FORMING METHOD

To improve heating efficiency of an end face of an open punching end.SOLUTION: A forming method includes: a punching step of punching a steel plate, and thereby forming an open punching end where a part of an end face of the steel plate is opened; and a heating step of arranging a heating coil in a...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	IHARA TOMOAKI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	CHEMISTRY ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS PERFORMING OPERATIONS PUNCHING METAL TRANSPORTING WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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