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.:
Date of Patent:
Dec. 20, 2022
Filed:
Sep. 21, 2020
Applicants:
Ngk Insulators, Ltd., Nagoya, JP;
Hiromi Miura, Toyohashi, JP;
Inventors:
Assignees:
NGK Insulators, Ltd., Nagoya, JP;
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21J 9/02 (2006.01); B21J 13/02 (2006.01);
U.S. Cl.
CPC ...
B21J 9/02 (2013.01); B21J 13/02 (2013.01);
Abstract
A forging tool used to forge a workpiece in a cuboidal forging space, wherein (a): the forging space is formed when the bottom surface of the first die and the bottom surface of the second die are brought into contact with the contact surface of the third die, or (b): the forging space is formed when a first die contact surface provided in the first die and a second die contact surface provided in the second die are brought into contact with each other.