Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Byung Gil Yoo0
Chee Woong Song0
Hyeong-Hyeop Do0
Seung Ha Lee0
Date of Patent
August 2, 2022
0Patent Application Number
157591850
Date Filed
January 14, 2016
0Patent Primary Examiner
CPC Code
A method for producing a molded article includes the steps of: preparing a first steel plate and a second steel plate. The first steel plate and the second steel plate are joined to each other, thereby preparing a joined steel plate. The joined steel plate is heated at a temperature between 910° C. and 950° C. The heated joined steel plate is then subjected to hot-press molding, thereby preparing an intermediate molded article; and cooling the intermediate molded article, wherein the first steel plate has a tensile strength (TS) higher than that of the second steel plate.
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