Method for bending sheet metal and product of sheet metal

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United States of America Patent

PATENT NO 9539630
APP PUB NO 20130333190A1
SERIAL NO

14002305

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Abstract

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A method for bending a sheet metal comprises: a hardness adjustment process wherein a blank (10), including a high-hardness region (11) and a low-hardness region (12) having a lower hardness than the high hardness region (11), is formed by changing the hardness of at least a part of a sheet metal; and a bending process wherein a product (20) is formed by bending low-hardness region (12) of blank (10).

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Patent Owner(s)

Patent OwnerAddress
NIPPON STEEL CORPORATIONTOKYO 100-8071

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Mizumura, Masaaki Tokyo, JP 28 183
Sato, Koichi Tokyo, JP 567 7614
Shirakami, Satoshi Tokyo, JP 19 51

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