Title:
MANUFACTURING METHOD FOR TUBULAR MEMBER
Document Type and Number:
WIPO Patent Application WO/2018/139435
Kind Code:
A1
Abstract:
In this manufacturing method for a tubular member, one or a plurality of metal plates are positioned in a condition of having formed a tubular member that extends in a predetermined extension direction. At such time, the one or plurality of metal plates are in a condition in which a plurality of edge sections thereof extend along the extension direction. The tubular member is produced by joining, via welding, the plurality of edge sections of the one or plurality of metal plates that were positioned in a condition of having formed the tubular member. A section of the tubular member is then pressed, said section including the welded plurality of edge sections of the tubular member.
Inventors:
MANABE TAKAHIRO (JP)
Application Number:
PCT/JP2018/001913
Publication Date:
August 02, 2018
Filing Date:
January 23, 2018
Export Citation:
Assignee:
FUTABA IND CO LTD (JP)
International Classes:
B21D51/10; B21D51/18; B23K9/025; B23K31/00
Foreign References:
| JP2005288471A | 2005-10-20 | |||
| JPS5319943A | 1978-02-23 | |||
| JPS4833139B1 | 1973-10-12 |
Attorney, Agent or Firm:
NAGOYA INTERNATIONAL PATENT FIRM (JP)
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