FORMED ARTICLE PRODUCTION METHOD, BLANK, AND POLYGONAL TUBE DEEP DRAWING FORMED ARTICLE

A formed article having a polygonal tube shape is produced by performing polygonal tube deep drawing on a blank made of a steel sheet, the formed article including a bottom surface part having a polygonal shape, a side wall including a straight side part continuous with a side of the bottom surface...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	Nakagawa, Kinya, Shinmiya, Toyohisa
Format:	Patent
Sprache:	eng
Schlagworte:	MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PUNCHING METAL TRANSPORTING WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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