Device for molding and method for molding metal plate

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United States of America Patent

PATENT NO 9630229
SERIAL NO

14443568

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A protruding portion is formed in a metal plate material by use of a plurality of molding tools each of which has a die and a punch. In a first step, an initial protruding portion is formed in the metal plate material by use of a first molding tool. In this step, a top of the initial protruding portion is formed to be thinner than other parts. In a second step, a sidewall of the initial protruding portion is rolled out by use of a second molding tool, and the protruding portion is formed.

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Patent Owner(s)

  • TOYOTA BOSHOKU KABUSHIKI KAISHA

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hirata, Kazuyuki Toyota, JP 60 251
Sahara, Hidekazu Toyota, JP 1 10
Watanabe, Takuma Anjo, JP 31 363

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