US2019118238A1PendingUtilityA1

Pressed component manufacturing method, pressed component, mold, and press apparatus

Assignee: NIPPON STEEL & SUMITOMO METAL CORPPriority: Apr 22, 2015Filed: Nov 19, 2018Published: Apr 25, 2019
Est. expiryApr 22, 2035(~8.7 yrs left)· nominal 20-yr term from priority
B21D 5/01B21D 22/26B21D 22/30B21D 22/22B21D 19/08
69
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Claims

Abstract

A pressed component includes an elongated top plate; ridge line portions at both short direction ends of the top plate; and vertical walls that face each other in a state extending from the ridge line portions, and the top plate includes a minimum portion, at which the Vickers hardness value is a minimum value, between one end and another end in the short direction of the top plate, and maximum portions, at which the Vickers hardness value is a maximum value, in each of a first range between the minimum portion and the one end, and a second range between the minimum portion and the other end.

Claims

exact text as granted — not AI-modified
1 . A pressed component comprising:
 an elongated top plate;   ridge line portions at both short direction ends of the top plate; and   vertical walls that face each other in a state extending from the ridge line portions, and   the top plate including:   a minimum portion where the Vickers hardness value is a minimum value between one end and another end in the short direction of the top plate, and   maximum portions where the Vickers hardness value is a maximum value in each range out of a first range between the minimum portion and the one end, and a second range between the minimum portion and the other end.   
     
     
         2 . The pressed component of  claim 1 , wherein the Vickers hardness value of the minimum portion of the top plate is at least 2.3% smaller than the Vickers hardness value of each maximum portion.

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