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Press Molding Device And Method For Producing Press Molded Article

Abstract: A press molding device (100, 100A, 100B, 100C, 100D) is provided with a punch (10, 10D), blank holders (30, 30B, 30C), and dies (20, 20C). Each punch shoulder (12) includes a curved part (121). Each curved part (121) curves concavely toward the inside of the punch (10, 10D) when viewed from a punch side surface (13). The blank holders (30, 30B, 30C) and the dies (20, 20C) are disposed adjacent to the curved part (121) when viewed from the pressing direction (P). When viewed from the pressing direction (P), at least one of a pressing surface (21) and a holder top surface (31) of the dies (20, 20C) has a smaller length along the extending direction of the punch shoulder (12) than the punch shoulder (12).

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Notices, Deadlines & Correspondence

Patent Information

Application #
Filing Date
13 October 2025
Publication Number
47/2025
Publication Type
INA
Invention Field
MECHANICAL ENGINEERING
Status
Email
Parent Application

Applicants

NIPPON STEEL CORPORATION
6-1, Marunouchi 2-chome, Chiyoda-ku, Tokyo 1008071

Inventors

1. URUSHIBATA, Ryo
c/o NIPPON STEEL CORPORATION, 6-1, Marunouchi 2-chome, Chiyoda-ku, Tokyo 1008071

Specification

Documents

Application Documents

# Name Date
1 202517098345-STATEMENT OF UNDERTAKING (FORM 3) [13-10-2025(online)].pdf 2025-10-13
2 202517098345-REQUEST FOR EXAMINATION (FORM-18) [13-10-2025(online)].pdf 2025-10-13
3 202517098345-PROOF OF RIGHT [13-10-2025(online)].pdf 2025-10-13
4 202517098345-POWER OF AUTHORITY [13-10-2025(online)].pdf 2025-10-13
5 202517098345-NOTIFICATION OF INT. APPLN. NO. & FILING DATE (PCT-RO-105-PCT Pamphlet) [13-10-2025(online)].pdf 2025-10-13
6 202517098345-FORM 18 [13-10-2025(online)].pdf 2025-10-13
7 202517098345-FORM 1 [13-10-2025(online)].pdf 2025-10-13
8 202517098345-FIGURE OF ABSTRACT [13-10-2025(online)].pdf 2025-10-13
9 202517098345-DRAWINGS [13-10-2025(online)].pdf 2025-10-13
10 202517098345-DECLARATION OF INVENTORSHIP (FORM 5) [13-10-2025(online)].pdf 2025-10-13
11 202517098345-COMPLETE SPECIFICATION [13-10-2025(online)].pdf 2025-10-13