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Patent Searching and Data


Title:
LIQUID COOLING JACKET MANUFACTURING METHOD
Document Type and Number:
WIPO Patent Application WO/2019/038969
Kind Code:
A1
Abstract:
The present invention is characterized by including: a preparation step in which a level difference section having a level difference bottom surface (115a) and a level difference side surface (115b) that rises up at a slant is formed at an inner peripheral edge of a peripheral wall section (111); a mounting step in which a sealing body (103) is mounted to a jacket main body (102), the level difference side surface (115b) and a side surface the sealing body (103) are butted together to form a first butt section (J11), and the level difference bottom surface (115a) and a back surface of the sealing body (103) are overlapped to form a second butt section (J12); and a main welding step in which friction stir welding is performed by causing a rotating tool (F) that rotates to travel one round along the first butt section (J11), in a condition in which only a stirring pin (F2) of the rotating tool (F) is in contact with only the sealing body (103).

Inventors:
HORI HISASHI (JP)
SEO NOBUSHIRO (JP)
Application Number:
PCT/JP2018/010228
Publication Date:
February 28, 2019
Filing Date:
March 15, 2018
Export Citation:
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Assignee:
NIPPON LIGHT METAL CO (JP)
International Classes:
B23K20/12
Foreign References:
JP2009202212A2009-09-10
JP2010036230A2010-02-18
JP2002066766A2002-03-05
JP2007083242A2007-04-05
Attorney, Agent or Firm:
ISONO INTERNATIONAL PATENT OFFICE, P.C. (JP)
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