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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 9586256 B1

PDFFull Text
Expired
Date of Patent:
Mar. 07, 2017

Filed:

Sep. 02, 2014

Forging method and forging die

Applicant:

Ngk Insulators, Ltd., Nagoya-Shi, JP;

Inventors:

Hiromi Miura, Chofu, JP;

Naokuni Muramatsu, Nagoya, JP;

Assignees:

NGK Insulators, Ltd., Nagoya, JP;

The University of Electro-Communications, Chofu-Shi, JP;

Attorney:

Burr & Brown, PLLC

Primary Examiner:

Teresa M Ekiert

Int. Cl.
CPC ...
B21J 5/02 (2006.01); B21J 13/02 (2006.01); B21J 13/14 (2006.01); C22C 9/00 (2006.01); C22C 9/06 (2006.01); C22C 38/00 (2006.01); C22C 38/18 (2006.01); C22F 1/08 (2006.01); C22C 21/10 (2006.01); C22C 23/02 (2006.01); B21J 1/00 (2006.01);
U.S. Cl.
CPC ...
B21J 5/02 (2013.01); B21J 1/006 (2013.01); B21J 5/025 (2013.01); B21J 13/02 (2013.01); B21J 13/14 (2013.01); C22C 9/00 (2013.01); C22C 9/06 (2013.01); C22C 21/10 (2013.01); C22C 23/02 (2013.01); C22C 38/00 (2013.01); C22C 38/18 (2013.01); C22F 1/08 (2013.01);
Abstract

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.

Find Patent Forward Citations

Miura, Hiromi. (2017). Forging method and forging die (U.S. Patent No. 9586256). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9586256

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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