Title:
重ね接合構造、及び自動車骨格部品
Document Type and Number:
Japanese Patent JP7389315
Kind Code:
B2
Abstract:
To provide a stacked-joint structure capable of suppressing breakage of a plate member starting from a hole formed in a non-fused joint of the plate member, thereby increasing the elongation (strain amount) until the plate member breaks.SOLUTION: A stacked-joint structure according to one aspect of the present invention includes: a plurality of stacked plate members; and a plurality of joints arranged in a stacked portion of the plurality of stacked members, the joints being formed by mechanical joining means or friction-agitation point joining means. The plurality of joints have holes through which the mechanical joining means is inserted or holes formed by the friction-agitation point joining. One or more of the plurality of plate members have hard portions around the holes.SELECTED DRAWING: Figure 1
Inventors:
Hiroki Fujimoto
Yujiro Tatsumi
Yujiro Tatsumi
Application Number:
JP2019060342A
Publication Date:
November 30, 2023
Filing Date:
March 27, 2019
Export Citation:
Assignee:
Nippon Steel Corporation
International Classes:
F16B5/04; B21J15/00; B23K20/12; B62D25/04; B62D27/02; F16B5/08; F16B11/00
Domestic Patent References:
| JP10251743A | ||||
| JP2011195109A | ||||
| JP53037878U |
Foreign References:
| WO2015119159A1 |
Attorney, Agent or Firm:
Yasushi Matsunuma
Onami Kazunori
Tomoo Katsumata
Hiroshi Yamaguchi
Koichiro Hotta
Kengo Yamaguchi
Yasuhiro Iida
Shota Iguchi
Onami Kazunori
Tomoo Katsumata
Hiroshi Yamaguchi
Koichiro Hotta
Kengo Yamaguchi
Yasuhiro Iida
Shota Iguchi