Title:
DISSIMILAR METAL JOINED BODY, AND METHOD FOR JOINING DISSIMILAR METAL JOINED BODY
Document Type and Number:
WIPO Patent Application WO/2023/218796
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing a dissimilar metal joined body, and a method for joining a dissimilar metal joined body, having excellent joint strength, productivity and versatility. This dissimilar metal joined body, obtained by joining together three or more members including at least a first member, a second member, and a third member, is characterized in that: at least the first member and the second member are metal members comprising one mutually different type of metal each, selected from two or more types of metals; an annular rib of the first member is located in a rib insertion hole formed in one surface of the third member, and the second member is located in a columnar member insertion hole formed in another surface of the third member; the second member has a barrel shape in a cross section including a central axis of the annular rib; the annular rib is formed in a shape that bulges outward to follow an outer shape of the barrel shape of the second member; and the rib insertion hole of the third member is formed in a shape that bulges outward to follow the bulging shape of the annular rib.
Inventors:
FUJII KAZUMASA (JP)
MATSUURA SHU (JP)
KOBAYASHI AKIO (JP)
MATSUURA SHU (JP)
KOBAYASHI AKIO (JP)
Application Number:
PCT/JP2023/013761
Publication Date:
November 16, 2023
Filing Date:
April 03, 2023
Export Citation:
Assignee:
KAGA INC (JP)
International Classes:
B21D39/03; B21D35/00; B23K20/10; B23K20/12; H01L23/36
Foreign References:
| CN206293484U | 2017-06-30 | |||
| JPS4010692B1 | ||||
| JP2001321857A | 2001-11-20 | |||
| JP2005056649A | 2005-03-03 | |||
| JP2020082182A | 2020-06-04 |
Attorney, Agent or Firm:
EICHI PATENT & TRADEMARK CORP. (JP)
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