Title:
METHOD FOR MANUFACTURING LIQUID-COOLED JACKET
Document Type and Number:
WIPO Patent Application WO/2018/193639
Kind Code:
A1
Abstract:
The present invention is characterized in that a jacket main body (2) is formed by a first aluminum alloy, a seal body (3) is formed by a second aluminum alloy, the first aluminum alloy is a kind of material having higher hardness than the second aluminum alloy, and the present invention includes: a preparation step for forming a level difference part (12) having a level-difference bottom surface (12) on a peripheral wall part (11) and an obliquely rising level-difference side surface (12b); a mounting step for mounting the seal body (3) on the jacket main body (2) and forming a first butt weld part (J2), and superposing the level-difference bottom surface (12a) and a back surface (3b) of the seal body (3) and forming a second butt weld part (J2); and a main joining step for performing friction stir welding in a state in which only a stirring pin (F2) of a rotating rotary tool (F) is brought into contact only with the seal body (3).
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Inventors:
HORI HISASHI (JP)
SEO NOBUSHIRO (JP)
SEO NOBUSHIRO (JP)
Application Number:
PCT/JP2017/021852
Publication Date:
October 25, 2018
Filing Date:
June 13, 2017
Export Citation:
Assignee:
NIPPON LIGHT METAL CO (JP)
International Classes:
B23K20/12
Domestic Patent References:
| WO2016132768A1 | 2016-08-25 |
Foreign References:
| JP2010245085A | 2010-10-28 | |||
| JP2010279958A | 2010-12-16 | |||
| JP2010036230A | 2010-02-18 | |||
| JP2003225779A | 2003-08-12 |
Attorney, Agent or Firm:
ISONO INTERNATIONAL PATENT OFFICE, P.C. (JP)
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