroyuki Tanoue, Nagoya (JP); and Ryo Kuroda, Nagoya (JP)
Assigned to NIPPON STEEL CORPORATION, Tokyo (JP)
Filed by NIPPON STEEL CORPORATION, Tokyo (JP)
Filed on Jun. 25, 2021, as Appl. No. 17/359,040.
Application 17/359,040 is a division of application No. 15/576,187, granted, now 11,097,331, previously published as PCT/JP2016/066238, filed on Jun. 1, 2016.
Claims priority of application No. 2015-111436 (JP), filed on Jun. 1, 2015.
Prior Publication US 2021/0323044 A1, Oct. 21, 2021
Int. Cl. B62D 25/20 (2006.01); B21D 28/26 (2006.01); B21D 22/02 (2006.01); B21D 24/16 (2006.01); B21D 22/20 (2006.01); B21D 22/26 (2006.01); B21D 53/88 (2006.01)
CPC B21D 28/26 (2013.01) [B21D 22/02 (2013.01); B21D 22/20 (2013.01); B21D 22/26 (2013.01); B21D 24/16 (2013.01); B21D 53/88 (2013.01); B62D 25/20 (2013.01)] 4 Claims
OG exemplary drawing
 
1. A press-formed article comprising:
a top sheet portion;
a sidewall continuing to the top sheet portion via a convex ridge line portion;
a flange continuing to the sidewall via a concaved ridge line portion; and
an outward flange continuing from an edge portion of the top sheet portion to an edge portion of the flange, via an edge portion of the convex ridge line portion, an edge portion of the sidewall, and an edge portion of the concaved ridge line portion, wherein
in a same unit, an average thickness TAve, a minimum thickness TMin, and a maximum thickness TMax of the outward flange satisfy Equation 1 and Equation 2,
0.8×TAve<Tmin<TAve  (Equation 1),
TAve<TMax≤1.2×TAve  (Equation 2).