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.

Date of Patent:
Jul. 27, 2021

Filed:

Apr. 27, 2018
Applicant:

Honda Motor Co., Ltd., Tokyo, JP;

Inventor:

Toru Yagasaki, Wako, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21D 35/00 (2006.01); B21D 28/14 (2006.01); B21D 53/14 (2006.01); F16H 9/12 (2006.01);
U.S. Cl.
CPC ...
B21D 35/001 (2013.01); B21D 28/14 (2013.01); B21D 53/14 (2013.01); F16H 9/12 (2013.01);
Abstract

A method for manufacturing a metal element includes performing press processing and punching processing on a band plate-shaped metal element material having a constant cross section by a mold with a main punch in contact with a rear surface of the metal element and a counter punch in contact with the front surface thereof. The main punch or the counter punch has protrusion portions which are in contact with at least a part of the ear portion or the body portion to form a recessed portion, and a bulging portion bulging in the longitudinal direction from the radial direction inner edge of ear portions of the metal element or the radial direction outer edge of a body portion thereof, which is formed by the material extruded from the recessed portion by the protrusion portion.


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