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Title:
HOLLOW STRUCTURE
Document Type and Number:
WIPO Patent Application WO/2019/004035
Kind Code:
A1
Abstract:
A hollow structure, wherein: the hollow structure includes a body part having an inner peripheral surface, and a flange part having a first projecting part and a second projecting part that project toward the outer periphery of the body part and are disposed so as to face each other; a first surface of the first projecting part and a second surface of the second projecting part are connected to the inner peripheral surface; the flange part has a joining part by which the first surface and the second surface are joined; the body part and the flange part are configured from a metal material having a light metal as a main component; and the relationship 1/5 < A/W1 is satisfied, where W1 is the width of the flange part and A is the width of the joining part.

Inventors:
HIRO EISUKE (JP)
NUMANO MASATADA (JP)
OKUMURA SOICHIRO (JP)
Application Number:
PCT/JP2018/023558
Publication Date:
January 03, 2019
Filing Date:
June 21, 2018
Export Citation:
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Assignee:
SUMITOMO ELECTRIC INDUSTRIES (JP)
International Classes:
B23K20/12; B62D25/08
Foreign References:
JP2001018076A2001-01-23
JP2007289988A2007-11-08
JP2007326126A2007-12-20
JP2008161911A2008-07-17
Attorney, Agent or Firm:
NAKATA Motomi et al. (JP)
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