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:
May. 05, 2020

Filed:

Jul. 17, 2018
Applicant:

Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi-ken, JP;

Inventor:

Masahito Yabuoshi, Chiryu, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21D 26/14 (2006.01); B21D 39/04 (2006.01);
U.S. Cl.
CPC ...
B21D 26/14 (2013.01); B21D 39/04 (2013.01); Y10T 29/4994 (2015.01); Y10T 29/49803 (2015.01); Y10T 29/49911 (2015.01);
Abstract

A plurality of additional fixture members placed outside a pipe member at a plurality of positions of the pipe member, where the plurality of fixture members are fixed, and a plurality of electromagnetic coils placed inside the pipe member at the plurality of positions of the fixed pipe member. In this state, a pulse current is applied to the plurality of electromagnetic coils located at a first joint, where the fixture member is joined to the outside of the portion where first and second pipe elements of the pipe member are fitted to each other, is swaged and fixed to the pipe member before an fixture member located at a second joint, wherein fixture member is joined to at least one of the first and second pipe elements at a different position, so the plurality of fixture members are swaged and fixed to the pipe member by electromagnetic forming.


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