Title:
METHOD FOR MANUFACTURING LIQUID COOLING JACKET
Document Type and Number:
WIPO Patent Application WO/2019/150620
Kind Code:
A1
Abstract:
The present invention is characterized in that: a main joining rotary tool (F) is provided with a base end-side pin (F2) and a tip-side pin (F3); the taper angle of the base end-side pin (F2) is larger than the taper angle of the tip-side pin (F3); a stair-like pin stepped part is formed on the outer circumferential surface of the base end-side pin (F2); the tip-side pin (F3) is provided with a flat surface (F4), which is perpendicular to the rotation axis of the main joining rotary tool (F), and a protruding part (F5), which protrudes from the flat surface (F4); and in a first main joining step and a second main joining step, friction stirring is performed in a state in which the flat surface (F4) of the tip-side pin (F3) and the base end-side pin (F2) are brought into contact with a jacket main body (2) and a seal body (3), and a tip surface (F6) of the protruding part (F5) is brought into contact with only the jacket main body (2).
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Inventors:
HORI HISASHI (JP)
SEO NOBUSHIRO (JP)
YAMANAKA KOSUKE (JP)
SEO NOBUSHIRO (JP)
YAMANAKA KOSUKE (JP)
Application Number:
PCT/JP2018/030412
Publication Date:
August 08, 2019
Filing Date:
August 16, 2018
Export Citation:
Assignee:
NIPPON LIGHT METAL CO (JP)
International Classes:
B23K20/12
Domestic Patent References:
| WO2007119343A1 | 2007-10-25 |
Foreign References:
| JP2016087649A | 2016-05-23 | |||
| JP2016215264A | 2016-12-22 | |||
| JP2006212651A | 2006-08-17 | |||
| JP2007160370A | 2007-06-28 |
Attorney, Agent or Firm:
ISONO INTERNATIONAL PATENT OFFICE, P.C. (JP)
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