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:
Dec. 10, 2019
Filed:
Feb. 21, 2017
Nisshin Steel Co. Ltd., Tokyo, JP;
Naofumi Nakamura, Tokyo, JP;
Yudai Yamamoto, Tokyo, JP;
Nippon Steel Nisshin Co., Ltd., Tokyo, JP;
Abstract
Provided is a method for producing a molded material by molding processes including at least one drawing-out process and at least one drawing process performed after the drawing-out process, in which a width of a punchused in the drawing-out process on a rear end side is wider than a width of the punch on a distal end side, and an ironing process is performed on a region corresponding to a flange of a base metal sheetby pushing the base metal sheet together with the punchinto a pushing hole, and the drawing process is carried out using a die and a drawing sleeve, and processing is performed on a region subjected to the ironing process in the drawing-out process, while maintaining a constant mold gap between the die and the drawing sleeve.