Title:
METHOD FOR MANUFACTURING AND METHOD FOR JOINING HOLLOW STRUCTURE
Document Type and Number:
WIPO Patent Application WO/2017/081973
Kind Code:
A1
Abstract:
A method for manufacturing a hollow structure (1) made of metal and provided with a plurality of hollow parts (M, M) rectangular in cross section, the method characterized by including a preparation step for molding a plurality of plate-shaped members (21)-(27) constituting part of the hollow parts (M), and molding, by extrusion molding, a plurality of connecting members (11)-(16) constituting part of corners of the hollow parts (M) and connecting at least two of the plate-shaped members (21)-(27); an abutting step for butting together the plate-shaped members (21)-(27) and the connecting members (11)-(16) so that the hollow parts (M) rectangular in cross section are formed, and forming a plurality of abutting parts; and a friction stirring step for friction-stir-joining the abutting parts using a bobbin tool.
Inventors:
HORI HISASHI (JP)
SEO NOBUSHIRO (JP)
SEO NOBUSHIRO (JP)
Application Number:
PCT/JP2016/080169
Publication Date:
May 18, 2017
Filing Date:
October 12, 2016
Export Citation:
Assignee:
NIPPON LIGHT METAL CO (JP)
International Classes:
B23K20/12
Foreign References:
| JP2004141946A | 2004-05-20 | |||
| JP2009148811A | 2009-07-09 | |||
| JP2008302421A | 2008-12-18 | |||
| JP2010149849A | 2010-07-08 |
Attorney, Agent or Firm:
ISONO INTERNATIONAL PATENT OFFICE, P.C. (JP)
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