Title:
MANUFACTURING METHOD AND ACCUMULATOR EXTERIOR BODY
Document Type and Number:
WIPO Patent Application WO/2023/136223
Kind Code:
A1
Abstract:
A manufacturing method according to the present invention for manufacturing an accumulator exterior body formed from a bottom, a shell, and a port comprises press-fitting the bottom into the shell and melting and solidifying a region that includes a part of a connection portion formed by the press fitting. With this manufacturing method, it is possible to obtain the accumulator exterior body in which disconnection of the connection portion during transport and a decrease in fatigue strength of the exterior body after joining can be suppressed.
Inventors:
NAKANO NAOHITO (JP)
OHTA DAIJIRO (JP)
TSUJINO AKIRA (JP)
KUROKAWA TOMOYA (JP)
OHTA DAIJIRO (JP)
TSUJINO AKIRA (JP)
KUROKAWA TOMOYA (JP)
Application Number:
PCT/JP2023/000222
Publication Date:
July 20, 2023
Filing Date:
January 06, 2023
Export Citation:
Assignee:
NHK SPRING CO LTD (JP)
International Classes:
F15B1/16; B23K9/00
Foreign References:
| JPH0564502U | 1993-08-27 | |||
| JP2002039102A | 2002-02-06 | |||
| JP2000170703A | 2000-06-20 |
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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