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AssigneeNippon Steel Corporation
InventorsKatsunari NORITA, Shinnosuke NISHIJIMA
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A processing apparatus capable of manufacturing a metallic member with improved corrosion resistance at its cut edge surface is provided. A processing apparatus (20) includes a punch (21) and a die (22) to be positioned on one side and the other side of a workpiece constituted by a metal sheet (10), the one and the other sides being arranged in the sheet-thickness direction, each of the punch (21) and the die (22) includes an end face (211), (221) and a side face (212), (222), the punch (21) and the die (22) are positioned such that the end face (211) of the punch (21) and the end face (221) of the die (22) do not overlap in plan view, at least one of the side face (212) of the punch (21) and the side face (222) of the die (22) includes an inclined portion (212a) providing a surface inclined to face the metal sheet (10) and shaped to overlap the other one of the punch (21) and the die (22) in plan view, and the surface provided by the inclined portion (212a) and the sheet-thickness direction form an angle θ not smaller than 15°.
A processing apparatus including a punch and a die to be positioned on one side and another side of a workpiece constituted by a metal sheet, the one and the other sides being arranged in a sheet-thickness direction, the processing apparatus adapted to shear the metal sheet by moving at least one of the punch and the die in the sheet-thickness direction such that the punch and the die are located closer to each other,
A metallic member formed from a metal sheet having a plating layer on a surface,
Dependencies are inferred from the claim text.