MANUFACTURING METHOD AND EXTERIOR BODY OF ACCUMULATOR

Title:

MANUFACTURING METHOD AND EXTERIOR BODY OF ACCUMULATOR

Document Type and Number:

Japanese Patent JP2023103129

Kind Code:

A

Abstract:

To provide a manufacturing method and an exterior body of an accumulator, capable of suppressing disconnection of a connection portion during transportation, and deterioration of fatigue strength of the exterior body after connection.SOLUTION: A manufacturing method is a manufacturing method for manufacturing an exterior body of an accumulator 1 comprising a bottom 11, a shell 12 and a port 13, and comprises press-fitting the bottom into the shell, and melting and solidifying a region including a part of the press-fitted connection portions C1, C2.SELECTED DRAWING: Figure 1

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Inventors:

NAKANO NAOHITO
OTA DAIJIRO
TSUJINO AKIRA
KUROKAWA TOMOYA

Application Number:

JP2022004005A

Publication Date:

July 26, 2023

Filing Date:

January 13, 2022

Export Citation:

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Assignee:

NHK SPRING CO LTD

International Classes:

F15B1/16; B23K9/00

Attorney, Agent or Firm:

Sakai International Patent Office

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