Formed material manufacturing method and formed material

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United States of America Patent

PATENT NO 9669440
APP PUB NO 20160207085A1
SERIAL NO

14769669

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Abstract

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A formed material is manufactured by performing forming including at least one drawing-out process and at least one drawing process performed after the drawing-out process. A punch 31 used in the drawing-out process is formed to be wider on a rear end side than on a tip end side. By pushing a raw material metal plate into a pushing hole 30a together with the punch 31, ironing is performed on a region of the raw material metal plate corresponding to a flange portion.

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Patent Owner(s)

Patent OwnerAddress
NISSHIN STEEL CO LTDCHIYODA-KU TOKYO 100-8366

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kurobe, Jun Osaka, JP 12 23
Nakamura, Naofumi Osaka, JP 71 726
Yamamoto, Yudai Osaka, JP 21 40

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