Title:
METHOD FOR MANUFACTURING LIQUID-COOLED JACKET
Document Type and Number:
WIPO Patent Application WO/2019/082435
Kind Code:
A1
Abstract:
The present invention is characterized by including: a preparation step for forming a circumferential-wall level-difference part (12) having, on an inner circumferential edge of a circumferential wall part (11), a level-difference bottom surface (12a) and a level-difference side surface (12b) obliquely rising so as to spread outward progressively toward an opening; a loading step for loading a sealing body (3) on a jacket main body (2); a first joining step for bringing a rotary tool around along a first butted part (J1) and performing friction stirring in a state in which only a rotating stirring pin is inserted in the sealing body (3) and only the stirring pin is brought into contact with only the sealing part (3); and a second joining step for performing friction stirring on a third butted part (J3) in a state in which only the rotating stirring pin is inserted in the sealing part (3) and the stirring pin is brought into contact with the sealing body (3).
Inventors:
HORI HISASHI (JP)
SEO NOBUSHIRO (JP)
SEO NOBUSHIRO (JP)
Application Number:
PCT/JP2018/023405
Publication Date:
May 02, 2019
Filing Date:
June 20, 2018
Export Citation:
Assignee:
NIPPON LIGHT METAL CO (JP)
International Classes:
B23K20/12; B23K101/14
Domestic Patent References:
| WO2017033849A1 | 2017-03-02 | |||
| WO2016132768A1 | 2016-08-25 |
Foreign References:
| JP2003039183A | 2003-02-12 | |||
| JP2007283379A | 2007-11-01 | |||
| JPH10328855A | 1998-12-15 | |||
| JP2010201484A | 2010-09-16 | |||
| JP2003225779A | 2003-08-12 | |||
| JP2017042817A | 2017-03-02 |
Attorney, Agent or Firm:
ISONO INTERNATIONAL PATENT OFFICE, P.C. (JP)
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