The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 12, 2025
Filed:
Mar. 30, 2021
Nippon Steel Corporation, Tokyo, JP;
Kenta Uenishi, Tokyo, JP;
Toshiya Suzuki, Tokyo, JP;
NIPPON STEEL CORPORATION, Tokyo, JP;
Abstract
A hot press line () includes: a heating device (); a first press device () having first die parts (A,B); a second press device () having second die parts (A,B); a first transportation device () that transports a metal sheet (B) to the first press device; and a second transportation device () that transports the metal sheet (B) to the second press device. One of the pair of first die parts and the pair of second die parts includes a clearance portion (Ac) recessed inwardly, whereas the other pair of die parts includes an abutment surface (At) in at least part of the portion corresponding to the clearance portion (Ac) of the one pair of die parts, where the abutment surface abuts the metal sheet (B) when the die is at the bottom-dead center.