Bending method

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United States of America Patent

PATENT NO 11707774
SERIAL NO

17342797

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Importance

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Abstract

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A workpiece material is fed between rollers to bend the workpiece material while rolling, wherein the workpiece has a first thickness portion and a second thickness portion connected to each other with a setting angle of 90 degrees. The first thickness portion increases from an inner side toward an outer side, and a thickness on an outer peripheral side of the first thickness portion is M, and a thickness of a cross section of the second thickness portion is N. The workpiece material is rolled in such that at a completion of bending, a thickness of a cross section of a first thickness portion is m, an outer radius of the first thickness portion is R, an inner radius of the first thickness portion is r, and a thickness of a cross section of a second thickness portion is n, and M equals to m(R/r), and N equals to n(R/r).

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Patent Owner(s)

Patent OwnerAddress
MITSUBISHI HEAVY INDUSTRIES LTDTOKYO 100-8332

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Matsui, Hiroaki Toyama, JP 58 335
Shinmura, Jin Toyama, JP 11 36
Tachibana, Takahiro Tokyo, JP 17 4
Yoshida, Arata Toyama, JP 10 57

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