Title:
ELEMENT JOINT AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2020/137387
Kind Code:
A1
Abstract:
An element joint 10 having, joined to each other, a long pipe 11, a short pipe 12 formed of a material having a strength greater than or equal to that of the long pipe 11, and a plate material 13 formed of a material having a strength greater than or equal to that of the short pipe 12. In the element joint 10 at least one member, that is, the long pipe 11 or the short pipe 12, has a tubular section, and one tubular section is expanded and is joined by swaging to the other member. The short pipe 12 and the plate material 13 are welded to each other.
Inventors:
MAEDA YASUHIRO
HASHIMURA TORU
YAMAKAWA TAIKI
HASHIMURA TORU
YAMAKAWA TAIKI
Application Number:
PCT/JP2019/047352
Publication Date:
July 02, 2020
Filing Date:
December 04, 2019
Export Citation:
Assignee:
KOBE STEEL LTD (JP)
International Classes:
B21D39/04; B21D39/06; B21D39/20; B60R19/24
Foreign References:
| JP2005152920A | 2005-06-16 | |||
| JP2016147309A | 2016-08-18 | |||
| JP2009190065A | 2009-08-27 | |||
| JPS51133170A | 1976-11-18 | |||
| JPH09192760A | 1997-07-29 | |||
| JPS51133170A | 1976-11-18 | |||
| JPH09192760A | 1997-07-29 |
Other References:
See also references of EP 3903956A4
Attorney, Agent or Firm:
YAMAO, Norihito et al. (JP)
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