Forging method and forging die

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United States of America Patent

PATENT NO 9586256
APP PUB NO 20140366604A1
SERIAL NO

14474645

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Abstract

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A forging method according to the present invention includes the steps of placing a work having a first shape which is a rectangular hexahedron in a work space of a forging die which has a rectangular opening, which is formed by rectangular plane wall portions, and which is provided with the work space to hold the work in a placement step and applying a plastic strain to the work by deforming the placed work into a second shape which is a rectangular hexahedron in a working step, with the placement step and the working step being performed at least two times.

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Patent Owner(s)

  • NGK INSULATORS, LTD.;THE UNIVERSITY OF ELECTRO-COMMUNICATIONS

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Miura, Hiromi Chofu, JP 10 35
Muramatsu, Naokuni Nagoya, JP 42 202

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