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:
Jan. 01, 2019

Filed:

Apr. 01, 2014
Applicants:

Yukitaka Kunimoto, Hamamatsu, JP;

Satoshi Shionoya, Okazaki, JP;

Takashi Yamamoto, Toyota, JP;

Inventors:

Yukitaka Kunimoto, Hamamatsu, JP;

Satoshi Shionoya, Okazaki, JP;

Takashi Yamamoto, Toyota, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B21B 23/00 (2006.01); B21D 22/16 (2006.01);
U.S. Cl.
CPC ...
B21B 23/00 (2013.01); B21D 22/16 (2013.01);
Abstract

A spinning method includes supporting a supported portion of a cylindrical work by a work supporting portion. The method includes pressing a roller of a spinning head against an outer peripheral surface of a processed portion of the work while revolving the roller. The method also includes performing a forming process that points a tube axis of the processed portion of the work in a given direction by moving the processed portion relative to the work supporting portion or moving the work supporting portion relative to the processed portion, while making a core bar inserted into the processed portion of the work contact an inner peripheral surface of the processed portion.


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