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:
Oct. 17, 2023

Filed:

Mar. 12, 2020
Applicant:

Nhk Spring Co., Ltd., Yokohama, JP;

Inventors:

Hiroshi Mizukami, Yokohama, JP;

Masato Inaba, Yokohama, JP;

Masato Sugawara, Yokohama, JP;

Michiya Masuda, Yokohama, JP;

Assignee:

NHK SPRING CO., LTD., Yokohama, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21K 1/06 (2006.01); B60G 21/02 (2006.01);
U.S. Cl.
CPC ...
B21K 1/06 (2013.01); B60G 21/026 (2013.01);
Abstract

A method for manufacturing a stabilizer, the stabilizer including a main body bar that is elastically deformable, and a pair of connecting plates that are separately connected to a pair of left and right suspension devices, the method including a forging step of forming the connecting plate by forging both end portions of a material tube, in which in the forging step, both end portions of the material tube are crushed in a radial direction to be formed into the connecting plate in a state where a sealing metal plate heated to a temperature equal to or higher than a melting point is disposed inside both end portions of the material tube heated to a temperature lower than the melting point.


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